- Low Fluid/Air in Clutch Hydraulic System (chapter 6).
- Defective clutch release bearing or fork (chapter 6).
- Broken diaphragm spring (chapter 6).
- Clutch won't disengage (unable to transfer)
- Jamming of the clutch disc on the spitz of the input shaft of the transmission (chapter 6).
- Clutch disc sticking to flywheel or pressure plate (chapter 6).
- Pressure plate assembly failure (chapter 6).
- Malfunction or incorrect assembly of the clutch release mechanism (chapter 6).
Clutch slip (vehicle speed does not increase when engine speed is increased)
- Excessive wear on clutch disc linings (chapter 6).
- Oil contamination of clutch disc linings (chapter 6).
- Pressure plate failure or diaphragm spring weakening (chapter 6)
Intense vibration when engaging the clutch
- Oil contamination of clutch disc linings (chapter 6).
- Excessive wear on clutch disc linings (chapter 6).
- Malfunction or deformation of the pressure plate or diaphragm spring (chapter 6).
- Worn or loose engine or transmission mounts (chapter 2A or 2B).
- Wear on the splines of the clutch disc hub or transmission input shaft (chapter 6).
Noise when pressing or releasing the clutch pedal