GM Service Manual Online
For 1990-2009 cars only

Probable Cause

Action

The clutch driven plate is oil soaked.

  1. Replace the clutch driven plate.
  2. Correct the oil leak.
  3. • For the clutch driven plate replacement procedure, refer to Clutch Pressure Plate and Clutch Driven Plate .
    • For oil leak diagnosis information, refer to Oil Leak Diagnosis in Engine Mechanical.

The clutch driven plate has been overheated.

  1. Allow the system to cool, if necessary.
  2. Inspect the clutch driven plate for damage.
  3. Replace the clutch driven plate, if necessary.

Refer to Clutch Pressure Plate and Clutch Driven Plate .

The clutch driven plate is not seated.

Attempt to seat the clutch driven plate:

Make 30 to 40 normal starts. DO NOT overheat.

The facing are worn or torn from the clutch driven plate.

Replace the clutch driven plate.

Refer to Clutch Pressure Plate and Clutch Driven Plate .

The clutch pressure plate diaphragm spring is weak.

  1. Inspect the condition of the clutch pressure plate diaphragm spring.
  2. Replace the clutch pressure plate, if necessary.

Refer to Clutch Pressure Plate and Clutch Driven Plate .

The clutch pressure plate and or the engine flywheel are warped

  1. Measure the runout of the clutch pressure plate and the engine flywheel.
  2. The runout of the clutch pressure plate or the engine flywheel should not exceed:
  3. Specification
    1.25 mm (0.050 in)

  4. Replace the clutch pressure plate and or the engine flywheel, if necessary.
  5. • For the clutch pressure plate replacement procedure, refer to Clutch Pressure Plate and Clutch Driven Plate .
    • For the engine flywheel replacement procedure, refer to Engine Flywheel Replacement in Engine Mechanical.