GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 9398-A Bearing Remover
    • J 33020 Pulley Puller
    • J 8092 Drive Handle

Disassembly Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1280026  Size: SH
  1. Disconnect the negative battery cable.
  2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  3. Remove the compressor. Refer to Air Conditioning Compressor Replacement .
  4. Remove the clutch drive plate and the hub assembly. Refer to Compressor Clutch Plate and Hub Assembly Removal .
  5. Use the snap ring pliers to remove the pulley rotor and the bearing assembly retaining ring.

  6. Object Number: 1280027  Size: SH
  7. Install J 33020  (1) into the inner circle of slots in the pulley rotor. Turn J 33020  (1) clockwise in the slots to engage the puller tangs with the segments between the slots in the rotor.
  8. In order to remove the pulley rotor and the bearing assembly, hold J 33020  (1) in place and tighten the puller bolt against the compressor shaft.

  9. Object Number: 1280028  Size: SH

    Notice: Do not support the rotor/hub assembly by resting the compressor pulley on a flat surface. Always support the rotor/hub assembly by securely resting the hub on a stable flat surface. The compressor pulley face could be damaged.

  10. Remove the puller bolt from J 33020  (3). With the puller tangs still engaged in the rotor slots, invert the assembly onto a solid flat surface or blocks.
  11. Notice: When removing the bearing, it is not necessary to remove the staking in front of the bearing. It will be necessary to file away the old stake metal for proper clearance for the new bearing to be installed into the rotor bore or the bearing may be damaged.

  12. Use J 9398-A  (2) and J 8092  (1) to drive the bearing out of the rotor hub.