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Removal Procedure

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  1. Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  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 INCH AXLE)  or LUBRICANT REPLACEMENT - REAR DRIVE AXLE (9.75 INCH AXLE)  .
  4. Remove the propeller shaft. Refer to WHEEL SPEED SENSOR REPLACEMENT -- REAR in Propeller Shaft.
  5. Remove the tire and wheel assemblies. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  6. Disconnect the parking brake cables. Refer to REMOVAL (LEFT REAR -- WITHOUT 4-WHEEL STEERING) or REMOVAL (LEFT REAR -- WITH 4-WHEEL STEERING) and REMOVAL (RIGHT REAR -- WITHOUT 4-WHEEL STEERING) or REMOVAL (RIGHT REAR -- WITH 4-WHEEL STEERING) in Park Brake.
  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 in Disc Brakes. Secure the left and the right brake calipers with mechanics wire to the leaf spring or the frame assembly.
    Fig 1: Removing Rear Axle - 9.75 Inch Axle (1 Of 2)
    G01456210Courtesy of GENERAL MOTORS CORP.
  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 (15 SERIES) or SHOCK ABSORBER REPLACEMENT (25 SERIES) in Rear Suspension.
  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: Removing Rear Axle - 9.75 Inch Axle (2 Of 2)
    G01456211Courtesy of GENERAL MOTORS CORP.
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