Jeep Wrangler/YJ 1987-1995 Repair Guide

Axle Shaft, Bearing and Seal

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REMOVAL & INSTALLATION



1987-91 Models

See Figure 1



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Fig. Fig. 1: Shift motor removal-1987-91

  1. Raise and support the vehicle safely.
  2.  
  3. Remove the wheels, calipers and rotors.
  4.  
  5. Remove the cotter pin, locknut and axle hub nut.
  6.  
  7. Remove the hub-to-knuckle attaching bolts.
  8.  
  9. Remove the hub and splash shield from the steering knuckle.
  10.  
  11. To remove the left shaft, remove the axle shaft from the housing.
  12.  
  13. To remove the right shaft:
    1. Disconnect the vacuum harness from the shift motor.
    2.  
    3. Remove the shift motor from the housing.
    4.  
    5. Remove the axle shaft from the housing.
    6.  

  14.  
  15. To install the right axle shaft first be sure that the shift collar is in position on the intermediate shaft and that the axle shaft is fully engaged in the intermediate shaft end.
  16.  
  17. Install the shift motor, making sure that the fork engages with the collar. Tighten the bolts to 96 inch lbs. (11 Nm).
  18.  
  19. On the left side, install the axle shaft in the housing.
  20.  
  21. Partially fill the hub cavity of the knuckle with chassis lube and install the hub and splash shield.
  22.  
  23. Tighten the hub bolts to 75 ft. lbs. (102 Nm).
  24.  
  25. Install the hub washer and nut. Torque the nut to 175 ft. lbs. (237 Nm). Install the locknut and a new cotter pin.
  26.  
  27. Install the rotor, caliper and wheel.
  28.  

1992-95 Models

See Figures 2 through 10

  1. Raise and support the vehicle safely.
  2.  


CAUTION
Brake linings may contain asbestos. Asbestos is a known cancer-causing agent. When working on brakes, remember that the dust which accumulates on the brake parts and/or in the drum may contain asbestos. Always wear a protective face covering, such as a painter's mask, when working on the brakes. NEVER blow the dust from the brakes or drum! There are solvents made for the purpose of cleaning brake parts. Use them!

  1. Remove the wheels and brake assemblies.
  2.  

For vehicles equipped with Anti-Lock Brakes (ABS), refer to Brakes for the proper procedures concerning brake removal.

  1. Remove the cotter pin, locknut and axle hub nut.
  2.  
  3. Remove the hub-to-knuckle attaching bolts.
  4.  
  5. Remove the hub and splash shield from the steering knuckle.
  6.  
  7. Remove the left axle shaft from the housing.
  8.  
  9. If equipped with Command-Trac®, disconnect the vacuum harness from the shift motor and remove the shift motor from the housing.
  10.  
  11. Remove the right axle shaft from the housing.
  12.  

To install:
  1. Insert the left and right axle shafts into the axle tube.
  2.  



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Fig. Fig. 2: Axle shaft, hub and bearings-1987-91



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Fig. Fig. 3: Front rotor, hub and axle shaft-1991-95



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Fig. Fig. 4: Removing the cotter pin from the axle shaft-1991-95



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Fig. Fig. 5: Removing the retainer from the axle shaft-1991-95



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Fig. Fig. 6: Removing the axle nut and washer-1991-95



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Fig. Fig. 7: Removing the three hub-to-steering knuckle bolts-1991-95



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Fig. Fig. 8: Removing the hub from the shaft using a puller-1991-95



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Fig. Fig. 9: Removing the hub and rotor shield from the shaft-1991-95



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Fig. Fig. 10: Removing the front axle shaft assembly from the vehicle-1991-95

  1. To install the right axle shaft (with Command-Trac®) first be sure that the shift collar is in position on the intermediate shaft and that the axle shaft is fully engaged in the intermediate shaft end.
  2.  
  3. If equipped with Command-Trac®, install the shift motor, making sure that the fork engages with the collar. Tighten the bolts to 8 ft. lbs. (11 Nm).
  4.  
  5. On the left side, install the axle shaft in the housing.
  6.  
  7. Partially fill the hub cavity of the knuckle with chassis lube and install the hub and splash shield.
  8.  
  9. Tighten the hub bolts to 75 ft. lbs. (102 Nm).
  10.  
  11. Install the hub washer and nut. Torque the nut to 175 ft. lbs. (237 Nm). Install the locknut and a new cotter pin.
  12.  
  13. Install the brake assemblies.
  14.  
  15. Lower the vehicle.
  16.  

 
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