GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Corvette 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 Air Conditioning Compressor Replacement

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure

    Object Number: 1488913 Size: SH
  1. Recover the refrigerant from the A/C System. Refer to Refrigerant Recovery and Recharging .
  2. Remove the A/C drive belt. Refer to Air Conditioning Compressor Belt Replacement for the 6.0L engine or Air Conditioning Compressor Belt Replacement for the 7.0L engine.
  3. Remove the A/C compressor hose assembly from the A/C compressor. Refer to Compressor Hose Assembly Replacement .
  4. Lower the front suspension crossmember. Refer to Front Suspension Crossmember Replacement .
  5. Disconnect the A/C compressor electrical connector.

    6. Object Number: 1480170 Size: SH
  6. Remove the A/C compressor mounting bolts (1, 2, 4).
  7. Remove the A/C compressor mounting nut (3).
  8. Remove the A/C compressor from the vehicle.

    9. Important: Replacement A/C compressors are charged with polyalkylene glycol (PAG) oil. Refer to Refrigerant System Capacities .

  9. If replacing the A/C compressor, oil balance the compressor. Refer to Air Conditioning Compressor Oil Balancing .

Installation Procedure
  1. Install the A/C compressor to the vehicle.

    2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1480170 Size: SH

    Important: Finger tighten the A/C compressor bolts and nuts only, do not torque at this time.

  2. Position the A/C compressor onto the A/C compressor bracket and install the A/C compressor mounting bolts (1, 2, 4).
  3. Install the A/C compressor mounting nut (3).
  4. Tighten the A/C compressor mounting bolts and nut in sequence.

    5. Tighten
    Tighten the bolts and nut to 50 N·m (37 lb ft).


    Object Number: 1488913 Size: SH
  5. Connect the A/C compressor electrical connector.
  6. Raise and install the front suspension crossmember. Refer to Front Suspension Crossmember Replacement .
  7. Install the compressor hose assembly to the A/C compressor. Refer to Compressor Hose Assembly Replacement .
  8. Install the A/C drive belt. Refer to Air Conditioning Compressor Belt Replacement for the 6.0L engine or Air Conditioning Compressor Belt Replacement for the 7.0L engine.
  9. Evacuate and recharge the A/C System. Refer to Refrigerant Recovery and Recharging .
  10. Leak test the fittings of the A/C components using J 39400-A .