Jeep Wagoneer/Commando/Cherokee 1984-1998

Rear Axle Unit

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Removal & Installation



Cherokee/Wagoneer and Comanche

See Figure 1

  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 drums.
  2.  

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

  1. Disconnect the shock absorbers.
  2.  



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Fig. Fig. 1: Rear axle assembly mounting

  1. Disconnect the brake hose at the frame rail and cap to prevent the entry of dirt.
  2.  

On Comanche models a height sensing rear proportioning valve is mounted on the rear axle. This valve must be adjusted after the axle is reinstalled. If not adjusted unsatisfactory brake action could result.

  1. Disconnect the parking brake cables at the equalizer.
  2.  
  3. Matchmark the driveshaft and yoke, and disconnect the driveshaft.
  4.  
  5. Place a floor jack under the axle to take up the weight.
  6.  
  7. Remove the axle-to-spring U-bolts and lower the axle.
  8.  

To install:
  1. Raise the axle into place. Install the axle-to-spring U-bolts and tighten to 52 ft. lbs. (70 Nm).
  2.  
  3. Reconnect the driveshaft and tighten U-joint strap bolts.
  4.  
  5. Connect the parking brake cables at the equalizer.
  6.  
  7. Connect the brake hoses at the frame rail.
  8.  
  9. Connect the shock absorbers.
  10.  
  11. Install the wheels and brake drums.
  12.  
  13. Check the differential lubricant, bleed the brakes and road test the vehicle.
  14.  

Grand Cherokee/Grand Wagoneer
  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. Place a suitable lifting device under the axle. Secure the axle housing to the device.
  2.  
  3. Remove the wheels and brake drums/rotors.
  4.  
  5. Disconnect the parking brake cables.
  6.  

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

  1. Remove the ABS wheel speed sensors.
  2.  
  3. Disconnect the brake hose at the axle junction block. DO NOT disconnect the brake hoses at the calipers. Cap the brake hose opening to prevent the entry of dirt into the system.
  4.  
  5. Disconnect the vent hose from the axle shaft tube.
  6.  
  7. Matchmark the driveshaft and yoke, and disconnect the driveshaft.
  8.  
  9. Disconnect the stabilizer bar links.
  10.  
  11. Disconnect the shock absorbers.
  12.  
  13. Disconnect the track bar.
  14.  
  15. Disconnect the upper and lower suspension arms from the axle brackets.
  16.  
  17. Lower the axle housing from the vehicle.
  18.  

To install:
  1. Raise the axle into place using the lifting device and align the coil springs.
  2.  
  3. Position the upper and lower suspension arms onto the axle brackets and install the nuts and bolts, but do not tighten them at this time.
  4.  
  5. Connect the track bar, but do not tighten the bolts at this time.
  6.  
  7. Connect the shock absorbers.
  8.  
  9. Connect the stabilizer bar links.
  10.  
  11. Install the ABS wheel speed sensors.
  12.  
  13. Connect the parking brake cables.
  14.  
  15. Install the brake drums, or rotors and calipers.
  16.  
  17. Connect the brake hoses to the axle junction block.
  18.  
  19. Connect the vent hose to the axle shaft tube.
  20.  
  21. Reconnect the driveshaft and yoke.
  22.  
  23. Install the wheels.
  24.  
  25. Check the differential lubricant and add if necessary, bleed the brakes and road test the vehicle.
  26.  
  27. Remove the lifting device and lower the vehicle.
  28.  
  29. Tighten the track bar, upper and lower suspension arm bolts to the specifications outlined in Suspension & Steering .
  30.  

 
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