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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 505 (HVAC SYSTEM - MANUAL)REPAIR INSTRUCTIONSRECIRCULATION ACTUATOR REPLACEMENTREMOVAL PROCEDURE
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Removal Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Removal Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the battery. Refer to Battery Replacement (Primary) .
  2. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging .
  3. Disconnect the low pressure sensor electrical connector.
  4. Disconnect the blower motor electrical connector.
  5. Disconnect the blower motor resistor assembly electrical connector.
    6. Fig 1: View Of A/C System Components
    GM769765Courtesy of GENERAL MOTORS CORP.
  6. Remove the evaporator outlet hose retaining nuts (4, 5).
    7. Fig 2: View Of A/C System Evaporator And Components
    GM800358Courtesy of GENERAL MOTORS CORP.
  7. Remove the retaining nut (3) from the evaporator inlet tube (5).
  8. Remove the evaporator inlet tube from the evaporator and position aside.
  9. Remove the sealing washers.
    10. Fig 3: View Of evaporator and blower module assembly cover
    GM1874383Courtesy of GENERAL MOTORS CORP.
  10. Remove the fourteen screws (1) from the evaporator and blower module assembly case.
  11. Reposition the accumulator aside.
  12. Remove the evaporator and blower module assembly front cover (2) from the evaporator case (3).
    13. Fig 4: View Of recirculation door actuator
    GM1874385Courtesy of GENERAL MOTORS CORP.
  13. Grasp recirculation door seal and open (1) to gain access to actuator mounting.
  14. Release actuator mounting tab (2) and slide rearward.
  15. Rotate actuator 90° clockwise (rearward) to release door linkage (3).
  16. Remove actuator vacuum line (4).
  17. Remove recirculation actuator (5).
RENDER: 1.0x

NO RELATED

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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.