A snow/ice storm and my A4Q (longish)...

[quk@sievers.com (Phil Payne)]

In message <m0w7dRm-000AgDC@rutil.Informatik.Uni-Oldenburg.DE> "Martin Friedrich" writes:

> > If you have a quattro with lockable differentials you will also see this 
> > light illuminated when you have any of the differentials locked ...
> 
> Which brings me to a question I had in mind already for some time:
> Why do ABS and locking the rear diff manually exclude themselves?

I don't know, but we debated this here a while ago.

On the TORSEN versions of the ur-quattro, only the rear differential _can_ be 
locked, and even then it unlocks itself at 25kph.  But the ABS system only has 
one channel for the rear axle anyway - so why does it make any difference?

--
 Phil Payne
 phil@sievers.com
 Committee Member, UK Audi [ur-]quattro Owners Club