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HOMESERVICE MANUALSGMC2013RV CUTAWAY 4.8L ENG VIN AREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHEATING, VENTILATION, AND AIR CONDITIONINGREPAIR INSTRUCTIONSDEFROSTER DOOR REPLACEMENTREMOVAL PROCEDURE
2013 GMC RV Cutaway 4.8L Eng VIN A

Removal Procedure

2013 GMC RV Cutaway 4.8L Eng VIN ASECTION Removal Procedure
  1. Remove the I/P carrier. Refer to Instrument Panel Carrier Replacement .
  2. Remove the heater assembly cover retaining screws.
  3. Remove the heater assembly cover.
    4. Fig 1: Vacuum Hose And Defrost Actuator
    GM668959Courtesy of GENERAL MOTORS COMPANY
  4. Disconnect the vacuum hose (1) from the defrost actuator (2).
  5. Depress the clip and remove the defrost actuator (2) from the heater assembly.
    6. Fig 2: Defroster Door And Heater Assembly
    GM691843Courtesy of GENERAL MOTORS COMPANY
  6. Remove the defroster door (2) door from the heater assembly (1).
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.