Cause | Elimination Method |
Clutch jerking | |
Too low idle speed | Adjust RPM |
Engine and gearbox bearings failed | Check, replace if necessary |
Loose gearbox mount | Tighten the fastening screws |
The pressure plate transmits jerky movement | Replace pressure plate |
The driven disc does not match the original VW for this engine model | Install the driven disc according to the original VW |
Mismatch of the axes of rotation of the crankshaft and the gearbox shaft | Check alignment of engine and gearbox |
The release bearing operates on one side | Check release bearing |
Incorrect location of the clutch cable guide | Position the cable guide correctly |
clutch slipping | |
Worn driven disc | Check the thickness of the driven disk, replace if necessary |
Bitten slave cylinder* | Replace slave cylinder |
Diaphragm springs too loose | Replace pressure plate |
Leaky working cylinder* | Carry out an external inspection |
Friction linings hardened or oily | Replace clutch disc |
Clutch overheated | Install parts according to the original VW |
Clutch not disengaging well | |
Wear of friction linings as a result of abrasion | Replace clutch disc |
The driven disk is stuck on the drive shaft. The spline connection is dry or clogged with abrasion products | Clean splines, deburr, remove rust if necessary, apply fresh lubricant, e.g. MoS2 powder |
Lateral fight of a conducted disk | Check the driven disk at the service station, replace |
Leaky master cylinder* | Observe when the clutch pedal is depressed, whether the brake fluid is bubbling in the reservoir, if necessary, bleed air from the system or replace the master cylinder |
Clutch pedal not fully depressing | Check if the clutch pedal is depressed to the stop, if necessary, cut the mat |
Defective release bearing | Check the serviceability of the bearing |
Air in hydraulic system* | Bleed air from clutch hydraulics |
Faulty automatic clutch cable adjustment mechanism | Replace clutch cable** |
Faulty guide bearing of the gearbox drive shaft on the crankshaft | Replace guide bearing on crankshaft |
Severely bent driven disc or broken friction linings | Replace driven disk |
Noises during clutch pedal operation | |
Defective release bearing | Check release bearing, replace |
Driven plate hitting pressure plate | Replace driven disk |
Waking up and down noise when accelerating and decelerating or when driving with the clutch disengaged | |
Difficult movement of the spring cage (torsion damper) clutch disc | Replace driven disk |
Loose clutch rivets | Replace clutch |
Too much clutch imbalance | Replace clutch and driven disc |
* Applies to hydraulic clutch only
** Power clutch only
Visitor comments