No resistance when pressing the clutch pedal
- defective cable adjustment mechanism (cable operated clutch);
- faulty hydraulic clutch release system (hydraulic clutch);
- broken bearing or clutch release fork;
- Broken diaphragm spring in clutch pressure plate.
Clutch always on
- faulty clutch adjustment mechanism (cable operated clutch);
- the hydraulic clutch drive system is faulty;
- the clutch disc is jammed on the splines of the input shaft of the gearbox;
- constant contact of the clutch disc with the flywheel or pressure plate;
- incorrect assembly of the pressure plate;
- Worn clutch release mechanism.
Clutch slip
- defective cable adjustment mechanism (cable operated clutch);
- the hydraulic clutch drive system is faulty;
- excessive wear of the clutch disc linings;
- clutch disc linings contaminated with oil or grease;
- Faulty pressure plate or weak diaphragm spring.
Intense vibration when engaging the clutch
- clutch disc linings contaminated with oil or grease;
- excessive wear of the clutch disc linings;
- the pressure plate or diaphragm spring is deformed;
- wear of engine or gearbox mounts;
- wear of the splines of the input shaft of the gearbox or the hub of the clutch disc.
Noise when pressing or releasing the clutch pedal
- the release bearing is worn out;
- worn clutch pedal bushings;
- the pressure plate is incorrectly assembled;
- the pressure plate diaphragm spring is broken;
- Broken clutch damper spring.