Differential Assembly: Service and Repair

Removal
1. Remove front and center underside panel.
2. Unclip power steering lines from steering gear.
3. Separate drive shafts with Special Tool 9581 at transmission end.





4. Screw out mounting bolts of transmission mount, raise front axle final drive and take out mounts.
5. Lift front-axle final drive and take out final drive mount.





6. Screw out mounting bolts "A" of side member and slacken bolts "B" only (by approx. 5 mm).
7. Push stabilizer bar forward below fuel tank.





8. Screw out central tube to front axle final drive mounting bolts, pushing central tube to the left and right and locating tube with suitable wooden block.
- Take care not to damage the pipings.
9. Push front axle final drive out of splines and take out from below at an oblique angle.
- Take care not to damage the brake pipe at the spare wheel well.
- Place front axle out of the way so that the pinion shaft faces up.

NOTE:
- If body tolerances are unfavorable, slacken mounting bolts of front axle final drive by approx. 5 mm.
- This will allow the crossmember and the central tube to move down somewhat and will make removal easier.

Installation
1. Check universal-joint shaft for true running refer to Steering and Suspension.
2. Check front-axle final drive oil and top up if required.
3. Measure front axle alignment.
4. Tighten the following to:
- Front-axle final drive mount to central tube M12 85 Nm (63 ft lb)
- Front-axle final drive mount to cross member M8 23 Nm (17 ft lb)
- Front-axle final drive to central tube M10 46 Nm (34 ft lb)
- Drive shaft to transmission M8 42 Nm (31 ft lb)
- Stabilizer to side member M8 23 Nm (17 ft lb)
- Stabilizer to stabilizer mount M10 46 Nm (34 ft lb)
- Side member to body/crossmember front/rear
M12 90 Nm (66 ft lb)
M10 46 Nm (34 ft lb)
- Crossmember to body outer/inner
M12 105 Nm (77 ft lb)
M10 48 Nm (35 ft lb)