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Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to JACKING AND LIFTING .
  2. Place jack stands at the front end of the vehicle in order to support the weight difference when the rear axle is removed.
  3. Drain the axle lubricant from the rear axle. Refer to Lubricant Replacement - Rear Drive Axle (8.6 Inch Axle)  or Lubricant Replacement - Rear Drive Axle (9.5, 10.5, and 11.5 Inch Axles)  or Lubricant Replacement - Rear Drive Axle (9.75 Inch Axle) .
    Fig 1: Spacers, Anchor Plates & U-Bolts
    G01480786Courtesy of GENERAL MOTORS CORP.
  4. Remove the propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT-ONE PIECE  or PROPELLER SHAFT REPLACEMENT-TWO PIECE  .
  5. Remove the tire and wheel assemblies. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION  .
  6. Disconnect the parking brake cables. Refer to PARK BRAKE CABLE .
  7. Remove the left and right brake calipers from the brake caliper mounting brackets. Do not disconnect the hydraulic brake lines from the brake calipers. Refer to BRAKE CALIPER . Secure the left and the right brake calipers with mechanics wire to the leaf spring or the frame assembly.
  8. Remove the 2 flex hose bracket bolts (1).
  9. Remove the 2 brake pipe bracket bolts (2).
  10. Remove the jounce bracket bolt (3).
  11. Remove the brake pipe bracket nut (4). Secure the rear brake pipe assembly with mechanics wire to the under body and frame. Do not bend or kink the brake pipe assembly.
  12. Disconnect the shock absorbers from the axle brackets. Refer to SHOCK ABSORBER REPLACEMENT .
  13. Remove the vent hose from the rear axle vent fitting. Refer to Vent Hose Replacement .
  14. Support the rear axle assembly with a suitable jack. Remove the nuts and the washers if equipped from the U-bolts.
  15. Remove the U-bolts, the spring plates and the spacers from the axle assembly.
  16. Lower the axle assembly.
Fig 2: Brake Pipe Bracket Nut, Jounce Bracket & Flex Hose Bracket Bolts
G01480787Courtesy of GENERAL MOTORS CORP.
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