- Input shaft bearings are worn out (the noise is obvious with the clutch pedal released and disappears when the pedal is depressed) (Section 6).
- The clutch release bearing is worn out (with the pedal depressed).
Noise when engaging one specific gear
- Gear teeth are worn, damaged or chipped (Section 6).
- Clutch damage (Section 5).
- The shift rod/cable is worn or damaged (Section 6).
- The gear shift rod/cable is not adjusted correctly (Section 6).
- The synchronizer blocks are worn out (Section 6).
Vibration
- Lack of oil.
- The bearings are worn out (Section 6).