GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2008 🢒 H2 🢒 General Information 🢒 General Information 🢒 Front Drive Axle Inner Shaft and Inner Shaft Housing Replacement

Removal Procedure
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Drain the front drive axle. Refer to Front Axle Lubricant Replacement .

    3. Object Number: 763646 Size: SH
  3. Remove the right wheel drive shaft inboard flange bolts from the inner axle shaft.
  4. Disconnect the right wheel drive shaft from the inner axle shaft.

    5. Object Number: 763648 Size: SH
  5. Disconnect the inner axle shaft from the differential case side gear using a hammer and brass drift.

    6. Object Number: 763653 Size: SH
  6. Remove the inner axle shaft housing nuts from the bracket.

    7. Object Number: 763644 Size: SH
  7. Remove the inner axle shaft housing bolts from the differential carrier assembly.
  8. Remove the inner axle shaft and inner axle shaft housing from the vehicle.
  9. Remove the inner axle shaft from the inner axle shaft housing.
  10. Remove the inner axle shaft seal and the bearing from the inner axle shaft housing. Refer to Front Drive Axle Inner Shaft Seal and Inner Shaft Bearing Replacement .

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.

    3. 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. Object Number: 763644 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  5. Install the inner axle shaft housing bolts.

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


    Object Number: 763653 Size: SH
  6. Install the inner axle shaft housing nuts to the bracket.

    7. 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:
    8. 7.1. Turn the inner axle shaft and align the splines of the inner axle shaft with the splines on the differential side gear.
    7.2. 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.
    7.3. 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. Object Number: 763646 Size: SH
  9. Install the right wheel drive shaft inboard flange to inner axle shaft bolts.

    10. 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.