Distorted retracter leaf spring / Faulty with gap above diaphragm spring

Faulty under diaphragm spring

Clutch diaphragm fingers or levers are uneven

Diaphragm fouled on clutch disc

Worn clutch disc facing fibers and dirtlodged between diaphragm spring and clutch coverhousing.

Excessive wear on diaphragm tips

Oil or grease contamination on friction surface

Discoloration on friction surface and/or clutch cover

Warped clutch cover assembly by reuse

Hold down bolts still in cover assembly

Mirror finish on pressure plate friction surface

Burst pressure plate casting

Interference with the other part

The position of clutch cover holes is not aligned with flywheel

Abnormal sound with foot off clutch pedal (metal squeaking sound). Sound disappears with light pressure or full depression of the clutch pedal is applied.

Clutch cover and Flywheel unavailable to install. (Flywheel knock pin cannot be installed, Bolt hole unmatch)