Cherokee 4WD L6-4.0L VIN S (1998)
Axle Shaft: Service and Repair
Conventional Fixed/Floating Axle Shaft
Axle Assembly Removal and Installation
REMOVAL
1. Raise and support the vehicle.
2. Position a suitable lifting device under the axle.
3. Secure axle to device.
4. Remove the wheels and tires.
5. Remove the brake rotors and calipers from the axle. Refer to Brakes and Traction Control; Disc Brake System, for proper procedures.
6. Disconnect the wheel sensor wiring harness from the vehicle wiring harness, if necessary.
7. Disconnect the vent hose from the axle shaft tube.
8. Mark the propeller shaft and yoke for installation alignment reference.
9. Remove propeller shaft.
10. Disconnect stabilizer bar links at the axle.
11. Disconnect shock absorbers from axle brackets.
12. Disconnect track bar.
13. Disconnect the tie rod and drag link from the steering knuckle. Refer to Steering and Suspension, for proper procedures.
14. Disconnect the steering damper from the axle bracket.
15. Disconnect the upper and lower suspension arms from the axle brackets.
16. Lower the lifting device enough to remove the axle. The coil springs will drop with the axle.
17. Remove the coil springs from the axle.
INSTALLATION
CAUTION: 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, ride height and handling could be affected.
1. Install the springs and retainer clips. Tighten the retainer bolts to 21 Nm (16 ft. lbs.) torque.
2. Support the axle on a suitable lifting device and position axle under the vehicle.
3. Raise the axle and align it with the spring pads.
4. Position the upper and lower suspension arms in the axle brackets. Loosely install bolts and nuts to hold suspension arms to the axle brackets.
5. Connect the vent hose to the axle shaft tube.
6. Connect the track bar to the axle bracket. Loosely install the bolt to hold the track bar to the axle bracket.
7. Install the shock absorbers and tighten the bolts to 23 Nm (17 ft. lbs.) torque.
8. Install the stabilizer bar links to the axle brackets. Tighten the nut to 95 Nm (70 ft. lbs.) torque.
9. Install the drag link and tie rod to the steering knuckles. Refer to Steering and Suspension, for proper procedures.
10. Install the steering damper to the axle bracket and tighten the nut to 75 Nm (55 ft. lbs.) torque.
11. Install the brake rotors and calipers. Refer to Brakes and Traction Control, for the proper procedures.
12. Connect the wheel speed sensor wiring harness to the vehicle wiring harness, if necessary.
13. Align the previously made marks on the propeller shaft and the yoke.
14. Install the straps and bolts to hold the propeller shaft to the yoke.
15. Check and fill axle lubricant. Refer to Specifications for the quantity necessary.
16. Install the wheel and tire assemblies.
17. Remove the lifting device from the axle and lower the vehicle.
18. Tighten the upper suspension arm nuts to 75 Nm (55 ft. lbs.) torque. Tighten the lower suspension arm nuts to 115 Nm (85 ft. lbs.) torque.
19. Tighten the track bar bolt at the axle bracket to 100 Nm (74 ft. lbs.) torque.
20. Check the front wheel alignment.
8-1/4 Axle
REMOVAL
1. Raise and support vehicle. Ensure that the transmission is in neutral.
2. Remove wheel and tire assembly.
3. Remove brake drum.
4. Clean all foreign material from housing cover area.
5. Loosen housing cover bolts. Drain "lubricant from the housing and axle shaft tubes. Remove housing cover.
