Installation Procedure

2004 Oldsmobile Bravada RWDSECTION Installation 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. Install the lower differential carrier assembly bushing by performing the following steps:
    1. Install the J 21474-18 (1), the thrust bearing (2), the J 36616-2 (3), the J 36616-1 (4), and the forcing screw (5) as shown.
    2. While holding the forcing screw, slowly tighten the J 21474-18 until the bushing has stopped against the step on the bushing and is centered within the differential carrier assembly bushing bore.
  2. Fig 1: Installing Lower Differential Carrier Assembly Bushing Using J 21474-18, Thrust Bearing, J 36616-2, J 36616-1, & Forcing Screw
    GM892851Courtesy of GENERAL MOTORS CORP.
  3. Install the upper differential carrier assembly bushing by performing the following steps:
    1. Install the J 21474-18 (1), the thrust bearing (2), the J 36616-2 (3), the J 36616-1 (4), and the forcing screw (5) as shown.
    2. While holding the forcing screw, slowly tighten the J 21474-18 until the bushing has stopped against the step on the bushing and is centered within the differential carrier assembly bushing bore.
  4. Fig 2: Installing Upper Differential Carrier Assembly Bushing J 21474-18, Thrust Bearing, J 36616-2, J 36616-1, & Forcing Screw
    GM893253Courtesy of GENERAL MOTORS CORP.
  5. Install the differential carrier assembly. Refer to Differential Carrier Assembly Replacement .
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.