Even More Questions

[Huw Powell]

> >Most likely the vacuum pump for the brake assist, on the side of the
> >head.  Some say oil gets on the "wrong" side of the diaphragm, many
> >simply take them off, remove the drive rod and reinstall with no
> >calamities.  Your brake pedal will get hard to push if you operate the
> >brakes and the loud pedal at the same time, though.
>
> I was under the impression that these were no longer used in this model.  I
> thought the last year for this pump was 1987-ish.  Are you sure these still
> exist on a 1990???  My car "ticks" bad.....looking for anything to shut it
> up!!

I don't know when they vanished - probably wiht the 20v. The 10v type
89's have them.

--
Huw Powell

http://www.humanspeakers.com/audi/

http://www.humanthoughts.org/