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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1493 (Rear Drive Axle) >> Repair Instructions >> Rear Axle Shaft Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Carefully insert the axle shaft in order to not damage the seal.
  1. Install the axle shaft into the rear axle housing.
  2. Slide the axle shaft into place allowing the splines to engage the differential side gear.
    Fig 1: Installing Axle Shaft Into Rear Axle Housing
    G01597866Courtesy of GENERAL MOTORS CORP.
  3. On axles without a locking differential, place the C-lock on the button end of the axle shaft.
  4. On axles with a locking differential, keep the pinion shaft partially withdrawn.
    Fig 2: Placing C-Lock On Button End Of Axle Shaft
    G01597867Courtesy of GENERAL MOTORS CORP.
  5. On axles with a locking differential, place the C-lock (1) on the axle shaft (3) so that the ends are flush with the thrust block (2).
  6. Pull the shaft flange outward in order to seat the C-lock in the differential gear.
    Fig 3: Placing C-Lock (1) On Axle Shaft (3)
    G01597868Courtesy of GENERAL MOTORS CORP.
  7. Align the hole in the pinion shaft with the bolt hole in the differential case.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  8. Install the new pinion shaft locking bolt.

    Tighten 

    Tighten the pinion shaft locking bolt to 36 N.m (27 lb ft).

  9. Install the rear axle housing cover and the gasket. Refer to REAR AXLE HOUSING COVER AND GASKET REPLACEMENT   .
  10. Install the brake caliper. Refer to Brake Caliper Replacement - Rear   in Disc Brakes.
  11. Install the tire and wheel assembly. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION  in Tires and Wheels.
  12. Fill the rear axle with axle lubricant. Use the proper fluid. Refer to LUBRICANT LEVEL INSPECTION - REAR DRIVE AXLE   .
  13. Lower the vehicle.
    Fig 4: Installing New Pinion Shaft Locking Bolt
    G01597869Courtesy of GENERAL MOTORS CORP.
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