front cv noise

1
Hi all,

can I have some thoughts on this problem ?
Front right CV ( at least that's where it seems to be ) makes a knock
on the first turn after I move off. Usually after stopping for awhile.
Otherwise not noticeable.
And more pronounced after fitting a spring lift kit.
Does this mean the CV is on the way out ?
How to check ?

regards,

Mark
2
AT LEAST it means that it's desperately missing grease. Might be the
vc boot that is torn, or "simply" run dry. You might be able to simply
put new grease and a new boot and dive it for a while without
problems. In any case: The CV has worn out in a specific position for
the last 100k miles. Now that you installed a lit kit, the CV is
forced out of the long worn paths, which leads to quicker destruction,
as the balls have to jump over the edges of the old paths every time.
Best thing would simply be a new CV. I'd suspect other CVs to show
same signs soon, too, unless you quickly re-grease to ease their pain
introduced through the lift kit.

Have fun,

Martin

On 15.12.2008, at 14:06, m.mullet wrote:

> Hi all,
>
> can I have some thoughts on this problem ?
> Front right CV ( at least that's where it seems to be ) makes a knock
> on the first turn after I move off. Usually after stopping for awhile.
> Otherwise not noticeable.
> And more pronounced after fitting a spring lift kit.
> Does this mean the CV is on the way out ?
> How to check ?
>
> regards,
>
> Mark
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>



--
Martin Henning, DM5OY
martin@easy2design.de
http://log.tigerbus.de
3

Gday Martin,

read this article, gives you a pretty fair insight into CV maintenance, together with what's on this subject in Bentleys.

Goto: http://www.van-cafe.com/home/van_1223689737929/page_16_9/cv_joint_maintenence.html

Although for the fronts, unlike the procedure as stated in the article, don't hold me to this but I think you can get the front axles out by loosening the front diff and shoving it sideways as far as possible to get enough clearance to pull one at a time ... someone else should be able to confirm or deny this.

Before loosening and shifting a front diff, paint some accurate and durable white paint alignment marks on mating surfaces (forwards/backwards and side to side) 24 hours before commencing work, then it's simply a matter of returning the diff back to the alignment marks during reinstall.

Is the cv boot split? If it is, you know what to do.

If it's not, when did you last grease the CV's? If you haven't and you aren't convinced yet to pull the cv's and axles to check/lubricate properly, then as the article says, at least inject some grease into the boots and hand massage the boots to push the grease into the cv joints ... not a perfect solution but a whole lot better than running dry cv's. I did a bit of an add-on mod  attachment to my grease gun to gun grease into the boots. Using an injection needle as the article says is way to slow and frustrating.

Swapping over the axles side to side as per article is worth considering, if in your opinion the joints still have some life in them.

Cheers.

Ken

 


--- In Syncro_T3_Australia@yahoogroups.com, Martin Henning <martin@...> wrote:
>
> AT LEAST it means that it's desperately missing grease. Might be the
> vc boot that is torn, or "simply" run dry. You might be able to simply
> put new grease and a new boot and dive it for a while without
> problems. In any case: The CV has worn out in a specific position for
> the last 100k miles. Now that you installed a lit kit, the CV is
> forced out of the long worn paths, which leads to quicker destruction,
> as the balls have to jump over the edges of the old paths every time.
> Best thing would simply be a new CV. I'd suspect other CVs to show
> same signs soon, too, unless you quickly re-grease to ease their pain
> introduced through the lift kit.
>
> Have fun,
>
> Martin
>
> On 15.12.2008, at 14:06, m.mullet wrote:
>
> > Hi all,
> >
> > can I have some thoughts on this problem ?
> > Front right CV ( at least that's where it seems to be ) makes a knock
> > on the first turn after I move off. Usually after stopping for awhile.
> > Otherwise not noticeable.
> > And more pronounced after fitting a spring lift kit.
> > Does this mean the CV is on the way out ?
> > How to check ?
> >
> > regards,
> >
> > Mark
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>
>
>
> --
> Martin Henning, DM5OY
> martin@...
> http://log.tigerbus.de
>

4
s/Martin/Mark/

:)



On 16.12.2008, at 03:26, Ken wrote:

> Gday Martin,
>
> read this article, gives you a pretty fair insight into CV
> maintenance, together with what's on this subject in Bentleys.
>
> Goto: http://www.van-cafe.com/home/van_1223689737929/page_16_9/cv_joint_maintenence.html
>
> Although for the fronts, unlike the procedure as stated in the
> article, don't hold me to this but I think you can get the front
> axles out by loosening the front diff and shoving it sideways as far
> as possible to get enough clearance to pull one at a time ...
> someone else should be able to confirm or deny this.
>
> Before loosening and shifting a front diff, paint some accurate and
> durable white paint alignment marks on mating surfaces (forwards/
> backwards and side to side) 24 hours before commencing work, then
> it's simply a matter of returning the diff back to the alignment
> marks during reinstall.
>
> Is the cv boot split? If it is, you know what to do.
>
> If it's not, when did you last grease the CV's? If you haven't and
> you aren't convinced yet to pull the cv's and axles to check/
> lubricate properly, then as the article says, at least inject some
> grease into the boots and hand massage the boots to push the grease
> into the cv joints ... not a perfect solution but a whole lot better
> than running dry cv's. I did a bit of an add-on mod attachment to
> my grease gun to gun grease into the boots. Using an injection
> needle as the article says is way to slow and frustrating.
>
> Swapping over the axles side to side as per article is worth
> considering, if in your opinion the joints still have some life in
> them.
>
> Cheers.
>
> Ken
>
>
>
> --- In Syncro_T3_Australia@yahoogroups.com, Martin Henning
> <martin@...> wrote:
> >
> > AT LEAST it means that it's desperately missing grease. Might be the
> > vc boot that is torn, or "simply" run dry. You might be able to
> simply
> > put new grease and a new boot and dive it for a while without
> > problems. In any case: The CV has worn out in a specific position
> for
> > the last 100k miles. Now that you installed a lit kit, the CV is
> > forced out of the long worn paths, which leads to quicker
> destruction,
> > as the balls have to jump over the edges of the old paths every
> time.
> > Best thing would simply be a new CV. I'd suspect other CVs to show
> > same signs soon, too, unless you quickly re-grease to ease their
> pain
> > introduced through the lift kit.
> >
> > Have fun,
> >
> > Martin
> >
> > On 15.12.2008, at 14:06, m.mullet wrote:
> >
> > > Hi all,
> > >
> > > can I have some thoughts on this problem ?
> > > Front right CV ( at least that's where it seems to be ) makes a
> knock
> > > on the first turn after I move off. Usually after stopping for
> awhile.
> > > Otherwise not noticeable.
> > > And more pronounced after fitting a spring lift kit.
> > > Does this mean the CV is on the way out ?
> > > How to check ?
> > >
> > > regards,
> > >
> > > Mark
> > >
> > >
> > > ------------------------------------
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > >
> >
> >
> >
> > --
> > Martin Henning, DM5OY
> > martin@...
> > http://log.tigerbus.de
> >
>
>



--
Martin Henning, DM5OY
martin@easy2design.de
http://log.tigerbus.de