Check for the driver improperly operating the vehicle.

Correct the driver's operation of the vehicle as necessary.

Check for the insufficient oil or the leak at the oil pressure line.

Repair the leak or add the oil.

Check for a warped or worn clutch disc.

Replace the necessary clutch components. Refer to Clutch Assembly Replacement .

Check for worn splines on the input shaft.

Repair or replace the splines on the input shaft.

Check for a weak diaphragm spring.

Replace the necessary clutch components.