Common Clutch Plate Failures and Causes
2025-06-30
Clutch slippage
Phenomenon: Insufficient power when starting or under heavy load, weak acceleration, and in severe cases, smoking and burning smell from the friction plates.
Cause:
Insufficient pedal free play, resulting in insufficient clamping force.
Oil stains, burns, hardening, or exposed rivets on the friction plate surface.
Weakened or broken pressure springs.
Incomplete separation
Phenomenon: Difficulty shifting gears, noticeable gear clashing in the transmission.
Cause:
Excessive pedal free play, insufficient pressure plate travel.
Inconsistent separation lever height, warped pressure and driven plates.
Abnormal noise
Phenomenon: Abnormal noise when the clutch engages or disengages.
Cause:
Lack of lubrication or damage to the release bearing.
Loose rivets on the driven plate hub, spline wear.
Shaking at start-up
Phenomenon: Vehicle body shakes when starting in gear.
Cause:
Inconsistent separation lever height, uneven pressure spring force.
Warped pressure and driven plates, spline wear on the driven plate hub.
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The clutch pressure plate needs to be checked regularly
