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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 901 (Rear Drive Axle) >> Repair Instructions >> Differential Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

Important:  Group and mark the shims together as originally removed. If you remove or replace the ring and pinion gearset, perform the bearing preload, backlash, and gear tooth contact pattern check in order to ensure proper contact of the gears. If you reinstall or replace the differential carrier without replacing any other component (i.e. pinion and ring gear set, bearings, etc.) then you may reinstall the carrier with the original shims in their original locations. Always perform a gear tooth contact pattern check, even when you remove only the carrier.

  1. Raise the vehicle. Refer to JACKING AND LIFTING in General Information.
    Fig 1: Removing Bearing Caps And Bolts
    G01468160Courtesy of GENERAL MOTORS CORP.
  2. Remove the tires and wheel assemblies. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  3. Remove the brake calipers, if equipped. Refer to BRAKE CALIPER -- REAR in Disc Brakes.
  4. Remove the brake rotors, if equipped. Refer to BRAKE ROTOR -- REAR in Disc Brakes.
  5. Remove the brake drums, if equipped. Refer to BRAKE DRUM in Drum Brakes.
  6. Remove the rear axle housing cover and the gasket. Refer to REAR AXLE HOUSING COVER AND GASKET REPLACEMENT  .
  7. Remove the axle shafts. Refer to REAR AXLE SHAFT REPLACEMENT  .
  8. Remove the bearing caps and bolts. Mark the bearing caps left and right.
    CAUTION: To prevent personal injury and/or component damage, support the differential case when removing the case from the axle housing. If the case is not supported, the differential case could fall and cause personal injury or damage to the differential case.
    NOTE: When removing the differential case from the axle housing, do not damage the cover gasket surface. If the cover gasket surface is damaged, lubricant may leak from the axle and cause premature failure of the axle assembly.
  9. Remove the differential by prying the differential from the axle housing at the differential window.
    Fig 2: Removing Ring Gear
    G01468161Courtesy of GENERAL MOTORS CORP.
  10. Remove the differential assembly.
  11. Remove the bearing cups, the shims, and the spacers as necessary.

    Mark the cups and shims left and right and in the proper order as necessary. Place the cups and the shims with the bearing caps.

  12. Remove the differential side bearings, if necessary. Refer to DIFFERENTIAL SIDE BEARINGS REPLACEMENT  .
  13. Remove the ring gear, if necessary. Refer to DRIVE PINION AND RING GEAR REPLACEMENT  .
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