Clutch Industries - Australia's world class clutch manufacturer
Burn marks on the flywheel

Cause

  • Excessive greasing of the spline hub when installed.

Repair

  • Clean the flywheel and replace the clutch kit.

Caution

  • Apply the correct amount of grease on the clutch disc splines and the input shaft
Burn marks on diaphragm

Cause

  • Oil or grease contamination on the clutch linings or on the pressure plate.

Repair

  • Locate and repair all sources of contamination.
  • Replace the clutch kit.

Caution

  • Apply the correct quantity of grease on the clutch disc splines and the input shaft. Do not use contaminated pair of gloves.
Heat spots on pressure plate/flywheel

Cause

  • Excessive slipping due to aggressive driver/overloading
  • Clutch operating system is badly adjusted or defective.

Repair

  • Replace clutch kit and resurface or replace flywheel.
  • Inspect and adjust actuation system.

Caution

  • Driver education may be required.
Burn marks on the flywheel, Heat spots on pressure plate/flywheel, Failure to resurface flywheel, Clutch facing completely worn, Clutch lining damaged.
Failure to resurface flywheel

Cause

  • Excessive slipping or shudder due to flywheel friction surface being too smooth or not flat.

Repair

  • Resurface or replace flywheel.

Caution

  • Flywheel should be replaced or resurfaced.
Clutch facing completely worn

Cause

  • Use over product lifetime.
  • Prolonged clutch slippage due to a malfunction or extremely severe use.
  • Disc not changed during a previous flywheel / cover replacement.

Repair

  • Replace clutch kit & replace/resurface flywheel.

Caution

  • If wear is premature further troubleshooting may be required or
    driver education.
Clutch lining damaged

Cause

  • Excessive slippage due to aggressive driving or overloading.
  • The clutch operating system is badly adjusted or defective.

Repair

  • Replace the clutch kit.
  • Replace or machine evenly the flywheel.
Circular grooves appearing on the pressure plate

Cause

  • Linings worn out, heads of the facing rivets are in contact with the pressure place.

Repair

  • Replace clutch kit.
Clutch lining contaminated with oil or grease

Cause

  • Excessive greasing of the spline hub when installed.
  • Oil leakage from engine or gear box.

Repair

  • Replace the clutch disc.
  • Locate and repair all sources of contamination.

Caution

  • Apply the correct amount of grease on the clutch disc splines and the input shaft.
Deformation of the clutch disc

Cause

  • Deformed during delivery or handling.
  • Deformed during installation (weight of the gear box, dropped).
  • Deformation due to overheating during slippage.

Caution

  • Handle with care.
  • Do not place the clutch disc under a weight.