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Old 11-09-2009, 09:41 AM
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X3-terrestrial X3-terrestrial is offline
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Location: N.Miss - Memphis,TN Area
 
Join Date: Aug 2008
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Mein Auto: '05 X3, '95 M3, '89 MkI
Clutch noise is another problem that may be tricky to pinpoint. If a squealing or chirping noise appears or goes away when the clutch pedal is depressed, the cause may be a bad release bearing. Other causes include a bad pilot bushing, a worn or defective input shaft bearing in the transmission, a worn, bent or improperly lubricated release fork, a worn input shaft, improper disc installation, misalignment, damaged bearing retainer, loose flywheel bolts, damaged disc splines, or worn stop pins or broken damper.

A growling or grinding noise when the clutch is engaged may be due to a bad transmission input shaft bearing.

A squealing sound that occurs when the clutch pedal is depressed and held is usually caused by a bad pilot bearing or bushing.

A chirping noise that intensifies when the pedal is slowly depressed would indicate a bad release bearing.

If you hear chirping while idling in neutral and the noise goes away when the pedal is slowly depressed, the fork/pivot ball contact point is making the noise


http://www.aa1car.com/library/2004/bf40459.htm
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