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Old 07-19-2003, 02:54 PM
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Join Date: Mar 2002
Location: Oklahoma, U.S.A.
Posts: 34
Staccato Squeal

In my '83 240D (215K miles) when accelerating in the lower gears I hear a staccato squeal which is loud enough to be heard only when the sunroof or windows are open. It occurs only under harder acceleration and the frequency increases with speed/rpm. Should I be looking toward one of the flex discs or perhaps the shaft bearing?

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Old 07-19-2003, 08:32 PM
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Join Date: Aug 2001
Location: Evansville, Indiana
Posts: 8,150
As in "chirp chirp chirp"?

If so, you are in the right place, but also suspect a dry drive shaft bearing and or dead tranny mount.

Just for kicks, check any engine shocks you have, too -- they can chirp when the engine mounts go flat.

Peter
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1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
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