What Causes Abnormal Noise from the Clutch?

[Maximilian]

Abnormal noise from the clutch can be caused by: 1. Severe wear or lack of lubrication in the release bearing, or a soft, broken, or detached release bearing return spring. If a 'grinding' noise is heard when slightly depressing the clutch pedal, causing the release lever to contact the release bearing, it indicates abnormal noise from the release bearing. If the noise persists after lubrication, the bearing is excessively worn and should be replaced. 2. Loose rivets on the driven plate, fractured steel plates, or broken damping springs. If the noise occurs when the pedal is fully depressed and disappears upon release, it suggests loose or broken clutch damping springs. 3. Broken clutch pressure plate springs or a loose release bearing. If the noise occurs when the clutch is just engaging or disengaging while repeatedly pressing the pedal, it indicates loose rivets or excessive spline wear. 4. Broken or excessively worn release levers, or broken adjustment bolts on the release levers. If there is intermittent knocking noise, it may be due to axial play in the release bearing, requiring replacement of the release bearing return spring.