Clutch Disc Inspection

WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Remove the clutch disc.
Inspect the lining surface for discoloration and grease adhesion.
Inspect the torsion spring for weakness and the rivet for looseness.
Using a vernier caliper, measure the depth between the lining surface and the rivet head.
Minimum depth
1. 0.3 mm {0.012 in}
Fig 1: Measuring Depth Between Lining Surface And Rivet Head Using A Vernier Caliper
Courtesy of MAZDA MOTORS CORP.
- If it is less than the minimum specification, replace the clutch disc.
Measure the clutch disc runout using a dial gauge.
Maximum runout
1. 0.7 mm {0.028 in}
- If it exceeds the maximum specification, replace the clutch disc.
Fig 2: Measuring Clutch Disc Runout Using Dial Gauge
Courtesy of MAZDA MOTORS CORP.
Install the clutch disc.