GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39400-A Halogen Leak Detector

Remove Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .

  2. Object Number: 614445  Size: SH
  3. Remove the nut (1) and discharge hose from the condenser.
  4. Raise and support vehicle. Refer to Lifting and Jacking the Vehicle
  5. Remove the lower radiator air deflector. Refer to Front Air Deflector Replacement in Body Front End.
  6. Disconnect the electrical connector from the A/C refrigerant pressure sensor (1).

  7. Object Number: 608775  Size: SH
  8. Disconnect the discharge hose (3) from the compressor and remove.
  9. Remove the discharge hose.

Installation Procedure

    Important: Inspect the seal washers for damage before reinstalling the A/C lines and hoses.

    If any damage is noted during inspection, the suspect seal must be replaced.

    Flat washer type seals do not require lubrication.

  1. Position the discharge hose into the vehicle.

  2. Object Number: 608775  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the discharge hose (3) and nut (2) to the compressor.
  4. Tighten
    Tighten the nut to 20 N·m (15 lb ft).

  5. Connect the electrical connector to the A/C refrigerant pressure sensor (1).
  6. Lower the vehicle.

  7. Object Number: 614445  Size: SH
  8. Install the discharge hose nut (1) to the condenser.
  9. Tighten
    Tighten the nut to 20 N·m (15 lb ft).

  10. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  11. Leak test the fittings of the component using the J 39400-A .
  12. Install the front air deflector. Refer to Front Air Deflector Replacement in Body Front End.