GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 1279850  Size: SH
  1. Disconnect the negative battery cable.
  2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  3. Remove the air cleaner housing assembly.
  4. Remove the nut on the flange of the receiver-drier.
  5. Remove the O-ring and discard it.
  6. Remove the air conditioning (A/C) pressure sensor. Refer to Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement .
  7. Remove the 2 nuts on the flange of the evaporator.
  8. Remove the O-ring and discard it.

  9. Object Number: 1279852  Size: SH
  10. Remove the bolt (1) and the nut (2) that secure the high pressure pipe.
  11. Remove the high pressure pipe, receiver-drier-to-evaporator.

Installation Procedure


    Object Number: 1279852  Size: SH
  1. Position the high pressure pipe, receiver-drier-to-evaporator, into the vehicle.
  2. Install the bolt (1) and the nut (2) that secure the high pressure pipe.

  3. Object Number: 1279850  Size: SH
  4. Install a new O-ring seal to the pipe at the evaporator flange.
  5. Notice: Refer to Fastener Notice in the Preface section.

  6. Install the 2 nuts on the evaporator flange.
  7. Tighten
    Tighten the nuts to 14 N·m (10 lb ft).

  8. Install the A/C pressure sensor. Refer to Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement .
  9. Install a new O-ring seal to the pipe at the receiver-drier.
  10. Install the nut on the receiver-drier flange.
  11. Tighten
    Tighten the nut to 14 N·m (10 lb ft).

  12. Install the air cleaner housing assembly.
  13. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  14. Connect the negative battery cable.