Clutch Disc Inspection

1. Inspect the lining surface for discoloration and grease adhesion.
2. Inspect the torsion spring for weakness and the rivets for looseness.
3. Using a vernier caliper, measure the depth between the lining surface and the rivet head.

   Courtesy of MAZDA MOTORS CORP.

   Minimum clutch disc thickness 

   0.3 mm {0.01 in}

   • If it is less than the minimum specification, replace the clutch disc. (See CLUTCH UNIT REMOVAL/INSTALLATION .)
4. Measure the clutch disc runout using a dial gauge.

   Courtesy of MAZDA MOTORS CORP.

Maximum clutch disc runout 

0.7 mm {0.03 in}

• If it exceeds the maximum specification, replace the clutch disc. (See CLUTCH UNIT REMOVAL/INSTALLATION .)