Chrysler Full-Size Trucks 1967-1988 Repair Guide

Axle Housing Unit

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REMOVAL & INSTALLATION



Chrysler 8 3 / 8 in., 8 3 / 4 in., 9 1 / 4 in. and 9 5 / 8 in. Axles

  1. Raise and support the rear end on jackstands placed under the frame.
  2.  
  3. Prop the brake pedal in the UP position.
  4.  
  5. Remove the wheels and brake drums.
  6.  
  7. Disconnect the brake lines.
  8.  
  9. Disconnect the parking brake cables.
  10.  
  11. Matchmark the driveshaft and flange.
  12.  
  13. Disconnect the driveshaft at the flange and secure it out of the way.
  14.  
  15. Disconnect the shock absorbers at the axle.
  16.  
  17. Position a floor jack under the axle to take up the weight.
  18.  
  19. Remove the spring U-bolt nuts and lower the axle.
  20.  

To install:
  1. Raise the axle into position.
  2.  
  3. Install the spring U-bolt nuts.
  4.  
  5. Connect the shock absorbers at the axle. Tighten the nuts to 55 ft. lbs. (74 Nm).
  6.  
  7. Connect the driveshaft at the flange.
  8.  
  9. Connect the parking brake cables.
  10.  
  11. Connect the brake lines.
  12.  
  13. Install the wheels and brake drums.
  14.  
  15. Bleed the brakes.
  16.  

Observe the following torques for U-bolt nuts:



1 / 2 -20: 62-70 ft. lbs. (84-95 Nm)
 
3 / 4 -16: 175-225 ft. lbs. (237-304 Nm)
 
9 / 16 -18: 120-130 ft. lbs. (162-176 Nm)
 
5 / 8 -18: 175-200 ft. lbs. (237-271 Nm)
 

  1. Lower the vehicle, tighten the lug nuts to specification, refer to Suspension & Steering .
  2.  

Dana (Spicer) 60 and 70
  1. Raise and support the rear end on jackstands placed under the frame.
  2.  
  3. Prop the brake pedal in the UP position.
  4.  
  5. Remove the axle shafts.
  6.  
  7. Remove the wheels and drums.
  8.  
  9. Disconnect the brake line and the flexible line connector.
  10.  
  11. Disconnect the parking brake cables.
  12.  
  13. Matchmark the driveshaft and flange.
  14.  
  15. Remove the driveshaft at the flange and position it out of the way.
  16.  
  17. Disconnect the shock absorbers at the axle.
  18.  
  19. Position a floor jack under the axle to take up the weight.
  20.  
  21. Remove the spring U-bolt nuts and lower the axle.
  22.  

To install:
  1. Raise the axle into position.
  2.  
  3. Install the spring U-bolt nuts. Tighten the nuts to 150-210 ft. lbs. (203-285 Nm).
  4.  
  5. Connect the shock absorbers at the axle. Tighten the nuts to 35-65 ft. lbs. (47-88 Nm).
  6.  
  7. Connect the driveshaft at the flange. Tighten the U-joint clamps to 170-200 inch lbs. (19-23 Nm).
  8.  
  9. Connect the parking brake cables.
  10.  
  11. Connect the brake lines.
  12.  
  13. Install the drums and wheels. On 60 series axles, torque the lug nuts to 225 ft. lbs. (305 Nm) for cone-shaped nuts; 325 ft. lbs. (440 Nm) for flanged nuts. On 70 series axles, torque the lug nuts to 400-450 ft. lbs. (542-609 Nm).
  14.  
  15. Remove the block from the brake pedal, and proceed to bleed the brakes.
  16.  
  17. Clean the axle gasket contact area. Installing a new flange gasket slide the axle shaft into the housing.
  18.  
  19. Install the tapered dowels, lockwashers and nuts. Tighten nuts to specifications.
  20.  

Observe the following torques for tapered dowel nuts:



7 / 16 -20: 40-70 ft. lbs. (54-95 Nm)
 
1 / 2 -20: 65-105 ft. lbs. (88-142 Nm)
 

  1. Refill the housing with fluid.
  2.  
  3. Install the wheels and brake drums.
  4.  
  5. Lower the vehicle, tighten the lug nuts to specification, refer to Suspension & Steering .
  6.  

 
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