For 1990-2009 cars

Checks | Actions
--- | ---
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.