Clutch System: General: Troubleshooting
PROBLEM SYMPTOM TABLE - CLUTCH SYSTEM
| Trouble symptom | Probable cause | Remedy | |
|---|---|---|---|
Clutch slipping
|
Insufficient pedal free play Clogged hydraulic system Excessive wear of clutch disc facing Hardened clutch disc facing, or oil on surface Damaged pressure plate or flywheel Weak or broken pressure spring |
Adjust Correct or replace parts Replace Replace Replace Replace |
|
| Difficult gear shifting (gear noise during shifting) | Excessive pedal free play Hydraulic system fluid leaks, air trapped or lines clogged Unusual wear or corrosion of the clutch disc spring Excessive vibration (distortion) of the clutch disc |
Adjust Repair or replace parts Replace Replace |
|
| Clutch noisy | When the clutch is not used | Insufficient play of the clutch pedal | Adjust |
| Excessive wear of the clutch disc facing | Replace | ||
| A noise is heard after the clutch is disengaged | Unusual wear and/or damage of the release bearing | Replace | |
| A noise is heard when the clutch is disengaged | Insufficient grease on the sliding surface of the bearing sleeve | Repair | |
| Improperly installed the clutch assembly or bearing | Repair | ||
| A noise is heard when the car suddenly jump starts with the clutch partially engaged | Damaged pilot bushing | Replace | |
| Hard pedal effort | Insufficient lubrication of the clutch pedal | Repair | |
| Insufficient lubrication of the spline part of clutch disc | Repair | ||
| Insufficient lubrication of the clutch release lever shaft | Repair | ||
| Insufficient lubrication of the front bearing retainer | Repair | ||
| Hard to shift or will not shift | Excessive clutch pedal free play Faulty clutch release cylinder Clutch disc out of place, runout is excessive or lining broken Dirty spline on input shaft or the clutch disc Faulty clutch pressure plate |
Adjust the pedal free play Repair the release cylinder Inspect the clutch disc Repair as necessary Replace the clutch cover |
|
| Clutch slips | Insufficient clutch pedal free play Clogged hydraulic system Clutch disc lining oily or worn out Faulty pressure plate Binding release fork |
Adjust the pedal free play Repair or replace parts Inspect the clutch disc Replace the clutch cover Inspect the release fork |
|
| Clutch grabs/chatters | Clutch disc lining oily or worn out Faulty pressure plate Bent clutch diaphragm spring Worn or broken torsion spring Loose engine mounts |
Inspect the clutch disc Replace the clutch cover Replace the clutch cover Replace the clutch disc Repair as necessary |
|
| Noisy clutch | Damaged the clutch pedal bushing Loose part inside housing Worn or dirty release bearing Sticking release fork or linkage |
Replace the clutch pedal bushing Repair as necessary Replace the release bearing Repair as necessary |
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