Mazda 3 Service Manual: Clutch Cover Inspection [C66 M R]

1. Remove the clutch cover..

2. Perform the following procedures to inspect the clutch cover.

• If it exceeds the maximum specification, replace the clutch cover..

a. Measure the wear of the diaphragm spring fingers.

Clutch cover diaphragm spring fingers maximum depth

• 0.6 mm {0.02 in}

b. Measure the flatness of the pressure plate with a straight edge and a feeler gauge.

Maximum clearance of flatness of the pressure plate

• 0.3 mm {0.01 in}

c. Inspect the diaphragm spring fingers for the degree of uniformity in their height.

i. Install the clutch cover..

ii. When checking the diaphragm spring fingers, mount a dial gauge on the cylinder block.

iii. Rotate the flywheel and check for misaligned diaphragm spring fingers.

Clutch cover diaphragm spring fingers maximum height difference

• 1.0 mm {0.039 in}