Lubricant Replacement - Rear Drive Axle

Lubricant Replacement - Rear Drive Axle
Draining Procedure





1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Place a drain pan below the rear drive module.
3. Remove the drain plug from the front of the rear drive module, below the input flange.
4. Drain the fluid.

Filling Procedure





1. Thoroughly clean the threads of the drain plug.
2. Apply sealer GM P/N 12346004 (Canadian P/N 10953480) to the drain plug threads.

Notice: Refer to Fastener Notice in Service Precautions.

3. Install the drain plug to the rear drive module.
^ Tighten the drain plug to 30 Nm (22 lb ft).
4. Remove the rear drive module fill plug.
5. Fill the rear drive module with fluid GM P/N 12378514 (Canadian P/N 88901045).
Fill initially with 750 ml (25.4 oz) of fluid.
6. Inspect the fluid level.
7. Thoroughly clean the threads of the fill plug.
8. Apply sealer GM P/N 12346004 (Canadian P/N 10953480) to the fill plug threads.
9. Install the fill plug to the rear drive module.
^ Tighten the fill plug to 35 Nm (26 lb ft).
10. Lower the vehicle.