Ram Truck 1500, 2500 & 3500 (2006-2008)

Axle Unit

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Removal & Installation



302RBI Axle
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. With vehicle in neutral, position vehicle on hoist.
  4.  
  5. Position a lift under axle and secure lift to the axle.
  6.  
  7. Mark propeller shaft and companion flange for installation alignment reference.
  8.  
  9. Remove the propeller shaft from pinion flange.
  10.  
  11. Remove axle vent hose axle housing.
  12.  
  13. Remove wiring harness from the brake sensor.
  14.  
  15. Remove brake calipers, rotors, brake lines and park cables from axle housing.
  16.  
  17. Remove shock absorbers and stabilizer bar from the axle.
  18.  
  19. Remove U-bolts nuts from the axle.
  20.  
  21. Remove U-bolts and lower the axle from the vehicle.
  22.  

To install:

  1. Raise axle with lift and align to the leaf spring centering bolts.
  2.  
  3. Install axle U-bolts and tighten nuts to 336 ft. lbs. (455 Nm).
  4.  
  5. Install shock absorbers to axle and tighten nuts to 118 ft. lbs. (160 Nm).
  6.  
  7. Install stabilizer bar to axle and tighten nuts to 48 ft. lbs. (65 Nm).
  8.  
  9. Install rotors, brake calipers, brake lines and park cables to the axle housing.
  10.  
  11. Install the wiring harness to brake sensor.
  12.  
  13. Install the axle vent hose to axle housing.
  14.  
  15. Install propeller shaft to pinion flange with reference marks aligned and tighten to specification.
  16.  
  17. Fill differential to specifications.
  18.  
  19. Remove lift from axle and lower the vehicle.
  20.  

Except 302RBI
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. With vehicle in neutral, position vehicle on hoist.
  4.  
  5. Position a lift under axle and secure lift to the axle.
  6.  
  7. Remove all brake components.
  8.  
  9. Mark propeller shaft and companion flange for installation alignment reference.
  10.  
  11. Remove the propeller shaft.
  12.  
  13. Remove the axle vent hose.
  14.  
  15. Remove shock absorbers from axle.
  16.  
  17. Remove the U-bolts from the axle.
  18.  
  19. Remove the axle from the vehicle.

    Click image to see an enlarged view

    Fig. Rear axle and related parts shown

  20.  

To install:

  1. Raise axle with lift and align to the leaf spring centering bolts.
  2.  
  3. Install axle U-bolts and tighten to 110 ft. lbs. (149 Nm).
  4.  
  5. Install shock absorbers to axle and tighten to specification.
  6.  
  7. Install all brake components.
  8.  
  9. Install propeller shaft with reference marks aligned and tighten to specification.
  10.  
  11. Install the axle vent hose.
  12.  
  13. Fill the differential to specifications.
  14.  
  15. Remove lift from axle and lower the vehicle.
  16.  

 
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