Re: Crank Seal

["Fred Munro" <munrof@isys.ca>]

Hi Richard;

    Mine whistled at idle and stopped whistling after 2 minutes running or
above 2000 RPM. Sounds like you have a different problem. Have you checked
the alternator & belt tension? The alternator is under high load after a
cold weather start.

Fred Munro
'94 S4  94k km

----- Original Message -----
From: "Richard Beels" <beels@technologist.com>
To: <quattro@audifans.com>
Sent: Wednesday, December 08, 1999 11:06 PM
Subject: Re: Crank Seal


> This thread is really funny.  Mine makes the whistle when it's cold.  It
> did it last winter.  I replaced the oil seal when I did my belt this
> fall.  It still whistles.  Happens around 2700-3000 RPMs when cold.
>
> WTF!
>
> At 10:17 PM 12/7/99 ,  Fred Munro was inspired to say:
> >Hi Iain;
> >
> >     The seal is designed to keep oil in more than it is designed to keep
air
> >out. The seal lips face inward and the seal is open to the inside, so oil
> >pressure forces the lips against the crank. Air pressure from the outside
> >pushes the seal lips away from the crank, so I would think it is possible
to
> >leak air and not oil. Besides, I had this whistle on my '91 200q and it
went
> >away when I replaced the oil seal as part of the t-belt job. It didn't
leak
> >any oil, but had an ear-piercing whistle when first started in winter.
> >
> >Fred Munro
> >'94 S4  93k km
> >
> >----- Original Message -----
> >From: "Iain Atkinson (ETL)" <iain.atkinson@etl.ericsson.se>
> >To: "'Alexander van Gerbig'" <Audi_80@email.msn.com>
> >Cc: <quattro@audifans.com>
> >Sent: Tuesday, December 07, 1999 2:32 AM
> >Subject: RE: Crank Seal
> >
> >
> > > Alexander
> > >
> > > I would like to know how the seal whistles if it doesn't leak oil, one
> >would assume that if air can pass then so can oil. Does it leak oil?????
> > >
> > >
> > > Iain
> > >
> > > -----Original Message-----
> > > From: Alexander van Gerbig [mailto:Audi_80@email.msn.com]
> > > Sent: 06 December 1999 18:37
> > > To: quattro@audifans.com
> > > Subject: Crank Seal
> > >
> > >     It seems as if my front crank seal is bad.  The loud whistling
noise
> > > must be the crank seal since after adjusting the alternator/water pump
> >belt
> > > the noise persisted.  I pulled the dipstick when the whistling was
> >happening
> > > and then allowed the engine to sit for a sec, then I revved and the
noise
> > > was gone.  I assume that is a good indication that the seal is bad.
How
> > > pertinent a job is this?  I also have a popping noise which sounds
like
> >air
> > > moving around down there.  Is this an ASAP job?
> > >
> > > Thanks!
> > >
> > > Alexander van Gerbig -- '88 Audi 80
> > >
> > > The Audi 80 Pages-----------------------
> > > http://surf.to/the80pages.com
> > >
> > > Katonah, NY 10536
> > >
> > >
> > >
> > >
>
>
> Cheers!
>
>