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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Front Drive Axle >> Repair Instructions >> Differential Carrier Assembly Replacement >> Installation Procedure

Installation Procedure

  1. Install the differential carrier assembly to the vehicle.
  2. Perform the following procedure before installing the axle mounting bolts.
    1. 2.1 Remove all traces of the original adhesive patch.
    2. 2.2 Clean the threads of the bolt with brake parts cleaner or the equivalent and allow to dry.
    3. 2.3 Apply Threadlocker GM P/N 12345382 (Canadian P/N 10953489) to the threads of the bolt.
  3. Install the differential carrier assembly right side axle mount bolt and nut. Tighten the bolts to 100 N.m (75 lb ft).
    4. Fig 1: Identifying Axle Mount Bolt & Nut
    G01279592Courtesy of GENERAL MOTORS CORP.
  4. Install the differential carrier assembly left side axle mount bolt and nut. Tighten the bolts to 100 N.m (75 lb ft).
  5. Remove the transmission jack.
  6. Install the lower control arm crossmember.
  7. Connect the vent hose (1) to the differential carrier case assembly (2).
    8. Fig 2: Identifying Vent Hose
    G01279593Courtesy of GENERAL MOTORS CORP.
  8. Install the wheel drive shafts. Refer to WHEEL DRIVE SHAFT REPLACEMENT .
  9. Install the front propeller shaft to the differential carrier assembly. Refer to PROPELLER SHAFT REPLACEMENT - FRONT .
  10. Inspect the lubricant level and add, if necessary. Refer to Lubricant Level Inspection - Front Drive Axle .
  11. Install the catalytic converter guard. Refer to
  12. Install the engine protection shield. Refer to
  13. Remove the jack or utility stands.
  14. Lower the vehicle.
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