Rear Axle - 198RBI
REMOVAL1. Raise and support the vehicle.
2. Position a lifting device under the axle and secure axle.
3. Remove the wheels and tires.
4. Remove brake rotors and calipers from the axle.
5. Disconnect parking brake cables from brackets and lever.
6. Remove wheel speed sensors.
7. Disconnect the brake hose at the axle junction block. Do not disconnect the brake hydraulic lines at the calipers.
8. Disconnect the vent hose from the axle shaft tube.
9. Mark propeller shaft and yokes for installation reference.
10. Remove propeller shaft.
11. Disconnect stabilizer bar links.
12. Remove nut holding upper suspension arm to the rear axle ball joint.
13. Using Remover 8278, separate the rear axle ball joint from the upper suspension arm (Fig. 5).
14. Disconnect shock absorbers from axle.
15. Disconnect track bar.
16. Disconnect lower suspension arms from the axle brackets.
17. Separate the axle from the vehicle.
INSTALLATION
NOTE: The weight of the vehicle must be supported by the springs before suspension arms and track bar fasteners can be tightened. If the springs are not at their normal ride position, vehicle ride height and handling could be affected.
1. Raise the axle with lifting device and align coil springs.
2. Position the lower suspension arms on the axle brackets. Install nuts and bolts, do not tighten bolts at this time.
3. Install the upper suspension arm to the rear axle ball joint.
4. Install nut to hold the upper suspension arm to the rear axle ball joint. Torque the nut to 122 Nm (90 ft. lbs.) (Fig. 6).
5. Install track bar and attachment bolts, do not tighten bolts at this time.
6. Install shock absorbers and tighten nuts to 60 Nm (44 ft. lbs.).
7. Install stabilizer bar links and tighten nuts to 36 Nm (27 ft. lbs.).
8. Install wheel speed sensors.
9. Connect parking brake cable to brackets and lever.
10. Install brake rotors and calipers.
11. Connect the brake hose to the axle junction block.
12. Install axle vent hose.
13. Align propeller shaft and pinion yoke reference marks. Install U-joint straps and bolts. Tighten to 19 Nm (14 ft. lbs.).
14. Install the wheels and tires.
15. Add gear lubricant, if necessary.
16. Remove support and lower the vehicle.
17. Tighten lower suspension arm bolts to 177 Nm (130 ft. lbs.).
18. Tighten track bar bolts to 100 Nm (74 ft. lbs.).