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Re: [T3] IRS wheel bearing replacement ?


<x-charset iso-8859-1>From: "Jim Adney" <jadney@vwtype3.org>
>
> > > Are you sure that the bearing need to be replaced? They very
> > > seldom fail.
> >
> > 127k miles on the car. Rumbling from rear which increases when
> > cornering. Surely not CVs since they don't take the load ? I'll do the
> > pair since the other must be almost gone too.
>
> I would suspect the CV joint first. Are the CV boots completely
> intact? Try grabbing the axle and yanking it axially back and forth a
> few times. Often this alone will fix the sound, at least for awhile, or
> change it, just by virtue of redistributing the grease in there and/or
> leaving the CV joints in a different position. If it has ANY effect on
> the sound then I'd say that the problem is more likely there than in
> the bearings.
>
> CV joints are much more trouble prone than the bearings, and they
> do fail with sounds that change with cornering because the
> suspension squats differently and the CV angles change.

Ah. I hadn't thought of that. Thanks.

> I'd just hate to see you go to all this effort and discover that it fixed
> nothing.

I'd hate to go to all that effort too. Its below zero (C, not F) here ATM
and far too cold to be working outside. A quick tap with a mallet is my kind
of fix :-)
Watch this space.

Matt.

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