Cruise Control Problems
audi at humanspeakers.com
Mon May 15 15:44:03 EDT 2006
> Probably a bad vacuum pump. Fortunately they are the same on every
> VW/Audi product I own, in fact I stuck the one from my 82 Audi Coupe
> into my 90 200, working great now.
When I rebuilt the cruise system on my coupe I cherry picked among about
7 pumps by timing how fast they could pull a servo all the way in. This
ranged from a few seconds through half a minute, to one that could not
generate enough vacuum to go more than half way.
More information about the quattro