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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 Drive Axle Inner Shaft and Inner Shaft Housing Replacement >> Installation Procedure

Installation Procedure

  1. Install the new inner axle shaft bearing and the new seal to the inner axle shaft housing. Refer to Front Drive Axle Inner Shaft Seal and Inner Shaft Bearing Replacement .
  2. Install the inner axle shaft into the inner axle shaft housing.

    Do not install the inner axle shaft completely into the inner axle shaft housing at this time.

  3. Apply sealant GM P/N 1052942 (Canadian P/N 10953466) or equivalent to the inner axle housing to differential carrier sealing surface.
  4. Install the inner axle shaft and the inner axle shaft housing to the differential carrier assembly.
    5. Fig 1: Inner Axle Shaft Housing Bolts - Front Drive Axle
    GM763644Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  5. Install the inner axle shaft housing bolts.

    Tighten:  Tighten the inner axle shaft housing bolts to 40 N.m (30 lb ft).

    6. Fig 2: Front Drive Inner Axle Shaft Housing Nuts
    GM763653Courtesy of GENERAL MOTORS CORP.
  6. Install the inner axle shaft housing nuts to the bracket.

    Tighten:  Tighten the inner axle shaft housing nuts to 100 N.m (75 lb ft).

  7. Install the inner axle shaft into the differential case side gear by doing the following:
    1. Turn the inner axle shaft and align the splines of the inner axle shaft with the splines on the differential side gear.
    2. Drive the inner axle shaft into the differential case side gear assembly using a soft-faced mallet until the retaining ring on the inner axle shaft is fully seated within the groove in the differential case side gear.
    3. Pull back on the inner axle shaft to ensure that the inner axle shaft is properly retained in the differential case side gear.
  8. Install the right wheel drive shaft to the inner axle shaft.
    9. Fig 3: View Of Wheel Drive Shaft Inboard Flange Bolt - Front Drive Axle
    GM763646Courtesy of GENERAL MOTORS CORP.
  9. Install the right wheel drive shaft inboard flange to inner axle shaft bolts.

    Tighten:  Tighten the wheel drive shaft inboard flange to inner axle shaft bolts to 79 N.m (58 lb ft).

  10. Fill the front axle with axle lubricant. Use the proper fluid. Refer to Fluid and Lubricant Recommendations and Approximate Fluid Capacities .
  11. Lower the vehicle.
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