Clutch Disc Inspection

WARNING: This page is about a different car, the 2004 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.

Fig 1: Measuring Depth Between Lining Surface & Rivet Head Of Clutch Disc
Courtesy of MAZDA MOTORS CORP.

Minimum depth

0.3 mm {0.012 in}
- If it is less than the minimum specification, replace the clutch disc.
Measure the clutch disc runout using a dial gauge.

Fig 2: Measuring Clutch Disc Runout
Courtesy of MAZDA MOTORS CORP.

Maximum runout

0.7 mm {0.028 in}
- If it exceeds the maximum specification, replace the clutch disc.
Install the clutch disc.