Clutch, Servicing

Clutch, servicing





Special tools and equipment
^ 3067 Counter-hold
^ 3190 A Centralizing mandrel
^ V.A.G. 1331 Torque wrench or equivalent





^ T10097 Centralizing mandrel

(Transmission removed)

Note:
^ Replace clutch plates and pressure plates that have damaged or loose rivets
^ Select correct clutch plate and pressure plate according to parts list and engine code.





1- Flywheel
- Ensure centering pins are a tight fit
- Contact surface for clutch lining must be free of grooves, oil and grease
- Removing and installing
2- Clutch plate
- Installation position on two-part flywheel: Shorter hub end (arrow) points towards pressure plate
- Installation position with single piece flywheel: spring cage faces pressure plate
- Centering, Refer to Fig. 1 or, Refer to Fig. 2
- Lightly grease splines

Note: Clean input shaft splines and, on used clutch plates, the hub splines, remove corrosion and apply only a very thin coating of grease, Part No: G 000 100, to the input shaft splines. Then move clutch plate back and forth on the input shaft until the hub moves freely on the shaft. Excess grease must be removed.

3- Pressure plate
- Removing and installing , Refer to Fig 1, Refer to Fig 2
- Check ends of diaphragm spring

Note: Pressure plates are protected against corrosion and greased. Only the contact surface may be cleaned, otherwise the service life of the clutch will be considerably reduced.

4- Bolt
- Use Parts Supplier to check correct application
- On two-part flywheel: 22 Nm (always replace)
- On single piece flywheel: 20 Nm
- Loosen and tighten gradually and diagonally





Fig. 1 Centering clutch plate and removing and installing pressure plate
^ Loosen and tighten bolts gradually and diagonally.
^ Reverse position of retainer 3067 when removing.





Fig. 2 Centering clutch plate with larger hub diameter and removing and installing pressure plate
^ Loosen and tighten bolts gradually and diagonally.
^ Reverse position of retainer 3067 when removing.

Note: Pressure plate contact surface and clutch plate must make full contact with flywheel. Tighten bolts diagonally and evenly to prevent damage to the centering holes in the pressure plate housing and the centering pins in the flywheel.





Fig. 3 Checking ends of diaphragm spring
^ Wear up to half the thickness of the diaphragm spring is permitted.