Re: grinding sound in rain - '91 200q

[quk@isham-research.demon.co.uk (Phil Payne)]

In message <000001bf298e$a527b140$93fefea9@neptune> agaidos@got.net writes:

>  I was driving the '91 200q home in a heavy down poor doing about 55-60 mph
> when I started hearing a grinding like sound from the driver's side front of
> the car. It would come and go with no regularity. Everything seemed fine -
> brakes worked, engine was running fine, etc..

Check that you can get the handle of a hammer between the exhaust and
the transmission all the way down.  If you can't, just force it in,
loosen the exhaust clamps, retighten, take the hammer out and go look
for more rain.

The problem is caused by differential cooling of the exhaust pipe.  It
gets hot, like they do, and then the spray mostly hits one side of it.
This causes it to curve slightly and touch the prop shaft.

--
 Phil Payne
 UK Audi quattro Owners Club
 Phone: 07785 302803   Fax: 0870 0883933