Check for a contaminated or warped flywheel.

Repair or replace the flywheel.

Check for a weak diaphragm spring.

Replace the pressure plate and clutch disc.

Check for a oily contamination of the clutch disc.

Replace the pressure plate and clutch disc.

Check for worn splines on the input shaft.

Replace the splines on the input shaft.

Check for a contaminated or warped flywheel.

Repair or replace the flywheel.

Check for a weak diaphragm spring.

Replace the pressure plate.

Check for a oily contamination of the clutch disc.

Replace the clutch disc.

Check for worn splines on the input shaft.

Replace the splines on the input shaft.

Check for a warped pressure plate or flywheel.

Replace the pressure plate or flywheel.