GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 38042 Dual O-Ring Tube Separator
    • J 39500-B Air Conditioning Refrigerant, Recycling and Recharging (ACR4) System

    Object Number: 247227  Size: SH
  1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging .
  2. Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  3. Disconnect the negative battery cable.
  4. Remove the upper A/C compressor hose clip.

  5. Object Number: 247315  Size: SH
  6. Remove the A/C compressor hose from the accumulator.

  7. Object Number: 247310  Size: SH
  8. Remove the A/C compressor hose from the condenser.

  9. Object Number: 247288  Size: SH
  10. Disconnect the electrical connector from the A/C pressure sensor.
  11. Remove the nut that attaches the A/C compressor hose to the A/C compressor.
  12. Remove the A/C compressor hose from the vehicle.

Installation Procedure

Tools Required

J 39400 Electronic Halogen Leak Detector


    Object Number: 247288  Size: SH
  1. Install the A/C compressor hose to the vehicle.
  2. 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 nut to attach the A/C compressor hose to the A/C compressor.
  4. Tighten
    Tighten the nut to 30 N·m (22 lb ft).

  5. Connect the electrical connector to the A/C pressure switch.

  6. Object Number: 247310  Size: SH
  7. Install the A/C compressor hose to the condenser.
  8. Tighten
    Tighten the condenser connection to 24 N·m (18 lb ft).


    Object Number: 247315  Size: SH
  9. Install the A/C compressor hose to the accumulator.
  10. Tighten
    Tighten the accumulator connection to 24 N·m (18 lb ft).


    Object Number: 247227  Size: SH
  11. Install the upper A/C compressor hose clip.
  12. Connect the negative battery cable.
  13. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  14. Test the A/C system for leaks using the J 39400 . Refer to Leak Testing .