Disassembling and Assembling Differential

Disassembling and assembling differential








Tools








Overview








Disassembling differential

1. Remove transmission.
2. Fasten the transmission on assembly support.
3. Drain transmission oil.
4. Remove differential.





5. Remove taper roller bearing at the cover side using a two-arm puller and special tool pressure piece p 263 and take off adjusting shim S1.





6. Remove taper roller bearing at the housing side using a two-arm puller and special tool pressure piece p 263 and take off adjusting shim S2.
7. Fit transmission cover on transmission housing.
8. Prise shaft sealing ring out of transmission cover using a suitable tool.





9. Place internal puller between transmission cover and outer bearing ring and remove outer bearing ring.





10. Remove transmission cover from transmission housing.
11. Prise shaft sealing ring out of transmission housing using a suitable tool.








12. Place internal puller between transmission housing and outer bearing ring and remove outer bearing ring.
13. Loosen fastening screws between the differential housing and crown wheel. To do this, insert screw into the differential and counter with a suitable tool.





14. Remove crown wheel from differential housing using a soft metal mandrel.





Assembling differential

1. Position crown wheel on differential housing and screw in screws in diagonally opposite sequence until the crown wheel is completely tight to the seat.
2. Tighten fastening screws. To do this, insert screw into the differential and counter with a suitable tool.





Tightening torque: 180 Nm (133 ftlb.)

3. Heat transmission housing to approx. 120° C with a hot-air gun.
4. Drive inner bearing ring into the transmission housing as far as the mounting face using special tools pressure piece 3062 and insertion mandrel 30-505.





5. Fill new shaft sealing ring between the dust and sealing lips with grease and drive it into the transmission housing as far as the mounting face using special tool pressure piece 9252.





6. Heat transmission cover to approx. 120° C with a hot-air gun.
7. Drive inner bearing ring into the transmission cover as far as the mounting face using special tool pressure piece t10185.





8. Fill new shaft sealing ring between the dust and sealing lips with grease and drive it into the transmission cover as far as the mounting face using special tool pressure piece 9252.





Information
^ The thickness of the adjusting shims must be determined again depending on the replaced parts.

9. Insert adjusting shim S1.
10. Fit taper roller bearing on the transmission cover side on the differential using special tool drift p 264 b.





11. Insert adjusting shim S2.
12. Fit taper roller bearing on the housing side on the differential using special tool drift p 264 b.





13. Install differential.
14. Top up transmission oil.
15. Install transmission.