Discoloration on friction surface and/or clutch cover
- 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
Extreme friction surface temperature raise under extreme clutch operation. This may cause discoloration of clutch.
Solution
Driver education not to activate the clutch in excessive semi disengagement position.
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