Table of contents: The clutch is jerking ↓ The clutch is slipping ↓ The clutch disengages poorly ↓ Noise when clutch pedal is depressed ↓ Waxing and fading noise when pushing… ↓
The clutch is jerking
Engine and gearbox mounts are faulty
Check and replace if necessary.
The gearbox support is poorly secured
Tighten the mounting bolts.
The pressure plate fits unevenly
Replace the disk.
The driven disk is not an original part
Replace the driven disk. Install the original part.
The crankshaft is not aligned with the gearbox input shaft
Check the engine and gearbox centering surfaces.
The clutch release fork is pushing to one side
Check the clutch release fork.
The clutch is slipping
The clutch driven disc is worn out
Check the thickness of the friction lining of the disc, replace if necessary.
The clutch slave cylinder is jammed
Replace the cylinder.
Diaphragm spring tension too low
Replace the pressure plate.
The clutch hydraulic drive slave cylinder is leaking
Perform a visual inspection.
Hardened or oily friction lining
Replace the clutch slave disc.
The clutch is overheated
Install a new original clutch.
The clutch disengages poorly
The friction lining is covered with abrasion products
Replace the clutch slave disc.
The clutch disc is seized on the input shaft of the gearbox, the spline connection is dry or stuck together
Clean the splined connection, remove burrs, remove rust if necessary and lubricate again, for example, apply molybdenum powder.
Lateral runout of the clutch driven disc
Check the disk and replace if necessary.
Primary (master) cylinder is leaking
With the clutch pedal depressed, observe whether the brake fluid is bubbling in the reservoir. Replace the cylinder.
The clutch pedal does not reach the limit stop
Check if the limiter is reached. If necessary, cut the mat.
Defective release bearing
Check the bearing.
Air in the hydraulic system
Bleed the clutch drive.
The primary shaft centering bearing in the flywheel is faulty
Replace the centering in the flywheel (needle) bearing.
The driven disk is warped or the friction lining is damaged
Replace the pressure plate.
Noise when clutch pedal is depressed
The clutch release bearing is faulty
Check the release bearing, replace it.
The driven clutch disc hits the pressure plate
Replace the clutch slave disc.
Waxing and fading noise when pushing or towing the vehicle, or when driving with the clutch disengaged
The movement of the torsion springs of the driven clutch disc is difficult
Replace the clutch slave disc.
The rivets on the clutch pressure plate have come loose
Replace the disk.
Clutch imbalance is too great
Replace the pressure and driven disks.