GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure

  1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging .

  2. Object Number: 281159  Size: SH
  3. Remove the compressor hose assembly bolt (1) and the washer (2).
  4. Remove the compressor hose assembly from the compressor.
  5. Remove the sealing washers.

  6. Object Number: 3467  Size: SH
  7. Remove the compressor hose assembly from the accumulator.
  8. Remove the O-ring seal and discard.
  9. Remove the lower radiator hose. Refer to Radiator Inlet Hose Replacement in Engine Cooling.

  10. Object Number: 281172  Size: SH
  11. Remove the compressor hose assembly from the condenser.
  12. Remove the O-ring seal and discard.

Installation Procedure

  1. Install a new O-ring seal. Refer to O-Ring Replacement .
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 281172  Size: SH
  3. Install the compressor hose assembly to the condenser.
  4. Tighten
    Tighten the hose to 28 N·m (21 lb ft).

  5. Install the lower radiator hose. Refer to Radiator Inlet Hose Replacement in Engine Cooling.
  6. Install a new O-ring seal. Refer to O-Ring Replacement .

  7. Object Number: 3467  Size: SH
  8. Install the compressor hose assembly to the accumulator.
  9. Tighten
    Tighten the hose to 48 N·m (35 lb ft).

  10. Install the sealing washers. Refer to Sealing Washer Replacement .

  11. Object Number: 281159  Size: SH
  12. Install the compressor hose assembly to the compressor.
  13. Install the compressor hose assembly washer (2) and the bolt (1).
  14. Tighten
    Tighten the bolt to 33 N·m (24 lb ft).

  15. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  16. Leak test the fittings of the components using J 39400-A .