Clutch System: General: Troubleshooting
PROBLEM SYMPTOM TABLE - CLUTCH SYSTEM
| Trouble symptom | Probable cause | Remedy | |
|---|---|---|---|
Clutch slipping
|
Insufficient 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 trapped or lines clogged | Repair or replace parts | ||
| Unusual wear or corrosion of the clutch disc spring | Replace | ||
| Excessive vibration (distortion) of the clutch disc | 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 | Adjust the pedal free play | |
| Faulty clutch release cylinder | Repair the release cylinder | ||
| Clutch disc out of place, runout is excessive or lining broken | Inspect the clutch disc | ||
| Dirty spline on input shaft or the clutch disc | Repair as necessary | ||
| Faulty clutch pressure plate | Replace the clutch cover | ||
| Clutch slips | Insufficient clutch pedal free play | Adjust the pedal free play | |
| Clogged hydraulic system | Repair or replace parts | ||
| Clutch disc lining oily or worn out | Inspect the clutch disc | ||
| Faulty pressure plate | Replace the clutch cover | ||
| Binding release fork | Inspect the release fork | ||
| Clutch grabs/chatters | Clutch disc lining oily or worn out | Inspect the clutch disc | |
| Faulty pressure plate | Replace the clutch cover | ||
| Bent clutch diaphragm spring | Replace the clutch cover | ||
| Worn or broken torsion spring | Replace the clutch disc | ||
| Loose engine mounts | Repair as necessary | ||
| Noisy clutch | Damaged the clutch pedal bushing | Replace the clutch pedal bushing | |
| Loose part inside housing | Repair as necessary | ||
| Worn or dirty release bearing | Replace the release bearing | ||
| Sticking release fork or linkage | Repair as necessary | ||