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Re: [Fwd: Euro-PTrain: 93 Audi Audi 90, Differential]
Gents, and ladies, I am not, as many seem to think, the originator of
the e-mail describing the supposed problem, I merely forwarded it to aid
the gentleman who posted it to iATN. But thanks anyway for your replies,
and I know he appreciates it too.
John
Ti Kan wrote:
> John Larson writes:
> > 1993 Audi Audi 90 2.8 L
> > ...
> > Hi Group, When rear wheel drive is selected the vaccuum
> > actuator is activated, the ABS off light comes on and the
> > rear diff indicator light comes on, around 40-50kph first
> > the selector button light goes out, than a few seconds
> > later the diff indicator goes out and the drive is
> > disengaged. Any suggestions would be appreciated. Please
> > also forward responses to automegalr@aol.com
>
> The button doesn't "select rear wheel drive". The car is full-time
> all-wheel drive. The button locks the rear differential to allow
> the car to get unstuck in really slippery stuff. It is only
> intended for use to get unstuck from a stopped condition, not during
> normal driving. Locking the differential disables ABS, hence the
> ABS-off light comes on too. The car automatically unlocks the rear
> differential when the speed is increased.
>
> Your description sounds like the car is working just fine.
>
> -Ti
> 98 A4 2.8 quattro
> 84 5000S 2.1 turbo
> 80 4000 2.0
> --
> /// Ti Kan Vorsprung durch Technik
> /// AMB Research Laboratories, Sunnyvale, CA. USA
> /// ti@amb.org
> ////// http://metalab.unc.edu/tkan/
> ///