Replacing the Right Actuator?
Blend Door Vs. Mode Door Vs. Recirculating Door
Actuator doors change position based on selected climate settings. The blend, mode, and recirculating doors each have a specific function and are often not interchangeable.
To accurately identify which actuator door(s) need to be replaced, assess the following:
To accurately identify which actuator door(s) need to be replaced, assess the following:
- Temperature not reaching selected settings? Replace the blend door.
- Airflow direction or vent selection not changing? Replace the mode door.
- Air recirculation not working? Replace the air recirculation door.
Other factors to consider:
- Lack of airflow could be caused by a clogged air filter or faulty blower motor.
- A faulty heater core or evaporator can affect temperature.
*DO NOT TEST ACTUATORS PRIOR TO INSTALLING. POWER TESTING MAY DECALIBRATE PRESET DOOR POSITIONS.*
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gpd_tech_tip_166-actuator-blend_door-mode_door-air_recirculation_door-quick_reference.pdf |