[A4] clutch noise

[Scott DeWitt]

This is also common on the 5 cylinder cars, negative pressure in the 
crankcase causes air to leak into the crankcase through the rear main seal. 
This typically occurs at higher mileages, and when the seal is warm and 
pliable. To test, plug up the orifice tube for the crankcase ventilation 
system and see if it stops, or remove the dipstick and see if it stops.
----- Original Message ----- 
From: "Peter Kirby" <4pkirby at gmail.com>
To: <sdewitt at stx.rr.com>
Cc: "A4 list" <A4 at audifans.com>
Sent: Friday, May 12, 2006 10:44 AM
Subject: Re: [A4] clutch noise


I wondered that too but the noise is not a whine (as I'd expect from a
release bearing) but more like the sound you would get if you stuck
something into the blades of a fan.   It is completely silent until
the car has been running for about 20 minutes.

Peter

On 5/12/06, sdewitt at stx.rr.com <sdewitt at stx.rr.com> wrote:
> The noise it probably eminating from your release bearing, or your
> pressure plate.
>
> ----- Original Message -----
> From: Peter Kirby <4pkirby at gmail.com>
> Date: Friday, May 12, 2006 7:48 am
> Subject: [A4] clutch noise
> To: A4 list <A4 at audifans.com>
>
> > There seems to be a ticking or rattling sound that is related to
> > engine RPM coming from my A4's clutch when the car is hot (it is
> > completely quiet when the car is cold).  At first I thought it was a
> > heat shield on the exhaust but it is clearly engine speed related:
> > noticeable at idle and increasing loudness and frequency with
> > increasing engine RPM.
> >
> > If I press the clutch in, the noise is louder.
> >
> > Other than the noise the clutch feels 100% normal: no slipping, no
> > chatter, smooth engagement.
> >
> > Any thoughts on what this noise could be?  I saw on the SJM site that
> > earlier Audis (200TQ) had a service bulletin out for rattling of the
> > clutch disk.
> >
> > Thanks in advance.
> >
> > Peter
> > 2001 1.8T A4 (123000 km, original clutch)
> >
> > --
> > ps my peterk at nrs.mcgill.ca account will be dead soon.  Please make
> > sure to use my 4pkirby at gmail.com address in the future.
> > _______________________________________________
> > A4 mailing list
> > A4 at audifans.com
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> >
>


-- 
ps my peterk at nrs.mcgill.ca account will be dead soon.  Please make
sure to use my 4pkirby at gmail.com address in the future.