GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure


    Object Number: 590061  Size: SH
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the right front fender liner. Refer to Front Fender Liner Replacement in Body Front End.
  3. Disconnect the evaporator hose assembly from the evaporator.
  4. Remove and discard the seal washer.

  5. Object Number: 590055  Size: SH
  6. Remove the bolt holding the evaporator hose assembly to the condenser.
  7. Remove the evaporator hose assembly from the condenser.
  8. Remove and discard the seal washer.

  9. Object Number: 590061  Size: SH
  10. Unfasten the two clips holding the evaporator hose assembly.
  11. Remove the evaporator hose assembly.

Installation Procedure


    Object Number: 590061  Size: SH
  1. Reposition the evaporator hose assembly.
  2. Fasten the 2 clips holding the evaporator hose assembly.
  3. Install the new seal washer to the condenser end of the compressor hose.
  4. Connect the evaporator hose assembly to the evaporator.
  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 nut to evaporator hose assembly.
  7. Tighten
    Tighten the nut to 25 N·m (18 lb ft).


    Object Number: 590055  Size: SH
  8. Install a new seal washer on condenser end of the evaporator hose assembly.
  9. Install the evaporator hose and bolt to the condenser.
  10. Tighten
    Tighten the fitting bolt to 25 N·m (18 lb ft).

  11. Install the right front fender liner. Refer to Front Fender Liner Replacement Splash Shield Replacement - Wheelhouse in Body Front End.
  12. Lower the vehicle.
  13. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
  14. Leak test the fittings of the component using the J 39400-A .