GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 43600 ACR 2000 Air Conditioning Service Center
    • J 39400-A Halogen Leak Detector

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .

  3. Object Number: 892731  Size: SH

    Caution: Do not remove hoses or lines before system is fully discharged. System may be under pressure and contact with R134a may cause personal injury.

  4. Remove the bolt that secures the suction pipe to the compressor.
  5. Remove the suction pipe and seal washer from the compressor.
  6. Install the caps on the pipe and compressor to prevent moisture entry and oil spillage.

  7. Object Number: 892729  Size: SH
  8. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  9. Remove the nut that secures the suction pipe to the evaporator hose assembly.
  10. Remove the suction pipe and seal washer from the evaporator hose assembly.
  11. Install the cap on the evaporator hose assembly hose to prevent moisture entry and oil spillage.
  12. Lower the vehicle.

Installation Procedure


    Object Number: 892731  Size: SH
  1. Remove the suction pipe cap.
  2. Install new seal washer. Refer to Sealing Washer Replacement .
  3. Install the suction pipe to the compressor.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the bolt that secures the suction pipe to the compressor.
  6. Tighten
    Tighten the bolt to 16 N·m (12 lb ft).

  7. Raise the vehicle.
  8. Remove the evaporator hose assembly cap.
  9. Install a new seal washer. Refer to Sealing Washer Replacement .

  10. Object Number: 892729  Size: SH
  11. Install the evaporator hose assembly to the suction pipe.
  12. Install the nut that secures the evaporator hose to the suction pipe.
  13. Tighten
    Tighten the nut to 12 N·m (106 lb in).

  14. Lower the vehicle.
  15. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  16. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  17. Using J 39400-A , leak test the fittings of the component.