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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 180 (HEATING, VENTILATION, AND AIR CONDITIONING)REPAIR INSTRUCTIONSCOMPRESSOR REPLACEMENT (LH2)REMOVAL PROCEDURE
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Removal Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Removal Procedure
WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  3. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement - Air Conditioning, Power Steering, and Water Pump .
  4. Reposition power steering reservoir aside. Refer to Remote Power Steering Fluid Reservoir Replacement (LH2) .
  5. Remove the cooling fan assembly. Refer to Fan Replacement (LH2) or to Engine Cooling Fan Replacement .
  6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  7. Remove the LH wheel and tire. Refer to Tire and Wheel Removal and Installation .
  8. Remove the engine splash shield. Refer to Air Inlet Grille Panel Replacement .
    9. Fig 1: View Of Suction Line Bolt & Discharge Line Bolt At Compressor
    GM1563417Courtesy of GENERAL MOTORS CORP.
  9. Remove the suction line bolt (1) from the compressor.
  10. Remove the discharge line bolt (2) from the compressor.
  11. Disconnect the suction and discharge line from the compressor.
  12. Remove the engine oil filter. Refer to Engine Oil and Oil Filter Replacement .
  13. Disconnect the electrical connector from the compressor.
  14. Remove the compressor mounting bolts.
  15. Lower the vehicle.
    16. Fig 2: View Of Compressor
    GM1563419Courtesy of GENERAL MOTORS CORP.
  16. Rotate the compressor and remove from the vehicle.
  17. Replace the desiccant bag if the following conditions exist. Refer to Air Conditioning Refrigerant Desiccant Replacement .
    • Color of PAG oil is brown or black
    • Presence of foreign substances
  18. If you are replacing the compressor, balance the compressor oil. Refer to Compressor Oil Balancing .
  19. Remove and discard the O-ring seals from the compressor suction and discharge lines. Refer to O-Ring Replacement .
RENDER: 1.0x

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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.