[s-cars] Differential symptoms -- wha's going on?

[Sean Douglas]

Steve:

Correct me if I'm wrong, but don't all UrS cars have an open rear
differential? The only difference is the EDL on the later S6s and the manual
locker on the S4s.

Unless you or someone installed a V8 torsen differential, which is limited
slip.

Sean

> -----Original Message-----
> From: s-car-list-bounces at audifans.com [mailto:s-car-list-
> bounces at audifans.com] On Behalf Of Steve Voit
> Sent: July 5, 2007 10:13 PM
> To: s-car-list at audifans.com
> Subject: [s-cars] Differential symptoms -- wha's going on?
> 
> S-heads:
> 
> My newly installed EDU transmission is great.  Only hitch is that the car
> does not like big steering lock, such as in parking lot.  When I apply
> more
> steering than usually needed for the street the drivetrain seems to bind
> up,
> makes a rumble, and the tires seem to scuff, at least in smooth parking
> garages.  WTF???  Never happened with old transmission.  It's exactly like
> our 4x4 in low-range, except not as pronounced.
> 
> 
> 
> My neighbor (talented mechanic) suggests this may simply be an imperfect
> compatibility between the lubricant (Redline MT90) and the limited slip
> clutches, and he suggests an additive (I didn't get the name of it).   Do
> our cars have limited slip?
> 
> Comments very much appreciated.
> 
> Steve Voit
> 
> 95.5 S6
> 
> Seattle/Mercer Island
> 
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