Sierra Classic 2500 4WD V8-6.0L (2007)
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. Refer to
Fluid and Lubricant Recommendations.
8. Notice:
Refer to Fastener Notice.
Install the rear axle fill plug and gasket.
Tighten the rear axle fill plug to 33 Nm (24 ft. lbs.).
9. Lower the vehicle.
Rear Axle Lubricant Level Inspection (8.6 Inch Axle)
Rear Axle Lubricant Level Inspection (8.6 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.
6. Fabricate a dipstick from a pipe cleaner or similar item. Form the pipe cleaner into an "L".
7. Insert the pipe cleaner into the fill plug opening with the stem facing down.
8. Remove the pipe cleaner and measure the distance from the bend in the pipe cleaner to the lubricant level.
The distance between the bend and the lubricant level should be 15 - 40 mm (0.6 - 1.6 inch).
9. If the measurement is greater than 40 mm (1.6 inch), add lubricant until the level is between 15 - 40 mm (0.6 - 1.6 inch) from the bottom edge
of the fill plug hole. Use the proper fluid. Refer to Fluid and Lubricant Recommendations.
10. Notice:
Refer to Fastener Notice.
Install the rear axle fill plug.
Tighten the rear axle fill plug to 33 Nm (24 ft. lbs.).
11. Lower the vehicle.
Rear Axle Lubricant Level Inspection (9.5 Inch HD and 10.5 Inch Axles)
Rear Axle Lubricant Level Inspection (9.5 Inch HD and 10.5 Inch Axles)
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.
