Differential Assembly: Reassembly

2004 Oldsmobile Bravada RWDSECTION Reassembly
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Required Tools: Seal Installer (J-44809) and Output Shaft Seal Installer (J-44809).
  1. Using the Seal Installer, install left and right axle shaft oil seals. See REAR AXLE SHAFT SEALS  . Lubricate "O" ring seal with Lubricate the O-ring seal and oil seal sealing surface with gear oil GM P/N 12378514 (Canadian P/N 88901045). Install NEW "O" ring into groove of pinion housing. Using Seal Installer, install oil seal into pinion housing.
  2. Install pinion housing assembly and shim into differential. Install and tighten differential bolts to specification. See TORQUE SPECIFICATIONS  . Install torque tube onto differential. See TORQUE TUBE ASSEMBLY  . Install torque tube bracket nut and bolt. Install spacers to tube flange. Install the bracket, bolt, washers and nut to the tube.
  3. Install the O-ring seals onto the clutch pump check valve. Install the valve and bolts to the differential. Tighten the valve bolts to specification. See TORQUE SPECIFICATIONS  . Install the vent hose assembly and clamp to the differential. Install the oil drain plug and gasket to the differential. Tighten the drain plug to specification. See TORQUE SPECIFICATIONS  .
RENDER: 1.0x

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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.