CLUNK near the engine

[Kneale Brownson]

As I understand it, your car then would be subject to the noisy vacuum pump 
for the brake booster system.  Here's how one Q-Lister attacked that 
problem:   http://www.endosquid.com/audi/aud4kfix_vacpum.htm

At 03:48 PM 05/16/2001 -0400, Mathieu Tetrault wrote:

>i have a 1986 audi coupe gt automatic.
>
>-----Original Message-----
>From: Kneale Brownson [mailto:knotnook at traverse.com]
>Sent: Wednesday, May 16, 2001 3:45 PM
>To: Mathieu Tetrault; quattro at audifans.com
>Subject: Re: CLUNK near the engine
>
>
>If you have one of the Audi models with the vacuum-boosted power brake
>system, you may be hearing the piston in the engine block that pulls a
>vacuum on the vacuum reservoir.  It's best to indicate year/model
>information when asking a question regarding your car.
>
>
>
>At 02:10 PM 05/16/2001 -0400, Mathieu Tetrault wrote:
>
> >
> >When i start the car i hear a clunk sound near the fifth piston .  it
> >disapear after 2 minutes. someone tell me
> >  its normal , the car is cold and when its hot the piece
> >take expension and dont clunk anymore. but i know it cant
> >be better and the sound will be worst if i dont repair it.
> >Its sound like bad valve. i want to know if it hard to adjust or chage it
> >and if someone think its another thing.
> >
> >
> >thanks
> >
> >Mathieu
> >
> >
>
>