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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.
  1. Raise the vehicle. Refer to JACKING AND LIFTING in General Information.
    Fig 1: Removing Drive Pinion From Axle
    G01468153Courtesy of GENERAL MOTORS CORP.
  2. Remove the tire 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 axle shafts. Refer to REAR AXLE SHAFT REPLACEMENT  .
  7. Remove the differential assembly. Refer to DIFFERENTIAL REPLACEMENT  .
  8. Remove the drive pinion from the axle. Refer to DRIVE PINION AND RING GEAR REPLACEMENT  .
  9. For 7.6 inch axles and 1st design 8.6 inch axles, press the bearing off of the pinion using the J 22912-01  .
  10. For 2nd design 8.6 inch axles, install the J 45871  (1) around the pinion bearing and the J 22912-01  (2) in the inverted position around the J 45871  .
  11. Press the bearing off of the pinion using the J 45871  and the J 22912-O1  .
  12. Remove the shim.
  13. Remove the outer pinion bearing cup from the axle housing using a hammer and brass drift in the slots provided. Move the drift back and forth between one side of the cup and the other in order to evenly work the cup out of the housing.
  14. Remove the inner pinon bearing cup from the axle housing using a hammer and brass drift in the slots provided. Move the drift back and forth between one side of the cup and the other in order to evenly work the cup out of the housing.
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