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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1014 (Rear Drive Axle) >> Repair Instructions >> Rear Axle Shaft Replacement (8.6 Inch Axle w/Drum Brake w/VSES) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the axle shaft in the differential housing allowing the splines to engage the differential side gears.
  2. On axles without a locking differential, place the C-lock on the button end of the axle shaft.
  3. On axles with a locking differential, keep the pinion shaft partially withdrawn.
  4. Install the brake drum
    5. Fig 1: View Of Axle Shaft, Lock & Thrust Block
    GM156412Courtesy 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. Fig 2: C-Lock From Button End Of Axle Shaft
    GM788486Courtesy of GENERAL MOTORS CORP.
  6. On axles with a non-locking differential, place the C-lock on the button of the of axle shaft.
  7. Pull the axle shaft outward in order to seat the lock in the differential gear.
    8. Fig 3: View Of Pinion Shaft Locking Bolt
    GM156409Courtesy of GENERAL MOTORS CORP.
  8. Align the hole in the pinion shaft with the bolt hole in the differential case.
    9. NOTE: Refer to Fastener Notice .
  9. Install the new pinion shaft locking bolt.

    Tighten:  Tighten the bolt to 34 N.m (25 lb ft).

  10. Install the rear axle cover and gasket. Refer to Rear Axle Housing Cover and Gasket Replacement .
  11. Install the rear wheel speed sensor. Refer to Rear Wheel Speed Sensor Replacement .
  12. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  13. Fill the rear axle with fluid. Refer to Rear Axle Lubricant Level Inspection (11.5 Inch Axle)  or Rear Axle Lubricant Level Inspection (8.6, 9.5 LD Axle)  or Rear Axle Lubricant Level Inspection (10.5 Inch Axle) .
  14. Remove the support and lower the vehicle.
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