Thread: S500 Noise When Accelerating
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Old 11-03-2007, 12:10 AM
TMAllison TMAllison is offline
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Join Date: Feb 2004
Location: Walnut Creek, CA & 1,150 miles S of Key West
Posts: 4,874
Belt tensioner or motor mounts possibly although left motor mount is usally the first to go bad.

You can rule out the tensioner, idler pulley and damper (shock) by dropping the belt and running a COLD engine for NO more than 30 seconds with the belt removed.
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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)
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