Operation CHARM: Car repair manuals for everyone.

Pressure Plate: Testing and Inspection

CLUTCH COVER INSPECTION

1. Remove the clutch cover.





2. Measure the wear of the diaphragm spring fingers using a vernier caliper.

Maximum wear
0.6 mm (0.024 in)

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





3. Measure the pressure plate flatness using a straight edge and a feeler gauge.

Note
^ Measure the pressure plate flatness across the center.

Maximum flatness
0.5 mm (0.020 in)

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





4. Attach a dial gauge to the rear housing, rotate the flywheel, then inspect for height difference between the diaphragm spring fingers.

Maximum height difference
1.0 mm (0.039 in)

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