[s-cars] Two Mechanical Problems at the track

[Bruce]

Thanks all. It definitely sounds like volcano syndrome. God I love this
list. Without it, I could just see bringing it to a dealer  and having them
scratch their heads for two weeks!

One thing I am a little confused about when it refers to "the pump" sucking
in air. Is that the PS pump, or a separate hydraulic pump?

Any thoughts on boost issue? Take says dead WGFV would cause boost to go to
stock levels, which was my understanding too. But I am still seeing ~18 lbs.
So seems to rule out WGFV? Maybe bypass valve going bad? Or something else
(shiver).

Bruce
93 S4
----- Original Message -----
From: "Fred Munro" <munrof at sympatico.ca>
To: "'Bob Rossato'" <bob.rossato at att.net>; "Bruce" <brucem105 at comcast.net>;
<s-car-list at audifans.com>
Sent: Sunday, June 30, 2002 9:33 AM
Subject: RE: [s-cars] Two Mechanical Problems at the track


> Bruce;
>
> As Bob mentioned, this sounds like the Type 44 "volcano syndrome". I
> believe it is caused by an air leak on the intake side of the pump pulling
> air into the oil, creating foam. The increased volume of the foam/oil mix
> causes it to overflow the reservoir.
>
> As per Bob's advice, search the archives for "volcano".
>
> HTH
>
> Fred Munro
> '94 S4
>
>
> -----Original Message-----
> From: Bob Rossato [SMTP:bob.rossato at att.net]
> Sent: Saturday, June 29, 2002 7:55 PM
> To: Bruce; s-car-list at audifans.com
> Subject: RE: [s-cars] Two Mechanical Problems at the track
>
> > 2. Hydraulic Problem - I got a brake warning light, and then the
> > steering got harder to turn and made a consistent groaning noise.
> > Then the brake pedal went hard as a rock with no power assist and
> > REALLY long stopping distances. I looked under hood, and
> > hydraulic fluid was bubbling out of the container and had wet a
> > good part of the engine near the container. I stopped car, and
> > fluid level went down to between low and high markings. Then
> > started it, and it slowly built back up until it started bubbling
> > out again. I also noticed a belt chirping/squeaking noise at idle
> > that was not there this morning.
> >
>
> Isn't this the infamous volcano syndrome?  I believe it is bomb failure
> related but I never really paid attention to all the details in previous
> posts regarding this problem.  Search the main quattro archives at
> audifans.com for "volcano".  That might get you started.
>
> Bob
>
>
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