GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Aveo 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 Air Conditioning Compressor Replacement

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1251945 Size: SH
  1. Disconnect the negative battery cable.
  2. Discharge and recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  3. Remove the compressor A/C hose assembly connector block fitting nut.
  4. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  5. Disconnect the electrical connector at the compressor.

    6. Object Number: 1241549 Size: SH
  6. Remove serpentine accessory drive belt.

    7. Object Number: 1241695 Size: SH
  7. Remove the A/C compressor-to-bracket bolts.
  8. Remove the compressor.
  9. Drain the oil from the compressor into a container. Measure the amount of oil drained and then discard the used oil.

Installation Procedure

    Object Number: 1241695 Size: SH
  1. Add oil to the new compressor. Use the exact amount of oil that you drained from the old compressor.
  2. Install the compressor.

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

  3. Install the compressor-to-bracket mounting bolts.

    4. Tighten
    Tighten the compressor bracket bolt to 27 N·m (20 lb ft).


    Object Number: 1241549 Size: SH
  4. Install the serpentine accessory drive bolt.
  5. Lower the vehicle.

    6. Object Number: 1251945 Size: SH
  6. Install new O-ring to the A/C hose assembly connector block fitting.
  7. Install the compressor hose assembly connector block fitting and tighten the retaining nut.

    8. Tighten
    Tighten the A/C system hose connector retaining nut to 33 N·m (24 lb ft).


    Object Number: 1251969 Size: SH
  8. Connect the electrical connector at the compressor.
  9. Connect the negative battery cable.
  10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .