2008 Ford Mustang GT, 2D Convertible, AutomaticFACTORY OEM SERVICE PROCEDURE

System Airflow Description - Electronic Manual Temperature Control (EMTC) System: Defrost

When DEFROST is selected:

  • the air inlet door actuator opens, admitting only outside air into the passenger compartment.
  • the floor/panel door actuator is in the full floor position.
  • the defrost door is in the fully open position, directing airflow to the defroster duct and side window demisters. A small amount of airflow from the floor duct will be present.
  • blended air temperature is available.
  • the A/C request button will illuminate and is enabled. To reduce fogging, the A/C compressor will operate automatically, regardless of indicator status, if the outside temperature is above approximately 2°C (35°F).
  • the blower motor is ON.
Factory Service 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.

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