Clutch Chatter or Shudder Inspection and Verification

Clutch Chatter or Shudder Inspection and Verification
1. Raise and support the vehicle.
2. Inspect the engine and transmission mounts for looseness and damage.
^ If the mounts are OK, proceed to the next step in this procedure.
^ If the mounts are loose or damaged, tighten, or install new mounts as necessary. Test the system for normal operation. Proceed to the next step in this procedure, if necessary.
3. Check for loose bolts that retain the clutch pressure plate to the flywheel.
^ If the bolts are tightened to specification, proceed to the next step in this procedure.
^ If the bolts are loose, tighten the bolts to specification. Test the system for normal operation. Proceed to the next step in this procedure, if necessary.
4. Remove the clutch disc and pressure plate. Inspect the clutch disc and pressure plate for wear and damage, and check the clutch disc runout. Inspect the flywheel for glazing and damage. Check the flywheel runout. Inspect the input shaft for wear, damage and eccentricity. Repair all components as necessary. Test the system for normal operation.