Operation CHARM: Car repair manuals for everyone.

Clutch Disc: Testing and Inspection




CLUTCH DISC INSPECTION

1. Remove the clutch disc.

2. Inspect the lining surface for discoloration and grease adhesion.

3. Inspect the torsion spring for weakness and the rivet for looseness.

4. Using a vernier caliper, measure the depth between the lining surface and the rivet head.






Clutch disc minimum thickness
- 0.3 mm {0.012 in}

- If it is less than the minimum specification, replace the clutch disc.

5. Measure the clutch disc runout using a dial gauge.






Clutch disc maximum runout
- 0.7 mm {0.028 in}

- If it exceeds the maximum specification, replace the clutch disc.

6. Install the clutch disc.