re: Original circa 1990 aftermarket air conditioning system ... upgradeable?

1
Gday ALL,

Many syncros, in particular Trakka campers, had an aftermarket a/c
system made by Prestige Auto Air in Sydney or else some other a/c
business. My observations conclude that most if not all of these old
systems no longer work satisfactorily, some people even resort to a
re-gas just prior to their annual trip, hoping it lasts the distance.

Has anyone had real success simply upgrading key components of the
original a/c system such, that it now works well and no longer leaks
refrigerant?

By that I mean for example, replacing the compressor, receiver/drier,
perhaps the thermostat, pressure switch, T.X. valve, gas seals etc.
Also, possibly replaced the front condenser (in front of radiator)
and/or the evaporator (mounted in/on dash in front of passenger seat.

If anyone can say it has been done successfully, did it also include
replacing the 2 large rubber refrigerant hoses that link the
compressor on the motor and the receiver drier behind the front
passenger side headlight? Perhaps they were replaced with metal lines.

I'm interested at this early stage to at least try and find out if it
is feasible in terms of being practical and economical. I've spoken
to an accredited installer today and he didn't paint a rosy picture.

Failing all else, I may remove the a/c components to lighten the load.

Any helpful feedback would be much appreciated. TIA.

Cheers.

Ken
2
RE: [Syncro_T3_Australia] re: Original circa 1990 aftermarket air conditioning system ... upgradeable?

Hi Ken,

My air con, like your hot air (lol), does not work well. I understand Autofrost at Milpara might have some info if you haven't spoken to them - I've been meaning to drop back in there. They make a couple of custom systems for T3s but their quite expensive - see this link for a pic of one of their T3 systems http://www.autofrost.com.au/products.php


-----Original Message-----
From: Syncro_T3_Australia@yahoogroups.com on behalf of Ken
Sent: Thu 11/20/2008 5:35 PM
To: Syncro_T3_Australia@yahoogroups.com
Subject: [Syncro_T3_Australia] re: Original circa 1990 aftermarket air conditioning system  ... upgradeable?

Gday ALL,

Many syncros, in particular Trakka campers, had an aftermarket a/c
system made by Prestige Auto Air in Sydney or else some other a/c
business. My observations conclude that most if not all of these old
systems no longer work satisfactorily, some people even resort to a
re-gas just prior to their annual trip, hoping it lasts the distance.

Has anyone had real success simply upgrading key components of the
original a/c system such, that it now works well and no longer leaks
refrigerant?

By that I mean for example, replacing the compressor, receiver/drier,
perhaps the thermostat, pressure switch, T.X. valve, gas seals etc.
Also, possibly replaced the front condenser (in front of radiator)
and/or the evaporator (mounted in/on dash in front of passenger seat.

If anyone can say it has been done successfully, did it also include
replacing the 2 large rubber refrigerant hoses that link the
compressor on the motor and the receiver drier behind the front
passenger side headlight? Perhaps they were replaced with metal lines.

I'm interested at this early stage to at least try and find out if it
is feasible in terms of being practical and economical. I've spoken
to an accredited installer today and he didn't paint a rosy picture.

Failing all else, I may remove the a/c components to lighten the load.

Any helpful feedback would be much appreciated. TIA.

Cheers.

Ken

3
Hello Ken,
 
By "...upgrading key components..." do you mean of the Prestige Auto Air system of the VW Factory AC system? I am not familiar
with the AC systems available in your market but the concepts are fairly similar. I feel the AC can cool you more effectively if the air
blew straight at your face vs. all the way in the rear as commonly found in late model VW T3 AC systems. That is certainly the case
in the US where factory air is relatively common. Many folks have resorted to adding ductwork to move the chilled air forward. Others
have found that plugging all the leaks from the ductwork helped in that regard as well. Typically, some spray on insulation is used to
block off gaps in the system.
 
Those truly enterprising have added a second evaporator/blower and/or a second condenser. The easiest and least expensive way to
add a second evap.blower is the use of the aftermarket AC made by Behr for VW and copied by DPD in the US. Both of those systems
will occupy the space where the glove box is in the LHD version. I'm not sure if Behr made one for RHD vans. The main vent for these
fellows is via the DIN radio hole. That means radio has to be relocated to an inconvenient spot just in front of the shifter. When working,
these AC's used in conjunction (or alone) with the stock VW rear AC (also made by Behr) can made it quite comfortable even in Death
Valley, California. DV is probably similar to some places in OZ. I was passing through there last summer and ran into an attendant at
the fuel stop. He said, "Thank, God it's cooled down. It's only 118°F That's nearly 10°F cooler than yesterday." Anyway, there is also an
overhead AC system which goes over the front of the cab. Even that by itself is better than the rear AC systems. Downside is it can intrude into headroom. 
 
Others have gone to installing contemporary AC systems such as those commonly used by hotrod builders in the US. Brand names such as Vintage Air and Southern Air come to mind. Those are more likely easier to adapt to a RHD configuration. They do not look original but who cares if it can keep you cool? My friend showed off his new system to me last year. It was some 20°F cooler inside
even with the engine at idle speed. He also added a second condenser with cooling fan under his Syncro. Downside is cost. It was
somewhere in the $1600-$2000 range.
 
 
Cheers,
BenT
 
ps: R12 is not environmentally friendly but it sure cools better than the CFC-free refrigerants..

On Wed, Nov 19, 2008 at 10:35 PM, Ken <unclekenz@yahoo.com> wrote:
Gday ALL,

Many syncros, in particular Trakka campers, had an aftermarket a/c
system made by Prestige Auto Air in Sydney or else some other a/c
business. My observations conclude that most if not all of these old
systems no longer work satisfactorily, some people even resort to a
re-gas just prior to their annual trip, hoping it lasts the distance.

Has anyone had real success simply upgrading key components of the
original a/c system such, that it now works well and no longer leaks
refrigerant?

By that I mean for example, replacing the compressor, receiver/drier,
perhaps the thermostat, pressure switch, T.X. valve, gas seals etc.
Also, possibly replaced the front condenser (in front of radiator)
and/or the evaporator (mounted in/on dash in front of passenger seat.

If anyone can say it has been done successfully, did it also include
replacing the 2 large rubber refrigerant hoses that link the
compressor on the motor and the receiver drier behind the front
passenger side headlight? Perhaps they were replaced with metal lines.

I'm interested at this early stage to at least try and find out if it
is feasible in terms of being practical and economical. I've spoken
to an accredited installer today and he didn't paint a rosy picture.

Failing all else, I may remove the a/c components to lighten the load.

Any helpful feedback would be much appreciated. TIA.

Cheers.

Ken
 
 
4
Ken,
 
I have a Prestige fitted to mine.  I don't have any answers to your questions but I did discover something nasty.  After I bought it, I was inspecting it generally and noticed that the compressor belt was very misaligned to the crankshaft pulley.  I removed the belt and put a straightedge on the crankshaft pulley - the compressor was way out.
 
Now curious, I looked at the mounting bracket.  It is mild steel plate and a structure of heroic proportions.  There is a threaded hole in a boss on the LH side of the crankcase and it is used for one of the mounting points.  The side had broken completely out of the boss.  The mass of the compressor bracket is truly lunatic.  Whilst the compressor is hefty, there is no need for the bracket to weigh even more.  I had to remove the compressor and leave it off.
 
If I decide to get the system up, I will either make up a mild steel mounting bracket that is adequate but a tenth the weight of the existing one or make up one from aluminium plate.
 
If anyone has this installation, I would suggest that they inspect the boss on the crankcase and give thought to getting a far lighter mounting bracket.  Even drilling (or oxy cutting) holes in the existing bracket would help.
 
Les
 
 
----- Original Message -----
From: Ken
Sent: Thursday, November 20, 2008 5:35 PM
Subject: [Syncro_T3_Australia] re: Original circa 1990 aftermarket air conditioning system ... upgradeable?

Gday ALL,

Many syncros, in particular Trakka campers, had an aftermarket a/c
system made by Prestige Auto Air in Sydney or else some other a/c
business. My observations conclude that most if not all of these old
systems no longer work satisfactorily, some people even resort to a
re-gas just prior to their annual trip, hoping it lasts the distance.

.

5
Ken,
I cannot see why the system is not repairable.

Phill



> Ken <unclekenz@yahoo.com> wrote:
>
> Gday ALL,
>
> Many syncros, in particular Trakka campers, had an aftermarket a/c
> system made by Prestige Auto Air in Sydney or else some other a/c
> business. My observations conclude that most if not all of these old
> systems no longer work satisfactorily, some people even resort to a
> re-gas just prior to their annual trip, hoping it lasts the distance.
>
> Has anyone had real success simply upgrading key components of the
> original a/c system such, that it now works well and no longer leaks
> refrigerant?
>
> By that I mean for example, replacing the compressor, receiver/drier,
> perhaps the thermostat, pressure switch, T.X. valve, gas seals etc.
> Also, possibly replaced the front condenser (in front of radiator)
> and/or the evaporator (mounted in/on dash in front of passenger seat.
>
> If anyone can say it has been done successfully, did it also include
> replacing the 2 large rubber refrigerant hoses that link the
> compressor on the motor and the receiver drier behind the front
> passenger side headlight? Perhaps they were replaced with metal lines.
>
> I'm interested at this early stage to at least try and find out if it
> is feasible in terms of being practical and economical. I've spoken
> to an accredited installer today and he didn't paint a rosy picture.
>
> Failing all else, I may remove the a/c components to lighten the load.
>
> Any helpful feedback would be much appreciated. TIA.
>
> Cheers.
>
> Ken
6
I remember this was a problem with T3s and some crankcases were replaced because of cracks caused by this poor system. It was a well known problem.

> Ken,
>
> I have a Prestige fitted to mine. I don't have any answers to your
> questions but I did discover something nasty. After I bought it, I was
> inspecting it generally and noticed that the compressor belt was very
> misaligned to the crankshaft pulley. I removed the belt and put a
> straightedge on the crankshaft pulley - the compressor was way out.
>
> Now curious, I looked at the mounting bracket. It is mild steel plate
> and a structure of heroic proportions. There is a threaded hole in a
> boss on the LH side of the crankcase and it is used for one of the
> mounting points. The side had broken completely out of the boss. The
> mass of the compressor bracket is truly lunatic. Whilst the compressor
> is hefty, there is no need for the bracket to weigh even more. I had to
> remove the compressor and leave it off.
>
> If I decide to get the system up, I will either make up a mild steel
> mounting bracket that is adequate but a tenth the weight of the existing
> one or make up one from aluminium plate.
>
> If anyone has this installation, I would suggest that they inspect the
> boss on the crankcase and give thought to getting a far lighter mounting
> bracket. Even drilling (or oxy cutting) holes in the existing bracket
> would help.
>
> Les
>
>
7
Our systems were locally sourced and while the components were OK, the ducting was pathetic and nothing like the VW system.

Phill



> BenT Syncro <syncro@gmail.com> wrote:
>
> Hello Ken,
>
> By "...upgrading key components..." do you mean of the Prestige Auto Air
> system of the VW Factory AC system? I am not familiar
> with the AC systems available in your market but the concepts are fairly
> similar. I feel the AC can cool you more effectively if the air
> blew straight at your face vs. all the way in the rear as commonly found
> in
> late model VW T3 AC systems. That is certainly the case
> in the US where factory air is relatively common. Many folks have
> resorted
> to adding ductwork to move the chilled air forward. Others
> have found that plugging all the leaks from the ductwork helped in that
> regard as well. Typically, some spray on insulation is used to
> block off gaps in the system.
>
> Those truly enterprising have added a second evaporator/blower and/or a
> second condenser. The easiest and least expensive way to
> add a second evap.blower is the use of the aftermarket AC made by Behr
> for
> VW and copied by DPD in the US. Both of those systems
> will occupy the space where the glove box is in the LHD version. I'm not
> sure if Behr made one for RHD vans. The main vent for these
> fellows is via the DIN radio hole. That means radio has to be relocated
> to
> an inconvenient spot just in front of the shifter. When working,
> these AC's used in conjunction (or alone) with the stock VW rear AC
> (also
> made by Behr) can made it quite comfortable even in Death
> Valley, California. DV is probably similar to some places in OZ. I was
> passing through there last summer and ran into an attendant at
> the fuel stop. He said, "Thank, God it's cooled down. It's only 118�F
> That's
> nearly 10�F cooler than yesterday." Anyway, there is also an
> overhead AC system which goes over the front of the cab. Even that by
> itself
> is better than the rear AC systems. Downside is it can intrude
> into headroom.
>
> Others have gone to installing contemporary AC systems such as those
> commonly used by hotrod builders in the US. Brand names such as Vintage
> Air
> and Southern Air come to mind. Those are more likely easier to adapt to
> a
> RHD configuration. They do not look original but who cares if it can
> keep
> you cool? My friend showed off his new system to me last year. It was
> some
> 20�F cooler inside
> even with the engine at idle speed. He also added a second condenser
> with
> cooling fan under his Syncro. Downside is cost. It was
> somewhere in the $1600-$2000 range.
>
>
> Cheers,
> BenT
>
> ps: R12 is not environmentally friendly but it sure cools better than
> the
> CFC-free refrigerants..
>
> On Wed, Nov 19, 2008 at 10:35 PM, Ken <unclekenz@yahoo.com> wrote:
>
> > Gday ALL,
> >
> > Many syncros, in particular Trakka campers, had an aftermarket a/c
> > system made by Prestige Auto Air in Sydney or else some other a/c
> > business. My observations conclude that most if not all of these old
> > systems no longer work satisfactorily, some people even resort to a
> > re-gas just prior to their annual trip, hoping it lasts the distance.
> >
> > Has anyone had real success simply upgrading key components of the
> > original a/c system such, that it now works well and no longer leaks
> > refrigerant?
> >
> > By that I mean for example, replacing the compressor, receiver/drier,
> > perhaps the thermostat, pressure switch, T.X. valve, gas seals etc.
> > Also, possibly replaced the front condenser (in front of radiator)
> > and/or the evaporator (mounted in/on dash in front of passenger seat.
> >
> > If anyone can say it has been done successfully, did it also include
> > replacing the 2 large rubber refrigerant hoses that link the
> > compressor on the motor and the receiver drier behind the front
> > passenger side headlight? Perhaps they were replaced with metal lines.
> >
> > I'm interested at this early stage to at least try and find out if it
> > is feasible in terms of being practical and economical. I've spoken
> > to an accredited installer today and he didn't paint a rosy picture.
> >
> > Failing all else, I may remove the a/c components to lighten the load.
> >
> > Any helpful feedback would be much appreciated. TIA.
> >
> > Cheers.
> >
> > Ken
8

Ken

My syncro has the Prestige Auto Air system and I also found it to be ineffective. At one point when a re-gas was needed

I had the XT valve replaced and this improved the cooling significantly.  Later when I did the Subaru engine conversion the

new engine(2003)  came with a compressor which was retro fitted to the existing system and this combination produced

very crisp cold air – a huge improvement.  I have come to the conclusion that the old compressors are inefficient and the modern

new ones are the answer to an aging ac system that we have.  One of my friends replaced his compressor in a 2L air cooled

VW bus with a smaller modern one and it transformed his ac.

With the T3, the engine compressor bracket would have to be modified and new hose connectors installed to suit the compressor

used.  All other components remain.

 

Yurik

 

 

From: Syncro_T3_Australia@yahoogroups.com [mailto:Syncro_T3_Australia@yahoogroups.com] On Behalf Of Ken
Sent: Thursday, 20 November 2008 3:36 PM
To: Syncro_T3_Australia@yahoogroups.com
Subject: [Syncro_T3_Australia] re: Original circa 1990 aftermarket air conditioning system ... upgradeable?

 

Gday ALL,

Many syncros, in particular Trakka campers, had an aftermarket a/c
system made by Prestige Auto Air in Sydney or else some other a/c
business. My observations conclude that most if not all of these old
systems no longer work satisfactorily, some people even resort to a
re-gas just prior to their annual trip, hoping it lasts the distance.

Has anyone had real success simply upgrading key components of the
original a/c system such, that it now works well and no longer leaks
refrigerant?

By that I mean for example, replacing the compressor, receiver/drier,
perhaps the thermostat, pressure switch, T.X. valve, gas seals etc.
Also, possibly replaced the front condenser (in front of radiator)
and/or the evaporator (mounted in/on dash in front of passenger seat.

If anyone can say it has been done successfully, did it also include
replacing the 2 large rubber refrigerant hoses that link the
compressor on the motor and the receiver drier behind the front
passenger side headlight? Perhaps they were replaced with metal lines.

I'm interested at this early stage to at least try and find out if it
is feasible in terms of being practical and economical. I've spoken
to an accredited installer today and he didn't paint a rosy picture.

Failing all else, I may remove the a/c components to lighten the load.

Any helpful feedback would be much appreciated. TIA.

Cheers.

Ken

9
On Thu, Nov 20, 2008 at 12:04 AM, <plander@optusnet.com.au> wrote:
Our systems were locally sourced and while the components were OK, the ducting was pathetic and nothing like the VW system.

Phill
 
Could Phill or someone else send me pics of the Prestige AC? Call it morbid curiosity. Check out the AC system
I could in T3's made for the Thailand market:
 
 
The Thai vans are RHD, of course. It seems to be that VW did not make too many Caravelles in RHD. The Thai vans are typically
stripped down Transporters which are then fitted with more luxurious interiors locally. As you can see in the photos, the AC vent
system looks very interesting. I quite like the idea of giving each passenger a separate blower overhead. There is not evaporator 
there. Nevertheless, it helps cool the interior much faster than using just the main fan. Note that the front seats are tarted-up stock
Transporter seats. The rears are local items. 
 
 
BenT
10
Gday Murray,

Thanks for the link. I'd be amazed to believe a custom T3 a/c system
would still be available anywhere.

I'll give them a ring and sound them out. Thanks Murray.

Cheers.

Ken


--- In Syncro_T3_Australia@yahoogroups.com, "Murray Lee"
<murray.lee@...> wrote:
>
> Hi Ken,
>
> My air con, like your hot air (lol), does not work well. I understand
Autofrost at Milpara might have some info if you haven't spoken to them
- I've been meaning to drop back in there. They make a couple of custom
systems for T3s but their quite expensive - see this link for a pic of
one of their T3 systems http://www.autofrost.com.au/products.php
>
>
> -----Original Message-----
> From: Syncro_T3_Australia@yahoogroups.com on behalf of Ken
> Sent: Thu 11/20/2008 5:35 PM
> To: Syncro_T3_Australia@yahoogroups.com
> Subject: [Syncro_T3_Australia] re: Original circa 1990 aftermarket air
conditioning system ... upgradeable?
>
> Gday ALL,
>
> Many syncros, in particular Trakka campers, had an aftermarket a/c
> system made by Prestige Auto Air in Sydney or else some other a/c
> business. My observations conclude that most if not all of these old
> systems no longer work satisfactorily, some people even resort to a
> re-gas just prior to their annual trip, hoping it lasts the distance.
>
> Has anyone had real success simply upgrading key components of the
> original a/c system such, that it now works well and no longer leaks
> refrigerant?
>
> By that I mean for example, replacing the compressor, receiver/drier,
> perhaps the thermostat, pressure switch, T.X. valve, gas seals etc.
> Also, possibly replaced the front condenser (in front of radiator)
> and/or the evaporator (mounted in/on dash in front of passenger seat.
>
> If anyone can say it has been done successfully, did it also include
> replacing the 2 large rubber refrigerant hoses that link the
> compressor on the motor and the receiver drier behind the front
> passenger side headlight? Perhaps they were replaced with metal lines.
>
> I'm interested at this early stage to at least try and find out if it
> is feasible in terms of being practical and economical. I've spoken
> to an accredited installer today and he didn't paint a rosy picture.
>
> Failing all else, I may remove the a/c components to lighten the load.
>
> Any helpful feedback would be much appreciated. TIA.
>
> Cheers.
>
> Ken
>
11
Gday BenT,

I think you better get out of America, you've been there way too long
... haha. Come and check out our Oz syncros.

With respect, unlike the average American syncro enthusiast with their
mindboggling array of modifications, enlargements, enhancements,
speeder-upperers, horsepower boosters, suspension modifiers, huge wheels
and tyres, heaters and coolers etc. etc. ad nauseum, generally speaking,
Oz syncro owners believe in the K.I.S.S. principal. So we mostly have
straight syncros, some have camper conversions, other than that, we give
the syncro a wash occasionally if we're feeling sentimental at some weak
moment. Of course we all love them just the same.

So the aftermarket a/c system we are talking about here is ....
rudimentary at best. Suits us really, we're all flat out now swinging a
cat in our syncros let alone worrying about fancy ducted systems all
over the place and add-on extra evaporators etc. etc. So I hope you
understand now where we are coming from.

Most of us simply have an aftermarket single unit evaporator mounted on
the dash in front of the passenger .... full stop. Someone once told me
that to gain the most cooling benefit, hang a plastic shower screen
across the width of the syncro behind the two front seats so as to
contain the cool air in that front space and thats it! Forget trying to
cool the back of the van, that's not where we are sitting! So you can
see, sophistication isn't at all our priority. Getting it to work ...
now that would be useful.

BenT, it's possible there are a few VW factory fitted air conditioning
systems here in Oz, probably only in the more refined model here called
a Caravelle. The rest of us luxuriate with an aftermarket 18 year old
leaky non-cooling a/c system. Works great in winter.

Cheers.

Ken


--- In Syncro_T3_Australia@yahoogroups.com, "BenT Syncro" <syncro@...>
wrote:
>
> Hello Ken,
>
> By "...upgrading key components..." do you mean of the Prestige Auto
Air
> system of the VW Factory AC system? I am not familiar
> with the AC systems available in your market but the concepts are
fairly
> similar. I feel the AC can cool you more effectively if the air
> blew straight at your face vs. all the way in the rear as commonly
found in
> late model VW T3 AC systems. That is certainly the case
> in the US where factory air is relatively common. Many folks have
resorted
> to adding ductwork to move the chilled air forward. Others
> have found that plugging all the leaks from the ductwork helped in
that
> regard as well. Typically, some spray on insulation is used to
> block off gaps in the system.
>
> Those truly enterprising have added a second evaporator/blower and/or
a
> second condenser. The easiest and least expensive way to
> add a second evap.blower is the use of the aftermarket AC made by Behr
for
> VW and copied by DPD in the US. Both of those systems
> will occupy the space where the glove box is in the LHD version. I'm
not
> sure if Behr made one for RHD vans. The main vent for these
> fellows is via the DIN radio hole. That means radio has to be
relocated to
> an inconvenient spot just in front of the shifter. When working,
> these AC's used in conjunction (or alone) with the stock VW rear AC
(also
> made by Behr) can made it quite comfortable even in Death
> Valley, California. DV is probably similar to some places in OZ. I was
> passing through there last summer and ran into an attendant at
> the fuel stop. He said, "Thank, God it's cooled down. It's only
118°F That's
> nearly 10°F cooler than yesterday." Anyway, there is also an
> overhead AC system which goes over the front of the cab. Even that by
itself
> is better than the rear AC systems. Downside is it can intrude
> into headroom.
>
> Others have gone to installing contemporary AC systems such as those
> commonly used by hotrod builders in the US. Brand names such as
Vintage Air
> and Southern Air come to mind. Those are more likely easier to adapt
to a
> RHD configuration. They do not look original but who cares if it can
keep
> you cool? My friend showed off his new system to me last year. It was
some
> 20°F cooler inside
> even with the engine at idle speed. He also added a second condenser
with
> cooling fan under his Syncro. Downside is cost. It was
> somewhere in the $1600-$2000 range.
>
>
> Cheers,
> BenT
>
> ps: R12 is not environmentally friendly but it sure cools better than
the
> CFC-free refrigerants..
>
> On Wed, Nov 19, 2008 at 10:35 PM, Ken unclekenz@... wrote:
>
> > Gday ALL,
> >
> > Many syncros, in particular Trakka campers, had an aftermarket a/c
> > system made by Prestige Auto Air in Sydney or else some other a/c
> > business. My observations conclude that most if not all of these old
> > systems no longer work satisfactorily, some people even resort to a
> > re-gas just prior to their annual trip, hoping it lasts the
distance.
> >
> > Has anyone had real success simply upgrading key components of the
> > original a/c system such, that it now works well and no longer leaks
> > refrigerant?
> >
> > By that I mean for example, replacing the compressor,
receiver/drier,
> > perhaps the thermostat, pressure switch, T.X. valve, gas seals etc.
> > Also, possibly replaced the front condenser (in front of radiator)
> > and/or the evaporator (mounted in/on dash in front of passenger
seat.
> >
> > If anyone can say it has been done successfully, did it also include
> > replacing the 2 large rubber refrigerant hoses that link the
> > compressor on the motor and the receiver drier behind the front
> > passenger side headlight? Perhaps they were replaced with metal
lines.
> >
> > I'm interested at this early stage to at least try and find out if
it
> > is feasible in terms of being practical and economical. I've spoken
> > to an accredited installer today and he didn't paint a rosy picture.
> >
> > Failing all else, I may remove the a/c components to lighten the
load.
> >
> > Any helpful feedback would be much appreciated. TIA.
> >
> > Cheers.
> >
> > Ken
>
12
Gday Les,

My bracket weighs a ton too. Just imagine 300,000 clicks carting that
around. My heart bleeds for the 2.1 WBX.

Touch wood, I think my setup isn't broken and the pulleys do line up so
yours may have something of a chequered history.

Cheers.

Ken


--- In Syncro_T3_Australia@yahoogroups.com, "Les Harris"
<leslieharris@...> wrote:
>
> Ken,
>
> I have a Prestige fitted to mine. I don't have any answers to your
questions but I did discover something nasty. After I bought it, I was
inspecting it generally and noticed that the compressor belt was very
misaligned to the crankshaft pulley. I removed the belt and put a
straightedge on the crankshaft pulley - the compressor was way out.
>
> Now curious, I looked at the mounting bracket. It is mild steel plate
and a structure of heroic proportions. There is a threaded hole in a
boss on the LH side of the crankcase and it is used for one of the
mounting points. The side had broken completely out of the boss. The
mass of the compressor bracket is truly lunatic. Whilst the compressor
is hefty, there is no need for the bracket to weigh even more. I had to
remove the compressor and leave it off.
>
> If I decide to get the system up, I will either make up a mild steel
mounting bracket that is adequate but a tenth the weight of the existing
one or make up one from aluminium plate.
>
> If anyone has this installation, I would suggest that they inspect the
boss on the crankcase and give thought to getting a far lighter mounting
bracket. Even drilling (or oxy cutting) holes in the existing bracket
would help.
>
> Les
>
>
> ----- Original Message -----
> From: Ken
> To: Syncro_T3_Australia@yahoogroups.com
> Sent: Thursday, November 20, 2008 5:35 PM
> Subject: [Syncro_T3_Australia] re: Original circa 1990 aftermarket air
conditioning system ... upgradeable?
>
>
> Gday ALL,
>
> Many syncros, in particular Trakka campers, had an aftermarket a/c
> system made by Prestige Auto Air in Sydney or else some other a/c
> business. My observations conclude that most if not all of these old
> systems no longer work satisfactorily, some people even resort to a
> re-gas just prior to their annual trip, hoping it lasts the distance.
>
>
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13
mmmmmmmm ..... I'd like to be a fly on the wall when you tell that to
the accredited installer and member of VASA (Vehicle Air Conditioning
Specialists of Australasia) I spoke to today ..... I'm thinking he just
may give you the short shift .... haha


--- In Syncro_T3_Australia@yahoogroups.com, plander@... wrote:
>
> Ken,
> I cannot see why the system is not repairable.
>
> Phill
>
>
>
> > Ken unclekenz@... wrote:
> >
> > Gday ALL,
> >
> > Many syncros, in particular Trakka campers, had an aftermarket a/c
> > system made by Prestige Auto Air in Sydney or else some other a/c
> > business. My observations conclude that most if not all of these old
> > systems no longer work satisfactorily, some people even resort to a
> > re-gas just prior to their annual trip, hoping it lasts the
distance.
> >
> > Has anyone had real success simply upgrading key components of the
> > original a/c system such, that it now works well and no longer leaks
> > refrigerant?
> >
> > By that I mean for example, replacing the compressor,
receiver/drier,
> > perhaps the thermostat, pressure switch, T.X. valve, gas seals etc.
> > Also, possibly replaced the front condenser (in front of radiator)
> > and/or the evaporator (mounted in/on dash in front of passenger
seat.
> >
> > If anyone can say it has been done successfully, did it also include
> > replacing the 2 large rubber refrigerant hoses that link the
> > compressor on the motor and the receiver drier behind the front
> > passenger side headlight? Perhaps they were replaced with metal
lines.
> >
> > I'm interested at this early stage to at least try and find out if
it
> > is feasible in terms of being practical and economical. I've spoken
> > to an accredited installer today and he didn't paint a rosy picture.
> >
> > Failing all else, I may remove the a/c components to lighten the
load.
> >
> > Any helpful feedback would be much appreciated. TIA.
> >
> > Cheers.
> >
> > Ken
>
14
We installed an aftermarket around 14 years ago somewhere in Sydney western suburbs. We regas it from time to time. It works .. sort of, though come to think of it we havn't regased or even tried it for a while. I could try and look for, maybe digi-photo the bits you mention if you're very keen Ken.

Nigel


--- On Thu, 20/11/08, Ken <unclekenz@yahoo.com> wrote:

> From: Ken <unclekenz@yahoo.com>
> Subject: [Syncro_T3_Australia] Re: Original circa 1990 aftermarket air conditioning system ... upgradeable?
> To: Syncro_T3_Australia@yahoogroups.com
> Received: Thursday, 20 November, 2008, 6:38 AM
> mmmmmmmm ..... I'd like to be a fly on the wall when you
> tell that to
> the accredited installer and member of VASA (Vehicle Air
> Conditioning
> Specialists of Australasia) I spoke to today ..... I'm
> thinking he just
> may give you the short shift .... haha
>
>
> --- In Syncro_T3_Australia@yahoogroups.com, plander@...
> wrote:
> >
> > Ken,
> > I cannot see why the system is not repairable.
> >
> > Phill
> >
> >
> >
> > > Ken unclekenz@... wrote:
> > >
> > > Gday ALL,
> > >
> > > Many syncros, in particular Trakka campers, had
> an aftermarket a/c
> > > system made by Prestige Auto Air in Sydney or
> else some other a/c
> > > business. My observations conclude that most if
> not all of these old
> > > systems no longer work satisfactorily, some
> people even resort to a
> > > re-gas just prior to their annual trip, hoping it
> lasts the
> distance.
> > >
> > > Has anyone had real success simply upgrading key
> components of the
> > > original a/c system such, that it now works well
> and no longer leaks
> > > refrigerant?
> > >
> > > By that I mean for example, replacing the
> compressor,
> receiver/drier,
> > > perhaps the thermostat, pressure switch, T.X.
> valve, gas seals etc.
> > > Also, possibly replaced the front condenser (in
> front of radiator)
> > > and/or the evaporator (mounted in/on dash in
> front of passenger
> seat.
> > >
> > > If anyone can say it has been done successfully,
> did it also include
> > > replacing the 2 large rubber refrigerant hoses
> that link the
> > > compressor on the motor and the receiver drier
> behind the front
> > > passenger side headlight? Perhaps they were
> replaced with metal
> lines.
> > >
> > > I'm interested at this early stage to at
> least try and find out if
> it
> > > is feasible in terms of being practical and
> economical. I've spoken
> > > to an accredited installer today and he
> didn't paint a rosy picture.
> > >
> > > Failing all else, I may remove the a/c components
> to lighten the
> load.
> > >
> > > Any helpful feedback would be much appreciated.
> TIA.
> > >
> > > Cheers.
> > >
> > > Ken
> >


Make the switch to the world's best email. Get Yahoo!7 Mail! http://au.yahoo.com/y7mail
15
Gday Nigel,

Thanks but no need ... the main thrust of my enquiry at this stage
anyway, is to get feedback from anyone who has more recently
successfully upgraded the existing a/c system in their syncro, not
install a whole new system. There is a big difference. Obviously a new
system would be the answer, but at what ginormous cost?

Cheers.

Ken
--- In Syncro_T3_Australia@yahoogroups.com, n h <nigelhharvey@...>
wrote:
>
> We installed an aftermarket around 14 years ago somewhere in Sydney
western suburbs. We regas it from time to time. It works .. sort of,
though come to think of it we havn't regased or even tried it for a
while. I could try and look for, maybe digi-photo the bits you mention
if you're very keen Ken.
>
> Nigel
>
>
> --- On Thu, 20/11/08, Ken unclekenz@... wrote:
>
> > From: Ken unclekenz@...
> > Subject: [Syncro_T3_Australia] Re: Original circa 1990 aftermarket
air conditioning system ... upgradeable?
> > To: Syncro_T3_Australia@yahoogroups.com
> > Received: Thursday, 20 November, 2008, 6:38 AM
> > mmmmmmmm ..... I'd like to be a fly on the wall when you
> > tell that to
> > the accredited installer and member of VASA (Vehicle Air
> > Conditioning
> > Specialists of Australasia) I spoke to today ..... I'm
> > thinking he just
> > may give you the short shift .... haha
> >
> >
> > --- In Syncro_T3_Australia@yahoogroups.com, plander@
> > wrote:
> > >
> > > Ken,
> > > I cannot see why the system is not repairable.
> > >
> > > Phill
> > >
> > >
> > >
> > > > Ken unclekenz@ wrote:
> > > >
> > > > Gday ALL,
> > > >
> > > > Many syncros, in particular Trakka campers, had
> > an aftermarket a/c
> > > > system made by Prestige Auto Air in Sydney or
> > else some other a/c
> > > > business. My observations conclude that most if
> > not all of these old
> > > > systems no longer work satisfactorily, some
> > people even resort to a
> > > > re-gas just prior to their annual trip, hoping it
> > lasts the
> > distance.
> > > >
> > > > Has anyone had real success simply upgrading key
> > components of the
> > > > original a/c system such, that it now works well
> > and no longer leaks
> > > > refrigerant?
> > > >
> > > > By that I mean for example, replacing the
> > compressor,
> > receiver/drier,
> > > > perhaps the thermostat, pressure switch, T.X.
> > valve, gas seals etc.
> > > > Also, possibly replaced the front condenser (in
> > front of radiator)
> > > > and/or the evaporator (mounted in/on dash in
> > front of passenger
> > seat.
> > > >
> > > > If anyone can say it has been done successfully,
> > did it also include
> > > > replacing the 2 large rubber refrigerant hoses
> > that link the
> > > > compressor on the motor and the receiver drier
> > behind the front
> > > > passenger side headlight? Perhaps they were
> > replaced with metal
> > lines.
> > > >
> > > > I'm interested at this early stage to at
> > least try and find out if
> > it
> > > > is feasible in terms of being practical and
> > economical. I've spoken
> > > > to an accredited installer today and he
> > didn't paint a rosy picture.
> > > >
> > > > Failing all else, I may remove the a/c components
> > to lighten the
> > load.
> > > >
> > > > Any helpful feedback would be much appreciated.
> > TIA.
> > > >
> > > > Cheers.
> > > >
> > > > Ken
> > >
>
>
> Make the switch to the world's best email. Get Yahoo!7 Mail!
http://au.yahoo.com/y7mail
>
16
RE: [Syncro_T3_Australia] Re: Original circa 1990 aftermarket air conditioning system ... upgradeable?

Hi Ken,
Yeah, I went there about 4 years ago when I had the 2wd T3 Caravelle and they had two separate models they could fit ($3,000-$4,000!). The $4,000 was a duel if I recall. The guy had experience with T3s somewhere along the line I think. Had a portfolio of photos of AC he'd fitted to T3s.

Cheers M 

Dr Murray Lee / Senior Lecturer in Criminology / Sydney Law School / University of Sydney /
Level 11, 173-175 Phillip Street, Sydney 2000 NSW / ph: (02) 9351 0443 / FAX: (02) 9351 0200



-----Original Message-----
From: Syncro_T3_Australia@yahoogroups.com on behalf of Ken
Sent: Thu 11/20/2008 9:22 PM
To: Syncro_T3_Australia@yahoogroups.com
Subject: [Syncro_T3_Australia] Re: Original circa 1990 aftermarket air conditioning system  ... upgradeable?


Gday Murray,

Thanks for the link. I'd be amazed to believe a custom T3 a/c system
would still be available anywhere.

I'll give them a ring and sound them out. Thanks Murray.

Cheers.

Ken


--- In Syncro_T3_Australia@yahoogroups.com, "Murray Lee"
<murray.lee@...> wrote:

>
> Hi Ken,
>
> My air con, like your hot air (lol), does not work well. I understand
Autofrost at Milpara might have some info if you haven't spoken to them
- I've been meaning to drop back in there. They make a couple of custom
systems for T3s but their quite expensive - see this link for a pic of
one of their T3 systems http://www.autofrost.com.au/products.php
>
>
> -----Original Message-----
> From: Syncro_T3_Australia@yahoogroups.com on behalf of Ken
> Sent: Thu 11/20/2008 5:35 PM
> To: Syncro_T3_Australia@yahoogroups.com
> Subject: [Syncro_T3_Australia] re: Original circa 1990 aftermarket air
conditioning system ... upgradeable?
>
> Gday ALL,
>
> Many syncros, in particular Trakka campers, had an aftermarket a/c
> system made by Prestige Auto Air in Sydney or else some other a/c
> business. My observations conclude that most if not all of these old
> systems no longer work satisfactorily, some people even resort to a
> re-gas just prior to their annual trip, hoping it lasts the distance.
>
> Has anyone had real success simply upgrading key components of the
> original a/c system such, that it now works well and no longer leaks
> refrigerant?
>
> By that I mean for example, replacing the compressor, receiver/drier,
> perhaps the thermostat, pressure switch, T.X. valve, gas seals etc.
> Also, possibly replaced the front condenser (in front of radiator)
> and/or the evaporator (mounted in/on dash in front of passenger seat.
>
> If anyone can say it has been done successfully, did it also include
> replacing the 2 large rubber refrigerant hoses that link the
> compressor on the motor and the receiver drier behind the front
> passenger side headlight? Perhaps they were replaced with metal lines.
>
> I'm interested at this early stage to at least try and find out if it
> is feasible in terms of being practical and economical. I've spoken
> to an accredited installer today and he didn't paint a rosy picture.
>
> Failing all else, I may remove the a/c components to lighten the load.
>
> Any helpful feedback would be much appreciated. TIA.
>
> Cheers.
>
> Ken
>

17
Ken,
 
I do indeed get out of America as often as possible. My idea of a good vacation necessitates a currency and language change.
This might subconsciously be the reason that why I haven't made it to your slice of paradise. Afterall, despite our spelling and
terminological differences, we still speak a version of the language spoken in that island across the Chunnel/Channel from France.
 
How do you think I got the pics of the Thai Transporter? I was in that van plying the waters over Pataya Beach. Well, more exactly
driving over a very long pier over the water.
 
You're right. We do have a tendency to overcomplicate our lives with gadgets. I've seen Syncro Westfalias with enough to have kept
the retailer Sharper Image out of bankruptcy. Just yesterday, I took some photos of a Syncro with a full air-suspension system
complete with a tank and compressor for each corner of the van. Inside was more plush the typical luxobarge from Maybach. This
thing also looked to have a climate control system. I can imagine having a button at my command to ask for a Southeast Asian
monsoon as can be experienced only in April when the moon is full. For the most part, you can rest assure my Syncro is almost
too simple in comparison.
 
I have a Syncro 16 Doublecab which originally came with a 1.6TD. Other than the installation of a bigger 1.9TD (still mechanically injected) and AC and PS in a few months, it is bone stock. It came from the factory without even a hole for the antenna. Unlike the
typical US-Spec Vanagons, there is no pre-wire for anything. No power anything. Nothing complicated. Top speed? About 70mph
but comfy at 65mph. It does not have a fancy paintjob. In fact, a 3 years after I got it from Europe, I decided to upgrade the braking
system and discovered, I had Belgian mud 3 inches thich under the wheelhouses which had been painted black by the former owner.
The US Customs officer must have thought it was undercoating as I did. I must admit though that AC is essential for me. The last
time I took for an outing in dusty conditions, I came home with grit in my teeth which I could not seem to get rid of for hours.
 
Speaking of contemporary companies offering AC systems for VW's, this place makes retrofit parts:
 
 
They do not show the T3 in that list but I know they offer the pieces to repair and improve systems in Vanagons because my pal
with the super cold AC got the parts from them.
 
There is also a company called European Cooleraire in Texas which offers a system specifically tailored for our vans. Unfortunately,
I have heard a few complaints which lead me to doubt the quality of their customer service. They do offer an innovative vent solution.
They have this vent designed to pop into the ashtray hole. It gave you this vent that looked like a rectangular-headed cobra ready to
strike you in the face. Nice for moving air where it belongs.
 
 
=)
 
BenT
 
 
 
On Thu, Nov 20, 2008 at 3:06 AM, Ken <unclekenz@yahoo.com> wrote:

Gday BenT,

I think you better get out of America, you've been there way too long
... haha. Come and check out our Oz syncros.

With respect, unlike the average American syncro enthusiast with their
mindboggling array of modifications, enlargements, enhancements,
speeder-upperers, horsepower boosters, suspension modifiers, huge wheels
and tyres, heaters and coolers etc. etc. ad nauseum, generally speaking,
Oz syncro owners believe in the K.I.S.S. principal. So we mostly have
straight syncros, some have camper conversions, other than that, we give
the syncro a wash occasionally if we're feeling sentimental at some weak
moment. Of course we all love them just the same.

So the aftermarket a/c system we are talking about here is ....
rudimentary at best. Suits us really, we're all flat out now swinging a
cat in our syncros let alone worrying about fancy ducted systems all
over the place and add-on extra evaporators etc. etc. So I hope you
understand now where we are coming from.

Most of us simply have an aftermarket  single unit evaporator mounted on
the dash in front of the passenger .... full stop. Someone once told me
that to gain the most cooling benefit, hang a plastic shower screen
across the width of the syncro behind the two front seats so as to
contain the cool air in that front space and thats it! Forget trying to
cool the back of the van, that's not where we are sitting! So you can
see, sophistication isn't at all our priority. Getting it to work ...
now that would be useful.

BenT, it's possible there are a few VW factory fitted air conditioning
systems here in Oz, probably only in the more refined model here called
a Caravelle. The rest of us luxuriate with an aftermarket 18 year old
leaky non-cooling a/c system. Works great in winter.

Cheers.

Ken
18
Gday Yurik,

Thanks a lot for this, so far you are the only one who has experienced
the sort of upgrade I had in mind and hopefully within a reasonable
budget.

Balance what you have done with the view of the accredited a/c installer
I spoke to who essentially said an 18 year old system in this
non-standard vehicle would be so affected by deterioration, corrosion,
poor sealing etc in so many components including the long hoses,
realistically no one in the industry with typical high labour costs and
overheads would touch it. Only a complete new system would attract a
warranty. In his view, the removal and replacement with a complete new
system would be prohibitively expensive. He did say though to try and
find someone with lower overheads such as the mobile a/c accredited
installers, even then it would probably have to be treated as a "labour
of love".

Ok so please give me your thoughts on the following ok ....

I believe I can get a new modern compressor with double pulley that
bolts straight on to the existing bracket. The compressor pulley will
line up correctly with the drive output pulley.

I expect the o ring connectors on the new compressor head will be set
up/located differently to the existing flair connectors on the old
compressor head. So do you think that cutting off the hose flair
fittings and replacing them with the newer o ring fittings, the hose
will still be long enough to attach to the new compressor head? Worst
comes to the worst, I believe there are adaptors available.

The receiver-drier as a matter of course should be replaced.

As you suggest, replace the X.T. valve.

So from what you remember, you re-used the old front condenser (in front
of the radiator), the in-dash evaporator, the thermostat and pressure
switch as well as the 2 very long rubber refrigerant hoses. The whole
system was evacuated of contaminants then regassed with R134A
refrigerant, tested for leaks and it passed ok?

Are you aware of any other issues and does the a/c system still hold
it's gas ok ... that is, it's still quite cold even now when you use it,
some 5 years later?

Do you run it periodically to keep the seals moist and do you have it
serviced annually or not?

Thanks Yurik, I appreciate your help and guidance.

Cheers.

Ken



--- In Syncro_T3_Australia@yahoogroups.com, "Yurik Orlowsky"
<yuriko@...> wrote:
>
> Ken
>
> My syncro has the Prestige Auto Air system and I also found it to be
> ineffective. At one point when a re-gas was needed
>
> I had the XT valve replaced and this improved the cooling
significantly.
> Later when I did the Subaru engine conversion the
>
> new engine(2003) came with a compressor which was retro fitted to the
> existing system and this combination produced
>
> very crisp cold air - a huge improvement. I have come to the
conclusion
> that the old compressors are inefficient and the modern
>
> new ones are the answer to an aging ac system that we have. One of my
> friends replaced his compressor in a 2L air cooled
>
> VW bus with a smaller modern one and it transformed his ac.
>
> With the T3, the engine compressor bracket would have to be modified
and new
> hose connectors installed to suit the compressor
>
> used. All other components remain.
>
>
>
> Yurik
>
>
>
>
>
> From: Syncro_T3_Australia@yahoogroups.com
> [mailto:Syncro_T3_Australia@yahoogroups.com] On Behalf Of Ken
> Sent: Thursday, 20 November 2008 3:36 PM
> To: Syncro_T3_Australia@yahoogroups.com
> Subject: [Syncro_T3_Australia] re: Original circa 1990 aftermarket air
> conditioning system ... upgradeable?
>
>
>
> Gday ALL,
>
> Many syncros, in particular Trakka campers, had an aftermarket a/c
> system made by Prestige Auto Air in Sydney or else some other a/c
> business. My observations conclude that most if not all of these old
> systems no longer work satisfactorily, some people even resort to a
> re-gas just prior to their annual trip, hoping it lasts the distance.
>
> Has anyone had real success simply upgrading key components of the
> original a/c system such, that it now works well and no longer leaks
> refrigerant?
>
> By that I mean for example, replacing the compressor, receiver/drier,
> perhaps the thermostat, pressure switch, T.X. valve, gas seals etc.
> Also, possibly replaced the front condenser (in front of radiator)
> and/or the evaporator (mounted in/on dash in front of passenger seat.
>
> If anyone can say it has been done successfully, did it also include
> replacing the 2 large rubber refrigerant hoses that link the
> compressor on the motor and the receiver drier behind the front
> passenger side headlight? Perhaps they were replaced with metal lines.
>
> I'm interested at this early stage to at least try and find out if it
> is feasible in terms of being practical and economical. I've spoken
> to an accredited installer today and he didn't paint a rosy picture.
>
> Failing all else, I may remove the a/c components to lighten the load.
>
> Any helpful feedback would be much appreciated. TIA.
>
> Cheers.
>
> Ken
>
19

Ken,

 

If you can get a new modern compressor that  bolts straight on the existing bracket

then that would be the major part of the ac upgrade.  The remaining things are to get

new fittings on the hoses to connect to the compressor, new TX valve and receiver-drier.

I would use Hose Masters/Enzed or similar to crimp on new o-ring connectors. Any decrease

of length as the result of cutting off the old fittings can be made up by using longer  Al tails

on the new fittings, all available off the shelf. The rest of the components in the system are re-used

ie condenser, evaporator, thermostat, pressure switch and hoses.

 

I would then present the completed system to an ac specialist and ask them to do a re-gas.

Making sure that the system is flushed to remove any R12, oil and contaminants. Having both

a pressure test- using Nitrogen gas and a vacuum  leak down test. Making sure they use extra oil

because of the longer hoses in the syncro. They will probably inject a UV sensitive dye with the

R134A for leak checking post re-gas. It would be a good idea to return to them after approx

600km with good use of the ac for a further leak test.

 

My ac has remained very cold now some 3yrs later. However one would expect a slow reduction of

efficiency after 5yrs or so due to the slow molecular diffusion of the gas through the long rubber hoses and seal leaks.

 

For the moment I am keeping cool.

 

Regards

Yurik

 

 

 

From: Syncro_T3_Australia@yahoogroups.com [mailto:Syncro_T3_Australia@yahoogroups.com] On Behalf Of Ken
Sent: Friday, 21 November 2008 9:41 AM
To: Syncro_T3_Australia@yahoogroups.com
Subject: [Syncro_T3_Australia] Re: Original circa 1990 aftermarket air conditioning system ... upgradeable?

 


Gday Yurik,

Thanks a lot for this, so far you are the only one who has experienced
the sort of upgrade I had in mind and hopefully within a reasonable
budget.

Balance what you have done with the view of the accredited a/c installer
I spoke to who essentially said an 18 year old system in this
non-standard vehicle would be so affected by deterioration, corrosion,
poor sealing etc in so many components including the long hoses,
realistically no one in the industry with typical high labour costs and
overheads would touch it. Only a complete new system would attract a
warranty. In his view, the removal and replacement with a complete new
system would be prohibitively expensive. He did say though to try and
find someone with lower overheads such as the mobile a/c accredited
installers, even then it would probably have to be treated as a "labour
of love".

Ok so please give me your thoughts on the following ok ....

I believe I can get a new modern compressor with double pulley that
bolts straight on to the existing bracket. The compressor pulley will
line up correctly with the drive output pulley.

I expect the o ring connectors on the new compressor head will be set
up/located differently to the existing flair connectors on the old
compressor head. So do you think that cutting off the hose flair
fittings and replacing them with the newer o ring fittings, the hose
will still be long enough to attach to the new compressor head? Worst
comes to the worst, I believe there are adaptors available.

The receiver-drier as a matter of course should be replaced.

As you suggest, replace the X.T. valve.

So from what you remember, you re-used the old front condenser (in front
of the radiator), the in-dash evaporator, the thermostat and pressure
switch as well as the 2 very long rubber refrigerant hoses. The whole
system was evacuated of contaminants then regassed with R134A
refrigerant, tested for leaks and it passed ok?

Are you aware of any other issues and does the a/c system still hold
it's gas ok ... that is, it's still quite cold even now when you use it,
some 5 years later?

Do you run it periodically to keep the seals moist and do you have it
serviced annually or not?

Thanks Yurik, I appreciate your help and guidance.

Cheers.

Ken

--- In Syncro_T3_Australia@yahoogroups.com, "Yurik Orlowsky"
<yuriko@...> wrote:

>
> Ken
>
> My syncro has the Prestige Auto Air system and I also found it to be
> ineffective. At one point when a re-gas was needed
>
> I had the XT valve replaced and this improved the cooling
significantly.
> Later when I did the Subaru engine conversion the
>
> new engine(2003) came with a compressor which was retro fitted to the
> existing system and this combination produced
>
> very crisp cold air - a huge improvement. I have come to the
conclusion
> that the old compressors are inefficient and the modern
>
> new ones are the answer to an aging ac system that we have. One of my
> friends replaced his compressor in a 2L air cooled
>
> VW bus with a smaller modern one and it transformed his ac.
>
> With the T3, the engine compressor bracket would have to be modified
and new
> hose connectors installed to suit the compressor
>
> used. All other components remain.
>
>
>
> Yurik
>
>
>
>
>
> From: Syncro_T3_Australia@yahoogroups.com
> [mailto:Syncro_T3_Australia@yahoogroups.com]
On Behalf Of Ken
> Sent: Thursday, 20 November 2008 3:36 PM
> To: Syncro_T3_Australia@yahoogroups.com
> Subject: [Syncro_T3_Australia] re: Original circa 1990 aftermarket air
> conditioning system ... upgradeable?
>
>
>
> Gday ALL,
>
> Many syncros, in particular Trakka campers, had an aftermarket a/c
> system made by Prestige Auto Air in Sydney or else some other a/c
> business. My observations conclude that most if not all of these old
> systems no longer work satisfactorily, some people even resort to a
> re-gas just prior to their annual trip, hoping it lasts the distance.
>
> Has anyone had real success simply upgrading key components of the
> original a/c system such, that it now works well and no longer leaks
> refrigerant?
>
> By that I mean for example, replacing the compressor, receiver/drier,
> perhaps the thermostat, pressure switch, T.X. valve, gas seals etc.
> Also, possibly replaced the front condenser (in front of radiator)
> and/or the evaporator (mounted in/on dash in front of passenger seat.
>
> If anyone can say it has been done successfully, did it also include
> replacing the 2 large rubber refrigerant hoses that link the
> compressor on the motor and the receiver drier behind the front
> passenger side headlight? Perhaps they were replaced with metal lines.
>
> I'm interested at this early stage to at least try and find out if it
> is feasible in terms of being practical and economical. I've spoken
> to an accredited installer today and he didn't paint a rosy picture.
>
> Failing all else, I may remove the a/c components to lighten the load.
>
> Any helpful feedback would be much appreciated. TIA.
>
> Cheers.
>
> Ken
>

20
What is different in a modern compressor? Or do you really mean a replacement to the old worn out one?

Phill



> Yurik Orlowsky <yuriko@iinet.net.au> wrote:
>
> Ken,
>
>
>
> If you can get a new modern compressor that bolts straight on the
> existing
> bracket
>
> then that would be the major part of the ac upgrade. The remaining
> things
> are to get
>
> new fittings on the hoses to connect to the compressor, new TX valve and
> receiver-drier.
>
> I would use Hose Masters/Enzed or similar to crimp on new o-ring
> connectors.
> Any decrease
>
> of length as the result of cutting off the old fittings can be made up
> by
> using longer Al tails
>
> on the new fittings, all available off the shelf. The rest of the
> components
> in the system are re-used
>
> ie condenser, evaporator, thermostat, pressure switch and hoses.
>
>
>
> I would then present the completed system to an ac specialist and ask
> them
> to do a re-gas.
>
> Making sure that the system is flushed to remove any R12, oil and
> contaminants. Having both
>
> a pressure test- using Nitrogen gas and a vacuum leak down test. Making
> sure they use extra oil
>
> because of the longer hoses in the syncro. They will probably inject a
> UV
> sensitive dye with the
>
> R134A for leak checking post re-gas. It would be a good idea to return
> to
> them after approx
>
> 600km with good use of the ac for a further leak test.
>
>
>
> My ac has remained very cold now some 3yrs later. However one would
> expect a
> slow reduction of
>
> efficiency after 5yrs or so due to the slow molecular diffusion of the
> gas
> through the long rubber hoses and seal leaks.
>
>
>
> For the moment I am keeping cool.
>
>
>
> Regards
>
> Yurik
>
>
>
>
>
>
>
> From: Syncro_T3_Australia@yahoogroups.com
> [mailto:Syncro_T3_Australia@yahoogroups.com] On Behalf Of Ken
> Sent: Friday, 21 November 2008 9:41 AM
> To: Syncro_T3_Australia@yahoogroups.com
> Subject: [Syncro_T3_Australia] Re: Original circa 1990 aftermarket air
> conditioning system ... upgradeable?
>
>
>
>
> Gday Yurik,
>
> Thanks a lot for this, so far you are the only one who has experienced
> the sort of upgrade I had in mind and hopefully within a reasonable
> budget.
>
> Balance what you have done with the view of the accredited a/c installer
> I spoke to who essentially said an 18 year old system in this
> non-standard vehicle would be so affected by deterioration, corrosion,
> poor sealing etc in so many components including the long hoses,
> realistically no one in the industry with typical high labour costs and
> overheads would touch it. Only a complete new system would attract a
> warranty. In his view, the removal and replacement with a complete new
> system would be prohibitively expensive. He did say though to try and
> find someone with lower overheads such as the mobile a/c accredited
> installers, even then it would probably have to be treated as a "labour
> of love".
>
> Ok so please give me your thoughts on the following ok ....
>
> I believe I can get a new modern compressor with double pulley that
> bolts straight on to the existing bracket. The compressor pulley will
> line up correctly with the drive output pulley.
>
> I expect the o ring connectors on the new compressor head will be set
> up/located differently to the existing flair connectors on the old
> compressor head. So do you think that cutting off the hose flair
> fittings and replacing them with the newer o ring fittings, the hose
> will still be long enough to attach to the new compressor head? Worst
> comes to the worst, I believe there are adaptors available.
>
> The receiver-drier as a matter of course should be replaced.
>
> As you suggest, replace the X.T. valve.
>
> So from what you remember, you re-used the old front condenser (in front
> of the radiator), the in-dash evaporator, the thermostat and pressure
> switch as well as the 2 very long rubber refrigerant hoses. The whole
> system was evacuated of contaminants then regassed with R134A
> refrigerant, tested for leaks and it passed ok?
>
> Are you aware of any other issues and does the a/c system still hold
> it's gas ok ... that is, it's still quite cold even now when you use it,
> some 5 years later?
>
> Do you run it periodically to keep the seals moist and do you have it
> serviced annually or not?
>
> Thanks Yurik, I appreciate your help and guidance.
>
> Cheers.
>
> Ken
>
> --- In Syncro_T3_Australia@yahoogroups.com
> <mailto:Syncro_T3_Australia%40yahoogroups.com> , "Yurik Orlowsky"
> <yuriko@...> wrote:
> >
> > Ken
> >
> > My syncro has the Prestige Auto Air system and I also found it to be
> > ineffective. At one point when a re-gas was needed
> >
> > I had the XT valve replaced and this improved the cooling
> significantly.
> > Later when I did the Subaru engine conversion the
> >
> > new engine(2003) came with a compressor which was retro fitted to the
> > existing system and this combination produced
> >
> > very crisp cold air - a huge improvement. I have come to the
> conclusion
> > that the old compressors are inefficient and the modern
> >
> > new ones are the answer to an aging ac system that we have. One of my
> > friends replaced his compressor in a 2L air cooled
> >
> > VW bus with a smaller modern one and it transformed his ac.
> >
> > With the T3, the engine compressor bracket would have to be modified
> and new
> > hose connectors installed to suit the compressor
> >
> > used. All other components remain.
> >
> >
> >
> > Yurik
> >
> >
> >
> >
> >
> > From: Syncro_T3_Australia@yahoogroups.com
> <mailto:Syncro_T3_Australia%40yahoogroups.com>
> > [mailto:Syncro_T3_Australia@yahoogroups.com
> <mailto:Syncro_T3_Australia%40yahoogroups.com> ] On Behalf Of Ken
> > Sent: Thursday, 20 November 2008 3:36 PM
> > To: Syncro_T3_Australia@yahoogroups.com
> <mailto:Syncro_T3_Australia%40yahoogroups.com>
> > Subject: [Syncro_T3_Australia] re: Original circa 1990 aftermarket air
> > conditioning system ... upgradeable?
> >
> >
> >
> > Gday ALL,
> >
> > Many syncros, in particular Trakka campers, had an aftermarket a/c
> > system made by Prestige Auto Air in Sydney or else some other a/c
> > business. My observations conclude that most if not all of these old
> > systems no longer work satisfactorily, some people even resort to a
> > re-gas just prior to their annual trip, hoping it lasts the distance.
> >
> > Has anyone had real success simply upgrading key components of the
> > original a/c system such, that it now works well and no longer leaks
> > refrigerant?
> >
> > By that I mean for example, replacing the compressor, receiver/drier,
> > perhaps the thermostat, pressure switch, T.X. valve, gas seals etc.
> > Also, possibly replaced the front condenser (in front of radiator)
> > and/or the evaporator (mounted in/on dash in front of passenger seat.
> >
> > If anyone can say it has been done successfully, did it also include
> > replacing the 2 large rubber refrigerant hoses that link the
> > compressor on the motor and the receiver drier behind the front
> > passenger side headlight? Perhaps they were replaced with metal lines.
> >
> > I'm interested at this early stage to at least try and find out if it
> > is feasible in terms of being practical and economical. I've spoken
> > to an accredited installer today and he didn't paint a rosy picture.
> >
> > Failing all else, I may remove the a/c components to lighten the load.
> >
> > Any helpful feedback would be much appreciated. TIA.
> >
> > Cheers.
> >
> > Ken
> >
>
>