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Re: Rumbling from 1991 200 Turbo Quattro

My first thought would have been the turbo bypass valve bleeding off boost -
but not if the car is not in motion. Loose exhaust braket maybe??

mike miller
91 200q
-----Original Message-----
From: jonathan rudlin <jrudlin@ets.org>
To: quattro@coimbra.ans.net <quattro@coimbra.ans.net>
Date: Thursday, March 05, 1998 3:20 PM
Subject: Rumbling from 1991 200 Turbo Quattro

>I just acquired a 1991 200TQ that is making a very strange noise which my
>mechanic believes is normal--but I'm getting very tired of.  When I release
>the gas at above 4000 rpm, there's a strange noise from beneath the car.
>As far as I can tell, this happens whether or not the car is in motion.  My
>mechanic suggests that this is fairly common on the 20 valve turbo engines,
>and I'm hoping someone out there might know something more about it--and
>how to get rid of it.