Rear

Rear Axle Assembly

Service Repair No - 51.15.01

WARNING: Remove and install of axle requires a further 2 persons to steady the axle when lowering or repositioning.

Removal

1. Drain brake system.






2. Support chassis rear.
3. Remove road wheels.
4. Support axle weight with hydraulic jack.
5. Disconnect shock absorbers.
6. Disconnect flexible brake hose at RH chassis crossmember and breather hose at banjo connection on axle casing.
7. Disconnect lower links at axle.
8. Mark differential and propeller shaft flanges with alignment marks for assembly.
9. Remove 4 nuts and bolts, lower propeller shaft and tie to one side.
10. Disconnect pivot bracket ball joint at axle bracket.
^ If equipped:Disconnect wheel speed sensor lead plugs at LH side of chassis. Release sensor lead retaining clips from chassis and "A" frame.
11. Release bolts and remove coil spring retaining plates.
12. Lower axle and remove road springs.
13. Remove stabilizer bar links at axle.
14. Remove axle assembly.


Installation

1. Position axle and install lower links. Tighten fixings to 176 Nm (130 ft. lbs.).
2. If applicable, install stabilizer bar links to axle.
3. Raise axle and locate road springs.
4. Install coil spring retaining plates and secure with fixing bolts.
5. Secure pivot bracket ball joint to axle bracket. Tighten fixing to 175 Nm (130 ft. lbs.).
6. Reconnect road speed sensor lead plugs and secure leads to chassis and "A" frame.
7. Align propeller shaft to differential drive flange and tighten fixings to 48 Nm (35 ft. lbs.).
8. Reconnect flexible brake hose and axle breather hose.
9. Install shock absorbers.
10. Install road wheels.
11. Remove rear chassis support.
12. Bleed brake system.