Flywheel: Service and Repair

11 22 500 Removing and installing/replacing flywheel (N52K)

Special tools required:





Important!
Aluminium-magnesium materials.
No steel screws/bolts may be used due to the threat of electrochemical corrosion.
A magnesium crankcase requires aluminium screws/bolts exclusively.
Aluminium screws/bolts must be replaced each time they are released.
Aluminium screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Aluminium screws/bolts are not magnetic.
Jointing torque and angle of rotation must be observed without fail (risk of damage).





Necessary preliminary tasks:
^ Remove transmission
^ Remove clutch





For vehicles with optional extra SA205 (automatic transmission):
Secure flywheel (1) with existing transmission bolt (2) and special tool 11 9 260.

Installation:
Replace aluminium screws.

Unfasten flywheel screws.

Tightening torque 11 22 1AZ.

Installation:
Flywheel (1) is secured with an alignment pin.

Fit new flywheel screws.

Clean all threads for flywheel screws in crankshaft.





For vehicles without optional extra SA205 (automatic transmission):
Secure flywheel with transmission bolt (1) and special tool 11 9 260 and 11 9 265.

Installation:
Replace aluminium screws.

Release flywheel bolts with special tool 11 4 180/

Tightening torque 11 22 2AZ.

Installation:
Flywheel is secured with a dowel pin.

Fit new flywheel screws.

Clean all threads for flywheel screws in crankshaft.





Assemble engine.