Clutch System: Troubleshooting
TROUBLESHOOTING
| Symptom | Probable cause | Remedy | |
|---|---|---|---|
Clutch slipping
|
Insufficient clutch pedal free play | Adjust | |
| Clogged hydraulic system | Correct or replace parts | ||
| Excessive wear of clutch disc facing | Replace | ||
| Hardened clutch disc facing, or oil on surface | Replace | ||
| Damaged pressure plate or flywheel | Replace | ||
| Weak or broken pressure spring | Replace | ||
| Difficult gear shifting (gear noise during shifting) | Excessive pedal free play | Adjust | |
| Hydraulic system fluid leaks, air trapping or clogging | Repair or replace parts | ||
| Unusual wear or corrosion of clutch disc spline | Replace | ||
| Excessive vibration (distortion) of clutch disc | Replace | ||
| Clutch noisy | When clutch is not used | Insufficient play of clutch pedal | Adjust |
| Excessive wear of clutch disc facing | Replace | ||
| A noise is heard after clutch is disengaged | Unusual wear and/or damage of release bearing | Replace | |
| A noise is heard when clutch is disengaged | Insufficient grease on the sliding surface of bearing sleeve | Repair | |
| Improperly installed clutch assembly or bearing | Repair | ||
| A noise is heard when car is suddenly rolled with clutch partially engaged | Damaged pilot bushing | Replace | |
| Difficult to depress clutch pedal | Insufficient lubrication of clutch pedal | Repair | |
| Insufficient lubrication of the clutch disc spline | Repair | ||
| Insufficient lubrication of the clutch release lever shaft | Repair | ||
| Insufficient lubrication of front bearing retainer | Repair | ||
| Difficult to shift gear or cannot shift at all | Excessive clutch pedal free play excessive | Adjust pedal free play | |
| Clutch release cylinder faulty | Repair release cylinder | ||
| Clutch disc out of true, runout is excessive or lining broken | Inspect clutch disc | ||
| Spline on input shaft or clutch disc dirty or burred | Repair as necessary | ||
| Clutch pressure plate faulty | Replace clutch cover | ||
| Clutch slips | Clutch pedal free play insufficient | Adjust pedal free play | |
| Clogged hydraulic system | Repair or replace parts | ||
| Clutch disc lining oily or worn out | Inspect clutch disc | ||
| Pressure plate faulty | Replace clutch cover | ||
| Release fork binding | Inspect release fork | ||
| Clutch grabs/chatters | Clutch disc lining oily or worn out | Inspect clutch disc | |
| Pressure plate faulty | Replace clutch cover | ||
| Clutch diaphragm spring bent | Replace clutch cover | ||
| Worn or broken torsion spring | Replace clutch disc | ||
| Engine mounts loose | Repair as necessary | ||
| Clutch noisy | Damaged clutch pedal bushing | Replace clutch pedal bushing | |
| Loose part inside housing | Repair as necessary | ||
| Release bearing worn or dirty | Replace release bearing | ||
| Release fork or linkage sticks | Repair as necessary | ||