Front Crankshaft Seal: Service and Repair

Changing the crankshaft seal (in car)
Replacing the crankshaft seal behind the crankshaft pulley (in car)
To remove





1. Raise the car. Remove the right-hand front wheel and detach the power steering pump from the subframe.
2. Remove the cover for the belt circuit. Fit a wedge 83 95 238 between the oil sump and the subframe so that it can be driven in to raise the engine for fitting.
3. Remove the right-hand engine mounting with yoke.





4. Take the strain off the belt tensioner with the aid of a ratchet handle extension and insert a 3 mm hexagon key in the hole.

Important: Exercise the utmost care to ensure that the belt tensioner does not break at its end position!





5. Remove the flywheel cover plate and fit flywheel locking segment 83 94 868.
6. Remove the crankshaft pulley.
7. Use a screwdriver to prise out the old seal, taking care not to damage the sealing surface.

To fit





1. Fit a new seal using fitting tool for crankshaft seal, timing chain end83 94 876.
2. Fit the crankshaft pulley.
Tightening torque 175 Nm (130 ft. lbs.).





3. Remove the flywheel locking segment and fit the flywheel cover plate.
4. Drive in the wedge to raise the engine.





5. Fit the drive belt, check its position on all the pulleys and remove the strain relieving hexagon key.





6. Fit the right-hand engine mounting.
Tightening torque 50 Nm (37 ft. lbs.).
7. Remove the wedge and fit the power steering pump pipe.
8. Fit the belt circuit cover and the wheel.
Tightening torque: 110 Nm (80 ft. lbs.).

Important: The wheels must be hanging freely when the wheel bolts are tightened.

9. Start the engine and run it at idling speed for a while.
10. Switch off the engine and check that the belt is correctly positioned.