Contents: Noise in neutral position with…↡ Noise when engaging one of the gears ↡ Difficulty shifting gears ↡ Vibration ↡ Spontaneous gear disengagement ↡ Oil leaks ↡
Noise in neutral position with engine running
- Wear of the input shaft gears and gearbox bearings (noise when the clutch pedal is depressed, not pressed) (Chapter 7A).*
- Clutch release bearing wear (noise when clutch pedal is pressed, possibly weaker when released) (Chapter 6).
Noise when engaging one of the gears
- Wear, damage or breakage of teeth in the gearbox (Chapter 7A).*
Difficulty shifting gears
- Clutch failure (Chapter 6).
- Wear or damage to the gear shift mechanism (Chapter 7A).
- The gear shift mechanism is not adjusted correctly (Chapter 7A).
- The synchronizer units are worn out (Chapter 7A).*
Vibration
- Lack of oil (Chapter 1).
- The bearings are worn out (Chapter 7A).*
Spontaneous gear disengagement
- Wear or damage to the gear shift mechanism (Chapter 7A).
- The gear shift mechanism is not adjusted correctly (Chapter 7A).
- The synchronizer units are worn out (Chapter 7A).*
- The gear shift forks are worn out (Chapter 7A).*
[Material taken from a web resource MercedesMan.ru]
Oil leaks
- Transmission oil leak from differential side seal (Chapter 7A).
- Leak from crankcase joint (Chapter 7A).*
- Oil leak through the primary shaft seal (Chapter 7A).
* The repairs of the units described above cannot be performed in a garage, however, the above information should be useful in determining the cause of the malfunction so that the owner can contact a professional mechanic with knowledge of the matter.