Scrubbing Rear in Tight Corners + Vibrations

[JShadzi at aol.com]

As far as the groaning noise from the back, I get it too, all type 89's with the torsen do.  The factory had some TSB's about it.
Javad

In a message dated Fri, 7 Dec 2001  1:43:48 PM Eastern Standard Time, "Alexander van Gerbig" <Audi_80 at email.msn.com> writes:

>     Well ever since I put on the 225/40's on the 90q20v I've noticed that in
> parking lots or other very tight corner situations at low speeds I get lots
> of scrubbing noises from the rear.  Makes quite a large amount of vibration
> and noise.  I figured this was normal with the wider tires, but I am just
> looking for some confirmation.  With the diff locked it make MUCH louder
> scrubbing noises, tried this twice to confirm the diff wasn't staying locked
> causing the noise and vibrations.  Will these noises be louder with the
> wider tires?
>
>     Also I still have that vibration at 6k rpm plus.  I can't seem to find
> the source, but new engine mounts did help a bit.  I have new tranny mounts
> but haven't found the time to install them yet.  The driveshaft spins
> smoothly and that center carrier bearing seems tight to me.  I will do all
> the mounts eventually and see if that kills the problem for good.  Though
> there is a vibration happening somewhere which worries me slightly.  The
> diff fluid level was about 1/3 down when it got checked some months back,
> but I can't find any leaks.  Hoping that rear diff is ok!
>
> Thanks!
>
> Alexander van Gerbig -- '90 90q20v -- '88 80t (R.I.P)
>
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