No Boost over 1.0

[Brandon Rogers]

If the shaft is seized (totally seized), wouldn't the car only make vacuum -
i.e. not even get to atmosphere?

Leszek - Pull the codes if you can- either blink them out or use Pro-Diag or
something..  Try letting the car do some of it's own diagnosis.

Brandon

----- Original Message ----- 
From: <SuffolkD at aol.com>
To: <200q20v at audifans.com>; <pcschulz at comcast.net>; <libenaudi at yahoo.com>
Sent: Wednesday, September 08, 2004 12:06 PM
Subject: Re: No Boost over 1.0


>
> Peter et al:
> 0.1 bar is nearly less than 1.4 PSI
> Either the leak is severe or maybe the turbo shaft is siezed?
> Some valve or discharge diaphram open?  Like the wastegate?
> Some ideas.......... - Scott by BOSTON
>
> > From: Peter Schulz <>
> >
> > Bucking is indicative of a boost leak...and since you are not making
over
> > 1bar (atmospheric pressure), its a BIG leak
> >
> > Make sure that the bottom of the michelin man hose is actually sealing
> > around the intake pipe, I've done this before and had the lower part
curl
> > over.
> > Do the obvious thing of visually checking all the major hoses and making
> > sure the clamps are tight.
> >
> > Check the vacuum hoses around the back of the intake manifold under the
ISV
> >
> >
> > -Peter
> >
> > At 09:31 AM 9/8/2004, Audi Quattro wrote:
> > >I recently replaced the MM hose, so thats not the culprit robbing me of
my
> > >boost.
> > >Lower hose seems fine
> > >any other ideas? Car pulls till about 1.0 -1.1 and then start to hickup
> > >surging back and forth badly.
> > >
>
>
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