[s-cars] Two Mechanical Problems at the track

[Kirby Smith]

The power-steering punp and the hydraulic circuit pump are in the same
housing.

kirby

Bruce wrote:
>
> 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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