RE: 10v 5cyl clunk sound....ideas...

[raf40@oes.amdahl.com (Richard Funnell)]

It might also be a broken exhaust manifold stud(s), another classic
problem.  As the engine warms, the gap closes and the noise is reduced.

>It could be a cracked exhaust manifold. I had mine welded on my 83' Ur-q a
>couple of months ago. It was doing a clicking noise when cold....
>
>                Pierre.
>
>----------
>From:   owner-quattro@coimbra.ans.net on behalf of RCARSELLE@aol.com
>Sent:   Thursday, October 24, 1996 7:25 PM
>To:     quattro@coimbra.ans.net
>Subject:        10v 5cyl clunk sound....ideas...
>
>Hello...
>
>First let me thank everyone again who provided support and humour in the
>dealing with the insurance on the 88 5KCSTQ repairs......now to my current
>problem..
>
>my 90 90 front wheel drive 10v 5Cyl engine has always had the typical Audi
>lifter noise...118K miles, always run Redline, or Mobil 1 oil 10W or 15W full
>synth's... the engine has been great....still runs great...
>Recently...
>When the engine is cold, there is a periodic clunk or clack coming from the
>somewhere in the block..seems louder than a lifter...heck I wish it sounded
>like a lifter but it sounds harsher.....the sound is mostly noticed on clutch
>in between shifts when the rev's drop.... I can re-create by moving throttle
>plate by hand while listening and searching for the noise under the hood so I
>do not think it is tranny related...... I am stumped and nervous..anyone have
>any ideas ? I hope to hear from you engine guys out there; my father (also on
>this list) thought it was lifter but upon 2nd review......well he's nervous
>too...
>Hey I'll buy dinner for the Audinaut which diagnoses this one..I can provide
>more details via private mail (didn't want to clutter the list)
>Please provide any feedback to help troubleshoot
>RC
>90 90 - clacks when cold
>88 5KCSTQ - new exhaust, bumper coming soon
>Rob Carselle - Columbus, OH

Richard Funnell,
San Jose, California
'83 urQ
'87 560 SL