Clutch Disc Inspection

WARNING: This page is about a different variant/trim than selected.

Inspect the lining surface for discoloration and grease adhesion.
Inspect the torsion spring for weakness and the rivets for looseness.
Using a vernier caliper, measure the depth between the lining surface and the rivet head.
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 .)
  
  Fig 1: Measuring Depth Between Lining Surface And Rivet Head
  Courtesy of MAZDA MOTORS CORP.
Measure the clutch disc runout using a dial gauge.
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 .)
  
  Fig 2: Measuring Clutch Disc Runout Using Dial Gauge
  Courtesy of MAZDA MOTORS CORP.