Rear Axle Lubricant Level Inspection (10.5 Inch Axle)

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
Make sure the vehicle is level.
Inspect the rear axle for leaks. Repair as necessary.
Clean the area around the rear axle fill plug.

Fig 1: Rear Axle Fill Plug (9.5, 10.5 Inch Axle)

Courtesy of GENERAL MOTORS CORP.

Remove the rear axle fill plug.
Inspect the lubricant level.
Specification: The lubricant level should be between 0-10 mm (0-0.4 in) below the fill plug opening.
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 (USA and Canada) .

CAUTION: Refer to Fastener Caution .

Install the rear axle fill plug.
Tighten: Tighten the rear axle fill plug to 33 N.m (24 lb ft).
Lower the vehicle.