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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Rear Drive Axle >> Repair Instructions >> Rear Axle Lubricant Level Inspection

Rear Axle Lubricant Level Inspection

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  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. Fig 1: Rear Drive Axle Fill Plug
    GM913433Courtesy of GENERAL MOTORS CORP.
  5. Remove the rear axle fill plug.
  6. Inspect the lubricant level.

    Specification:  The lubricant level should be between 0-10 mm (0-0.4 in) below the fill plug opening.

  7. 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 .
    8. NOTE: Refer to Fastener Notice .
  8. Install the rear axle fill plug.

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

  9. Lower the vehicle.
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