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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1040 (Rear Drive Axle) >> Repair Instructions >> Rear Axle Replacement (15 Series with RPO NYS) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 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 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) , Lubricant Replacement - Rear Drive Axle (9.75 Inch Axle)  or Lubricant Replacement - Rear Drive Axle (9.5, 10.5, and 11.5 Inch Axles) .
  4. Remove the propeller shaft. Refer to Propeller Shaft Replacement - One Piece or Propeller Shaft Replacement - Two Piece 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 Park Brake Cable Replacement - Left Rear (w/oNYS) or Park Brake Cable Replacement - Left Rear (w/NYS) and Park Brake Cable Replacement - Right Rear (w/oNYS) or Park Brake Cable Replacement - Right Rear (w/NYS) 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 Replacement - Rear (1500 Series) or Brake Caliper Replacement - Rear (2500/3500 Series) in Disc Brakes. 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. Fig 1: Flex Hose Bracket Bolts, Pipe Bracket Bolts, Jounce Bracket Bolt & Pipe Bracket Nut
    GM793892Courtesy of GENERAL MOTORS CORP.
  12. Disconnect the shock absorbers from the axle brackets. Refer to Shock Absorber Replacement 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. Fig 2: Removing U-Bolts
    GM348393Courtesy of GENERAL MOTORS CORP.
  16. Lower the axle assembly.
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