GM Service Manual Online
For 1990-2009 cars only

Air Conditioning Compressor Replacement 2.2L

Tools Required

J 39400 Leak Detector

Removal Procedure

  1. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging .
  2. Remove the drive belt. Refer to Drive Belt Replacement in Engine Mechanical -- 2.2L.
  3. Remove the electrical connectors as necessary.
  4. Remove the compressor suction/discharge hose assembly. Refer to Compressor Hose Assembly Replacement .

  5. Object Number: 281146  Size: SH
  6. Remove the compressor bolts.
  7. Remove the compressor rear bracket bolts.
  8. Remove the compressor from the brackets.

Installation Procedure


    Object Number: 281146  Size: SH
  1. Install the compressor into the brackets.
  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 compressor rear bracket bolts.
  4. Tighten
    Tighten the compressor rear bracket bolts to 31 N·m (37 lb ft).

  5. Install the compressor bolts.
  6. Tighten
    Tighten the compressor bolts to 50 N·m (37 lb ft).

  7. Install the compressor suction/discharge hose assembly. Refer to Compressor Hose Assembly Replacement .
  8. Install the electrical connectors, if necessary.
  9. Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical -- 2.2L.
  10. Evacuate and recharge the system. Refer to Refrigerant Recovery and Recharging .
  11. Leak test the fitting(s) of the repaired or reinstalled components using the J 39400 .

Air Conditioning Compressor Replacement 4.3L

Tools Required

J 39400 Leak Detector

Removal Procedure

  1. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging .
  2. Remove the drive belt. Refer to Drive Belt Replacement in Engine Mechanical -- 4.3L.
  3. Remove the electrical connectors as necessary.
  4. Remove the compressor suction/discharge hose assembly. Refer to Compressor Hose Assembly Replacement .

  5. Object Number: 281151  Size: SH
  6. Remove the compressor bolts.
  7. Remove the compressor from the bracket.

Installation Procedure


    Object Number: 281151  Size: SH
  1. Install the compressor into the bracket.
  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 compressor bolts.
  4. Tighten
    Tighten the nuts to 50 N·m (37 lb ft).

  5. Install the compressor suction/discharge hose assembly. Refer to Compressor Hose Assembly Replacement .
  6. Install the electrical connectors as necessary.
  7. Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical -- 4.3L.
  8. Evacuate and recharge the system. Refer to Refrigerant Recovery and Recharging .
  9. Leak test the fitting(s) of the repaired or reinstalled components using the J 39400 .