Failure on cover

2.1 Noise while depressing clutch pedal


Cause
• Off centering of the release bearing or mis-alignment of the main shaft.
Suggestion
• Replace the release bearing.
• Realign the engine and the gear box.

2.2 Burn marks on the pressure plate



Cause
• Oil or grease contamination on the clutch linings or on the pressure plate.
Suggestion
• Locate and repair all sources of contamination.
• Replace the clutch kit.
Solution
• Apply the correct quantity of grease on the clutch disc splines and the input shaft.
• Do not use contaminated pair of gloves.


2.3 Circular grooves appearing on the pressure plate



Cause
• Linings worn out, heads of the facing rivets are in contact with the pressure plate.

2.4 Finger worn asymmetrically




Symptom
• Shudder when start the car, difficult disengagement, noisy changing gear.
Cause
• Diaphragm spring was amounted asymmetrically
• Release bearing was not concentric.
• The main shaft was lead.
Solution
• Change a new cover.


2.5 The finger of clutch cover interfering with clutch disc




Cause
• The release bearing is over stroke which causes interfere.
• The clutch cover is incorrect.
• The clutch disc is incorrect.
• The size of clutch disc is out of tolerance.
• Not all the clutch with same dimension and amounting size could be used.
Suggestion
• Change a new clutch kit completely.