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

Front 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 front axle for leaks. Repair as necessary.
  4. Remove the engine protection shield (if equipped). Refer to Engine Protection Shield Replacement .
  5. Clean the area around the front axle fill plug (1).
    6. Fig 1: Front Drive Axle Fill & Drain Plug
    GM865996Courtesy of GENERAL MOTORS CORP.
  6. Remove the front axle fill plug (1).
  7. Inspect the oil level.

    Specification:  The oil level should be between 0-10 mm (0-0.375 in) below the fill plug opening.

  8. If the level is low, add oil until the level is even with the bottom edge of the fill plug opening. Use the proper fluid. Refer to Fluid and Lubricant Recommendations .
    9. NOTE: Refer to Fastener Notice .
  9. Install the fill plug.

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

  10. Install the engine protection shield. Refer to Engine Protection Shield Replacement .
  11. Lower the vehicle.
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