Low coolant level ... audible alarm

Ideally, that mass of plumbing on board comprising the cooling system
will be religiously maintained, stay in pristine condition year in year
out and so most likely never unexpectedly fail. Reality dictates
otherwise on our complex T25's.

I now have an extra early warning device for unexpected low coolant
level. In the expansion bottle I've fitted a float switch and linked it
to an audible alarm in the engine bay. In effect, the on dash flashing
red LED now serves as a complimentary and handy secondary warning
function.

Tried and tested it. Works a treat. Total outlay DIY around $30.

Remember, should you unbeknowns drop your 17 litres of G12+ coolant and
distilled water all over the road due to a leak, that alone is worth
over $100 to replace.

As well, those who've already been through an expensive engine rebuild
at great expense ($thousands), inconvenience and trauma, due to having
NOT noticed the flashing LED early enough, they may appreciate this
peace of mind mod.
Many years ago, there was a very effective cooling fluid monitor on the market.  It used a similar level detecting switch but the operational end was a loud piezo on the instrument panel.  When that went off, it was impossible not to know that a coolant loss had occurred. 
 
I question having an alarm in the engine bay.  When I have a load on board, I can't hear the engine at all and would not trust my being able to hear an engine bay alarm, particularly in heavy traffic.
 
Les
 
----- Original Message -----
From: Ken
Sent: Friday, May 04, 2007 2:47 AM
Subject: [Syncro_T3_Australia] Low coolant level ... audible alarm


Ideally, that mass of plumbing on board comprising the cooling system
will be religiously maintained, stay in pristine condition year in year
out and so most likely never unexpectedly fail. Reality dictates
otherwise on our complex T25's.

I now have an extra early warning device for unexpected low coolant
level. In the expansion bottle I've fitted a float switch and linked it
to an audible alarm in the engine bay. In effect, the on dash flashing
red LED now serves as a complimentary and handy secondary warning
function.

Tried and tested it. Works a treat. Total outlay DIY around $30.

Remember, should you unbeknowns drop your 17 litres of G12+ coolant and
distilled water all over the road due to a leak, that alone is worth
over $100 to replace.

As well, those who've already been through an expensive engine rebuild
at great expense ($thousands) , inconvenience and trauma, due to having
NOT noticed the flashing LED early enough, they may appreciate this
peace of mind mod.

But they already have a low level warning fitted standard?

Phill



> Les Harris <leslieharris@optushome.com.au> wrote:
>
> Many years ago, there was a very effective cooling fluid monitor on the
> market. It used a similar level detecting switch but the operational
> end was a loud piezo on the instrument panel. When that went off, it
> was impossible not to know that a coolant loss had occurred.
>
> I question having an alarm in the engine bay. When I have a load on
> board, I can't hear the engine at all and would not trust my being able
> to hear an engine bay alarm, particularly in heavy traffic.
>
> Les
>
> ----- Original Message -----
> From: Ken
> To: Syncro_T3_Australia@yahoogroups.com
> Sent: Friday, May 04, 2007 2:47 AM
> Subject: [Syncro_T3_Australia] Low coolant level ... audible alarm
>
>
>
> Ideally, that mass of plumbing on board comprising the cooling system
> will be religiously maintained, stay in pristine condition year in
> year
> out and so most likely never unexpectedly fail. Reality dictates
> otherwise on our complex T25's.
>
> I now have an extra early warning device for unexpected low coolant
> level. In the expansion bottle I've fitted a float switch and linked
> it
> to an audible alarm in the engine bay. In effect, the on dash flashing
> red LED now serves as a complimentary and handy secondary warning
> function.
>
> Tried and tested it. Works a treat. Total outlay DIY around $30.
>
> Remember, should you unbeknowns drop your 17 litres of G12+ coolant
> and
> distilled water all over the road due to a leak, that alone is worth
> over $100 to replace.
>
> As well, those who've already been through an expensive engine rebuild
> at great expense ($thousands), inconvenience and trauma, due to having
> NOT noticed the flashing LED early enough, they may appreciate this
> peace of mind mod.
>
>
>
>
Phill,
 
When you are on a fire trail and have all your concentration on the terrain, it is very easy to miss a small blinking light on the instrument panel.  Distractions abound in everyday driving, which also makes it easy to miss.  As did my former wife in her Golf, running late to get to Tullamarine, in heavy peak hour traffic on a less than familiar route......  
 
Mercifully, no lasting damage was done.  She got a taxi while I retrieved the Golf.  The Golf also had a warning light, which she missed.  That was when I found this aftermarket warning device, with a piezo that no one could miss, no matter what.  Critical functions in aircraft are backed up with audible warning devices, and for much the same reasons as above.
 
With most of my air cooled VW's in years gone by, I used an audible warning for oil pressure because the time lapse between the oil light coming on and expensive engine failure is very short indeed.
 
Les
 
----- Original Message -----
Sent: Friday, May 11, 2007 9:22 AM
Subject: Re: Re: [Syncro_T3_Australia] Low coolant level ... audible alarm

But they already have a low level warning fitted standard?

Phill

Ken's comment says it all:

".... those who've already been through an expensive engine rebuild at great expense ($thousands) , inconvenience and trauma, due to having NOT noticed the flashing LED early enough, they may appreciate this peace of mind mod....."
>

It probably wouldn't be too difficult to connect it to the dynamic oil pressure audible warning that is already fitted.

Phill



> Les Harris <leslieharris@optushome.com.au> wrote:
>
> Phill,
>
> When you are on a fire trail and have all your concentration on the
> terrain, it is very easy to miss a small blinking light on the
> instrument panel. Distractions abound in everyday driving, which also
> makes it easy to miss. As did my former wife in her Golf, running late
> to get to Tullamarine, in heavy peak hour traffic on a less than
> familiar route......
>
> Mercifully, no lasting damage was done. She got a taxi while I
> retrieved the Golf. The Golf also had a warning light, which she
> missed. That was when I found this aftermarket warning device, with a
> piezo that no one could miss, no matter what. Critical functions in
> aircraft are backed up with audible warning devices, and for much the
> same reasons as above.
>
> With most of my air cooled VW's in years gone by, I used an audible
> warning for oil pressure because the time lapse between the oil light
> coming on and expensive engine failure is very short indeed.
>
> Les
>
> ----- Original Message -----
> From: plander@optusnet.com.au
> To: Syncro_T3_Australia@yahoogroups.com
> Cc: Syncro_T3_Australia@yahoogroups.com
> Sent: Friday, May 11, 2007 9:22 AM
> Subject: Re: Re: [Syncro_T3_Australia] Low coolant level ... audible
> alarm
>
>
> But they already have a low level warning fitted standard?
>
> Phill
>
> Ken's comment says it all:
>
> ".... those who've already been through an expensive engine rebuild at
> great expense ($thousands), inconvenience and trauma, due to having NOT
> noticed the flashing LED early enough, they may appreciate this peace of
> mind mod....."
> >
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