Sierra 1500 2WD V8-5.3L Hybrid (2004)
Fluid - Differential: Service and Repair
11.5 Inch Axle
Lubricant Level Inspection - Rear Drive Axle (11.5 Inch Axle)
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Make sure the vehicle is level.
3. Inspect the rear axle for leaks. Repair as necessary.
4. Clean the area around the rear axle fill plug.
5. Remove the rear axle fill plug and the seal.
6. Inspect the lubricant level.
The lubricant level should be between 17-21 mm (0.6-0.8 inch) below the fill plug opening.
7. If the level is low, add lubricant until the level is between 17-21 mm (0.6-0.8 inch) below the fill plug opening. Use the proper fluid.
8. Notice:
Refer to Fastener Notice in Service Precautions.
Install the rear axle fill plug and gasket.
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Tighten the rear axle fill plug to 33 Nm (24 ft. lbs.).
9. Lower the vehicle.
