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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1121 (Rear Drive Axle) >> Repair Instructions >> Differential Housing Support Bushing Replacement (Left) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Support Bracket Assembly
    GM1979470Courtesy of GENERAL MOTORS CORP.
  1. Position the differential support bracket assembly (1) on the differential housing.
  2. Fig 2: Identifying Mounting Bolts of Mounting Bracket
    GM1979450Courtesy of GENERAL MOTORS CORP.
  3. Hand start the mounting bolts (1) for the support bushing mounting bracket.
  4. NOTE: Refer to Fastener Notice .
  5. Tighten the support bushing mounting brackets bolt.

    Tighten:  Tighten the differential mounting bracket bolts to 25 N.m (18 lb ft).

  6. Lift the rear differential into position.
  7. Fig 3: Identifying Bushing Mounting
    GM1979731Courtesy of GENERAL MOTORS CORP.
  8. Hand start the support bushing mounting (1) by hand.
  9. Install the left and right front differential support bushing mounting bolt.

    Tighten:  Tighten the differential mounting bolts to 175 N.m (129 lb ft).

  10. Remove the transmission jack stand.
  11. Remove the supports and lower the vehicle.