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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1612 (Rear Drive Axle) >> Repair Instructions >> Rear Axle Replacement (15/25 Series) >> Installation Procedure

Installation 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. Place the rear axle assembly under the vehicle.
  2. Align the rear axle assembly with the springs.
  3. Connect the spacers, the spring plates and the U-bolts to the rear axle.
  4. Raise the rear axle assembly into position.
    NOTE: Refer to FASTENER NOTICE .
    Fig 1: Brake Line Bracket, Brake Calipers & Mounting Bolts
    G01480767Courtesy of GENERAL MOTORS CORP.
  5. Install the washers if equipped and the nuts to the U-bolts.

    Tighten

    • 15 Series tighten the nuts in a criss cross pattern to 72 N.m (53 lb ft).
    • 25 series tighten the nuts in a criss cross pattern to 150 N.m (110 lb ft).
  6. Install the vent hose to the rear axle vent fitting. Refer to Vent Hose Replacement .
  7. Connect the shock absorbers to the rear axle. Refer to SHOCK ABSORBER REPLACEMENT .
  8. Install the brake calipers. Refer to BRAKE CALIPER .
  9. Install the brake lines and the brake line bracket bolts to the axle.
  10. Connect the parking brake cable. Refer to PARK BRAKE CABLE .
  11. Install the tire and wheel assemblies. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION  .
  12. Connect the propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT-ONE PIECE  or  PROPELLER SHAFT REPLACEMENT-TWO PIECE  .
  13. Fill the axle with lubricant. Use the proper fluid.
  14. Remove the utility stands.
  15. Lower the vehicle.
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