Inspect diaphragm spring wear which is in contact with a concentric slave cylinder bearing.
Check the clutch cover and disc surface for wear or cracks.
Check the clutch disc lining for slipping or oil marks.
Measure the depth from a clutch lining surface to a rivet. If the measured value is less than the specification below, replace it.
Standard value
Clutch disc thickness (A)[when free]:
8.5 ± 0.3 mm (0.3347 ± 0.012 in.)
Clutch disc rivet depth (B): 1.3 mm (0.0512 in.)