Oil or grease contamination on friction surface
- Worn clutch disc facing fibers and dirtlodged between diaphragm spring and clutch coverhousing.
- 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
Cause
Excessive grease or low viscosity grease causes this problem.
Melted grease on friction material affected co-efficient of friction and caused slipping or judder.
Solution
Lightly grease spline, wipe off excessive grease after tentative installation and ensure there is smooth sliding of clutch disc on main drive shaft.
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