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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Rear Drive Axle >> Repair Instructions >> Differential Replacement >> Installation Procedure

Installation Procedure

  1. Install the ring gear, if necessary. Refer to DRIVE PINION AND RING GEAR REPLACEMENT .
  2. Install the differential side bearings, if necessary. Refer to DIFFERENTIAL SIDE BEARINGS REPLACEMENT .
  3. Lubricate the differential side bearings with axle lubricant. Use the proper fluid. Refer to SPECIFICATIONS in General Information.
  4. Place the case, with the bearing cups installed, into the axle housing.

    Support the case in order to keep the case from falling out of he axle housing.

    Fig 1: Identifying Differential
    G01643135Courtesy of GENERAL MOTORS CORP.
  5. Install the bearing caps and the bolts.

    Do not torque the bearing cap bolts at this time.

    Fig 2: Bearing Caps & Bolts
    G01643136Courtesy of GENERAL MOTORS CORP.
  6. Adjust the differential side bearing preload. Refer to DIFFERENTIAL SIDE BEARING PRELOAD ADJUSTMENT .
  7. Adjust the backlash. Refer to BACKLASH ADJUSTMENT .
  8. Perform a gear tooth contact pattern check. Refer to GEAR TOOTH CONTACT PATTERN INSPECTION .
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  9. Tighten the bearing cap bolts.

    Tighten 

    Tighten the bearing cap bolts to 75 N.m (55 lb ft).

  10. Install the axle shafts. Refer to REAR AXLE SHAFT REPLACEMENT .
  11. Fill the axle with lubricant. Use the proper fluid. Refer to LUBRICANT REPLACEMENT - REAR DRIVE AXLE .
  12. Lower the vehicle.
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