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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1738 (HEATING, VENTILATION, AND AIR CONDITIONING)REPAIR INSTRUCTIONSLIQUID LINE REPLACEMENT (LH2)INSTALLATION PROCEDURE
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Installation Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Installation Procedure
WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Liquid Line Quick Connect Fitting At The Evaporator Core
    GM1570343Courtesy of GENERAL MOTORS CORP.
  1. Install new O-rings to the liquid line. Refer to O-Ring Replacement .
  2. Install the liquid line in to the vehicle.
  3. Connect the liquid line to the evaporator core.
  4. Install the A/C quick connect fitting. Refer to Air Conditioning Line/Tube Connector Removal/Replacement .
  5. Install the windshield wiper transmission. Refer to Windshield Wiper Transmission Replacement .
    6. Fig 2: View Of Liquid Line Retaining Clip
    GM1570363Courtesy of GENERAL MOTORS CORP.
  6. Connect the liquid line to the strut tower retaining clip.
  7. Connect the liquid line to the condenser tube.
  8. Install the A/C quick connect fitting. Refer to Air Conditioning Line/Tube Connector Removal/Replacement .
  9. Install the air cleaner from the vehicle. Refer to Air Cleaner Assembly Replacement .
  10. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
  11. Using J 39400-A  , leak test the fittings of the component. See Special Tools .
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.