Lubricant Replacement

Lubricant Change

Removal Procedure





1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the rear axle fill plug.





3. For the 7.6 inch axle, remove the rear axle housing cover and the rear axle housing cover gasket.





4. For the 8.6 inch axle, remove the rear axle drain plug.
5. Drain the lubricant into a suitable container.
6. Inspect the drain plug for excessive metal particle accumulation. This accumulation is symptomatic of extreme wear.
7. Clean the drain plug.

Installation Procedure





1. For the 7.6 inch axle, install the new rear axle housing cover gasket and the rear axle housing cover.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the rear axle housing cover bolts.
Tighten the rear axle housing cover bolts in a crosswise pattern to 30 Nm (20 ft. lbs.).





3. For the 8.6 inch axle, install the rear axle drain plug.
Tighten the rear axle drain plug to 39 Nm (29 ft. lbs.).
4. Fill the rear axle. Use the proper fluid.





5. Install the rear axle fill plug.
Tighten the rear axle fill plug to 33 Nm (24 ft. lbs.).
6. Lower the vehicle.