GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Jimmy - 4WD 🢒 Driveline/Axle 🢒 Rear Drive Axle 🢒 Rear Axle Lubricant Replacement

Removal Procedure
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    2. Object Number: 392774 Size: SH
  2. Remove the rear axle fill plug.

    3. Object Number: 1500 Size: SH
  3. Remove the rear axle housing cover and the rear axle housing cover gasket.
  4. Drain the lubricant into a suitable container.
  5. Inspect the bottom of the rear axle housing for excessive metal particle accumulation. This accumulation is symptomatic of extreme wear.

Installation Procedure

    Object Number: 1500 Size: SH
  1. Install the new rear axle housing cover gasket and the rear axle housing cover.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the rear axle housing cover bolts.

    3. Tighten
    Tighten the rear axle housing cover bolts in a crosswise pattern to 39 N·m (29 lb ft).

  3. Fill the rear axle. Use the proper fluid. Refer to Approximate Fluid Capacities and Fluid and Lubricant Recommendations in Maintenance and Lubrication.

    4. Object Number: 392774 Size: SH
  4. Install the rear axle fill plug.

    5. Tighten
    Tighten the rear axle fill plug to 33 N·m (24 lb ft).

  5. Lower the vehicle.