GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 39400-A Halogen Leak Detector
    • J 38185 Hose Clamp Pliers

Removal Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the hood close out filler panel. Refer to Hood Close Out Filler Replacement in Body Front End.

  3. Object Number: 631421  Size: SH
  4. Use theJ 38185 in order to reposition the hose clamps.
  5. Remove the coolant surge tank hoses from the surge tank.

  6. Object Number: 302601  Size: MH
  7. Remove the nut connecting the evaporator tube to the condensor.
  8. Discard the O-ring seal.
  9. Remove the tube from the retaining clip (6) located on the body side rail
  10. Remove the accumulator tube. Refer to Accumulator Tube Replacement .
  11. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  12. Remove the evaporator tube from the evaporator.
  13. Discard the O-ring seals.
  14. Lower the vehicle.
  15. Remove the evaporator tube (4).

Installation Procedure


    Object Number: 302601  Size: MH
  1. Install the evaporator tube (4).
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. 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.

  4. Install the evaporator tube to the evaporator. Use new O-ring seals. Refer to O-Ring Replacement .
  5. Tighten
    Tighten the fitting to 24 N·m (18 lb ft).

  6. Lower the vehicle.
  7. Install the tube to the retraining clip (6) located on the body side rail (2.4L only).
  8. Install the evaporator tube to the condenser (3). Use the new O-ring seals. Refer to O-Ring Replacement .
  9. Tighten
    Tighten the nut to 16 N·m (12 lb ft).

  10. Install the accumulator tube. Refer to Accumulator Tube Replacement .

  11. Object Number: 631421  Size: SH
  12. Install the coolant surge tank hoses to the surge tank.
  13. Use theJ 38185 in order to reposition the hose clamps.
  14. Install the hood close out filler panel. Refer to Hood Close Out Filler Replacement in Body Front End.
  15. Evacuate and charge the A/C system. Refer to Refrigerant Recovery and Recharging .
  16. Leak test the fittings of the component using the J 39400-A .