Differential: Service and Repair

WM 390919 Removing and installing differential








Preliminary work

Preliminary work
1. Raise the vehicle at the specified jacking points.
2. Remove rear right wheel.
3. Remove support plate.
4. Unscrew fastening nuts for restraining cables and remove restraining cables from crossmember.
5. Retaining device P 9624/1 must be screwed to crossmember, then turn spindle upwards and support engine.





Special tool

6. Drain oil for final drive.

Removing differential

Removing differential
1. Remove cover for final drive.

Information: Note the whereabouts of the adjusting shims and outer bearing rings in the differential cover and in the transmission housing. The adjusting shims are calibrated and may not be modified or switched.

2. Remove final drive.

Installing differential

Installing differential
1. If necessary, insert adjusting shims and outer bearing rings in transmission housing and differential cover. The adjusting shims sit under the outer bearing rings.
2. Insert final drive in transmission housing.
3. Coat new toroidal sealing ring on lid with oil and place onto lid.
4. Position cover for final drive.
5. Screw in cover screws -1, 2 and 3- and tighten by hand.





Tightening sequence

6. Screw in cover screws in the following order -1 to 12- and tighten.





Subsequent work

Subsequent work
1. Top up oil for final drive and perform all assembly work described.
2. Retaining device P 9624/1 must then be removed from crossmember.





Special tool

3. Fit restraining cables to crossmember.





4. Install support plate.
5. Install right wheel.
6. Lower the vehicle.