REMOVING AND INSTALLING/REPLACING FLYWHEEL (N52K)
Special tools required:
IMPORTANT: Aluminium screws/bolts must be replaced each time they are released.
The end faces of aluminium screws/bolts are painted blue for the purposes of reliable identification.
Jointing torque and angle of rotation must be observed without fail (risk of damage).
Necessary preliminary tasks:
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.
Fig. 108: Special Tool (11 9 260), Flywheel And Transmission Bolt
For vehicles without optional extra SA205 (automatic transmission):
Secure flywheel with existing transmission bolt (1) and special tools 11 9 260 and 11 9 265.
Installation:
Replace aluminium screws.
Release flywheel screws 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.
Fig. 109: Special Tools (11 9 260), (11 9 265) And (11 4 180)
REPLACING ROLLER BEARING FOR DUAL-MASS FLYWHEEL
Special tools required:
NOTE: Flywheel removed!
Using hydraulic press (1) and special tool 21 2 051 , press out dual-mass flywheel downwards on engine side.
IMPORTANT: Risk of damage: Roller bearing must not be driven out.
Fig. 110: Hydraulic Press And Special Tool (21 2 051)
Push roller bearing (2) onto special tool 21 2 052.
Using hydraulic press (1), press roller bearing into dual-mass flywheel as far as it will go on clutch side.
IMPORTANT: Risk of damage: Observe press-in instruction:
Min. 2000N 1 mm before end of pressing in.
Max. 15000N during entire press-in procedure.
Fig. 111: Hydraulic Press, Roller Bearing And Special Tool
REPLACING ROLLER BEARING FOR DUAL-MASS FLYWHEEL
Special tools required:
NOTE: Remove flywheel.
Position special tool 11 2 010 in roller bearing.
Twist out roller bearing with special tool 11 2 343.
Fig. 112: Special Tools (11 2 343) And (11 2 010)
Assemble special tools 11 2 350 and 00 5 500.
Drive in roller bearing with special tools 11 2 350 and 00 5 500 in direction of arrow as far as it will go.
Fig. 113: Special Tools (11 2 350) And (00 5 500)
Assemble engine.
REPLACING ROLLER BEARING FOR DUAL-MASS FLYWHEEL (N47)
Special tools required:
NOTE: Remove flywheel.
Using hydraulic press (1) and special tool 21 2 051 , press out dual-mass flywheel downwards on engine side.
IMPORTANT: Risk of damage: Roller bearing must not be driven out.
Fig. 114: Hydraulic Press And Special Tool (21 2 051)
Push roller bearing (2) onto special tool 21 2 052.
Using hydraulic press (1), press roller bearing into dual-mass flywheel as far as it will go on clutch side.
IMPORTANT: Risk of damage: Observe press-in instruction:
Min. 2000N 1 mm before end of pressing in.
Max. 15000N during entire press-in procedure.
Fig. 115: Hydraulic Press, Roller Bearing And Special Tool (21 2 052)