Removal Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 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 .

Fig 1: View Of Rear Axle Fill Plug

Courtesy of GENERAL MOTORS CORP.

Remove the rear axle fill plug.

Fig 2: Locating Rear Axle Drain Plug

Courtesy of GENERAL MOTORS CORP.

Remove the rear axle drain plug.
Drain the lubricant into a suitable container.
Inspect the drain plug for excessive metal particle accumulation. This accumulation is symptomatic of extreme wear.
Clean the drain plug.