GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 38042 Dual O-Ring Joint Separator
    • J 39500-B A/C Refrigerant Recovery, Recycling, and Recharging (ACR4) System
  1. Recover the refrigerant. 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. Object Number: 327313  Size: MH
  5. Remove the upper A/C line clip (1).
  6. Disconnect the A/C line connection from the accumulator outlet using the J 38042 .
  7. Disconnect the A/C line connection from the condenser inlet using the J 38042 .
  8. Remove the A/C compressor splash shield.

  9. Object Number: 327311  Size: SH
  10. Disconnect the electrical connector from the A/C pressure switch (4).
  11. Remove the bolt (2) that attaches the A/C compressor hose assembly (3), from the rear of the A/C compressor (1).
  12. Remove the A/C compressor hose assembly (3) from the vehicle.

Installation Procedure

Tools Required

J 39400 Electronic Halogen Leak Detector


    Object Number: 327311  Size: SH
  1. Install the A/C compressor hose assembly (3) into 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 bolt (2) in order to attach the A/C compressor hose assembly (3) to the rear of the A/C compressor (1).
  4. Tighten
    Tighten the bolt to 30 N·m (22 lb ft).

  5. Connect the electrical connector to the A/C pressure switch (4).
  6. Connect the A/C line connection to the condenser inlet.
  7. Tighten
    Tighten the condenser inlet connection to 24 N·m (18 lb ft).

  8. Connect the A/C line connection to the accumulator outlet.
  9. Tighten
    Tighten the accumulator outlet connection to 24 N·m (18 lb ft).


    Object Number: 327313  Size: MH
  10. Install the upper A/C line clip (1).
  11. Connect the negative battery cable.
  12. Tighten
    Tighten the negative battery cable to 15 N·m (11 lb ft).

  13. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  14. Test the A/C system for leaks. Refer to Leak Testing .

  15. Object Number: 327293  Size: SH
  16. Install the A/C compressor splash shield (1).