For 1990-2009 cars

Cause | Action
--- | ---
DEFINITION: Vibration from the clutch components during disengagement or engagement. Review the Symptoms - Clutch and perform the necessary inspections.
Excessive driveline torsional activity | Review the Roughness or Vibration in Propeller Shaft.
Clutch incorrectly installed | Remove the clutch and reinstall it correctly. Refer to Clutch Assembly Replacement .
Pilot bearing worn or damaged | Replace the pilot bearing. Refer to Clutch Pilot Bearing Replacement . Inspect the input shaft pilot bearing journal for wear or damage. Replace the input shaft. Refer to the transmission manufacturers service manual.
Transmission input splines worn or damaged | Inspect the clutch disc to input splines for wear or damage. Replace the input shaft if the splines are excessively worn. Refer to the transmission manufacturers service manual.
Clutch disc facings damaged | Replace the clutch assembly. Refer to Clutch Assembly Replacement .
Flywheel housing to the clutch housing excessive misalignment | Replace the faulty clutch housing. Refer to Clutch Housing Replacement .
Clutch out of balance | Replace the clutch assembly. Refer to Clutch Assembly Replacement .