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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 946 (Front Drive Axle) >> Repair Instructions >> Front Axle Lubricant Level Inspection (8.25 Inch Axle)

Front Axle Lubricant Level Inspection (8.25 Inch Axle)

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Make sure the vehicle is level.
  3. Inspect the front axle for leaks. Repair as necessary.
  4. Clean the area around the front axle fill plug.
  5. Fig 1: View Of Front Axle Fill Plug
    GM1690153Courtesy of GENERAL MOTORS CORP.
  6. Remove the front axle fill plug (1).
  7. Inspect the oil level.

    Specification:  The 8.25 inch axle the oil level should be between 12-16 mm (0.50-0.625 in) below the fill plug opening.

  8. If the level is low, add oil until the level is between 12-16 mm (0.50-0.625 in) for the 8.25 inch axle. Use the correct fluid. Refer to Sealers, Adhesives, and Lubricants .
  9. NOTE: Refer to Fastener Notice .
  10. Install the fill plug.

    Tighten:  Tighten the plug to 33 N.m (24 lb ft).

  11. Lower the vehicle.