Sierra 3500 4WD V8-8.1L VIN G (2006)
The lubricant level should be between 0 - 10 mm (0 - 0.4 inch) below the fill plug opening.
7. If the level is low, add lubricant until the level is even with the bottom edge of the fill plug opening. Use the proper fluid. Refer to Fluid and
Lubricant Recommendations.
8. Install the rear axle fill plug.
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Tighten the rear axle fill plug to 33 Nm (24 ft. lbs.).
Notice: Refer to Fastener Notice.
9. Lower the vehicle.
Lubricant Level Inspection - Rear Drive Axle (9.75 Inch Axle)
Lubricant Level Inspection - Rear Drive Axle (9.75 Inch Axle)
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Ensure 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.
6. Inspect the lubricant level.
The lubricant level should be between 0 - 4 mm (0 - 0.16 inch) below the fill plug opening.
7. If the level is low, add lubricant until the level is even with the bottom edge of the fill plug opening. Use the proper fluid.
8. Install the rear axle fill plug.
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Tighten the rear axle fill plug to 21 Nm (15 ft. lbs.).
Notice: Refer to Service Precautions.
9. Lower the vehicle.
Lubricant Replacement - Rear Drive Axle (8.6 Inch Axle)
Lubricant Replacement - Rear Drive Axle (8.6 Inch Axle)
Removal Procedure
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the rear axle fill plug.
