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Old 10-04-2002, 04:31 PM
G-Benz's Avatar
G-Benz G-Benz is offline
Razorback Soccer Dad
Join Date: Apr 2001
Location: Dallas/Fort-Worth
Posts: 5,711
My first guess without actually being there is that the belt tensioner shock bushing has worn out to the point that the shock is just banging around where it mounts...

...the noise (which most describe as a connecting rod about to self-destruct) usually occurs at idle, but disappears when the car is in motion.

If it is indeed the belt tensioner, then you can push against the shock mount and the noise will immediately disappear. Then you're talking about a costly $2.00 repair for replacing the worn bushing!
2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car
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