Clutch Disc Inspection

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

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.

Fig 1: Measuring Depth Between Lining Surface And Rivet Head Using Vernier Caliper
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 .)
Measure the clutch disc runout using a dial gauge.

Fig 2: Measuring Clutch Disc Runout Using 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 .)