GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure


    Object Number: 291167  Size: SH
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the evaporator hose nut from the accumulator.
  3. Remove the evaporator hose from the accumulator.
  4. Remove the evaporator hose from the strut tower.

  5. Object Number: 130636  Size: SH
  6. Remove the evaporator hose nut from the evaporator.
  7. Remove the evaporator hose from the evaporator.
  8. Disconnect the electrical connector from the A/C temperature sensor.
  9. Remove the upper filler panel. Refer to Filler Panel Replacement - Upper in Body Front End.

  10. Object Number: 130648  Size: SH
  11. Remove the evaporator hose nut from the condenser.
  12. Remove the evaporator hose from the condenser.
  13. Remove the evaporator hose from the vehicle.
  14. Remove and discard the sealing washers from the evaporator hose. Refer to Sealing Washer Replacement .

Installation Procedure

  1. Install new sealing washers to the evaporator hose. Refer to Sealing Washer Replacement .

  2. Object Number: 130648  Size: SH
  3. Install the evaporator hose to the vehicle.
  4. Install the evaporator hose to the condenser.
  5. 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.

  6. Install the evaporator hose nut to the condenser.
  7. Tighten
    Tighten the nut to 20 N·m (15 lb ft).


    Object Number: 130636  Size: SH
  8. Install the evaporator hose to the evaporator.
  9. Install the evaporator hose nut to the evaporator.
  10. Tighten
    Tighten the nut to 20 N·m (15 lb ft).


    Object Number: 291167  Size: SH
  11. Install the evaporator hose to the accumulator.
  12. Install the evaporator hose nut to the accumulator.
  13. Tighten
    Tighten the nut to 20 N·m (15 lb ft).

  14. Install the evaporator hose to the strut tower.
  15. Connect the temperature sensor electrical connector.
  16. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  17. Leak test the fittings using the J 39400-A .
  18. Install the upper filler panel. Refer to Filler Panel Replacement - Upper in Body Front End.