Sierra Classic 1500 4WD V8-5.3L (2007)
Fluid - Differential: Removal and Replacement
Front Differential
Front Axle Lubricant Replacement
Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the front differential carrier shield, if equipped. Refer to Shield Replacement.
3. Clean the area around the front axle fill plug and the drain plug.
4. Remove the fill plug.
5. Remove the drain plug.
6. Drain the fluid from the front differential carrier assembly.
Installation Procedure
1. Notice:
Refer to Fastener Notice.
Install the drain plug.
Tighten the drain plug to 33 Nm (24 ft. lbs.).
2. Fill the differential carrier assembly with axle lubricant. Use the correct fluid.
3. Install the fill plug.
Tighten the fill plug to 33 Nm (24 ft. lbs.).
4. Install the front differential carrier shield, if equipped.
5. Lower the vehicle.
Rear Axle Lubricant Replacement (8.6 Inch Axle)
Rear Axle Lubricant Replacement (8.6 Inch Axle)
Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
