Build cabinet doors: Mode door actuator

Product description ACDelco GM Original Equipment HVAC Mode Door Actuators are electric motors attached to the HVAC housing that move or actuate the mode doors or flaps, directing the airflow to the desired outlet vents. Air Door Actuators Air conditioning cases contain air doors that control the flow of air through the system. There are at least three diverter doors and one blend door in the basic air conditioning system. Diverter or mode doors are typically either open or close while blend doors that mix air have many positions.

The actuator turns this door , regulating the amount of hot and cold air flowing through as you adjust the settings. When the unit goes ba one of two things are likely to happen: The motor is dea preventing the door from moving. The mode door is what changes the direction of the air coming out of the vents.

Moving the door to different locations changes whether the air comes out of the defrost, floor, dash vents or a combination of both. The first movement is when the vehicle is started and set to vent. Second movement is set to defrost. Where is the blend door actuator? It is controlled by a blend door actuator , which is a small electric motor.

What is a blend door actuator? When you turn the knob on your dash to the desired temperature, the actuator moves the blend door to achieve the proper mix. This actuator then moves temperature and air direction doors inside the heater plenum (box) which are designed to control mode settings such as temperature, floor, mid vent, defrost and fresh air or re-circulation modes.

They also control hot and cold settings for right and left passenger compartments. The Mode Door Actuator controls the direction of airflow. It selects which way air flows through the different ducts. If your climate control system has lost the ability to control which vents the air comes out of, the MDA has probably failed.

Both the ATC and MTC systems use this device. Did You Check eBay? Fill Your Cart With Color Today! Buy everything from one lug nut to a new fender at RockAuto. Massive Selection of Parts.

Also called HVAC actuators, these small electric motors control the flow and blend of hot and cold air to the passenger areas by opening and closing the vent doors that let the air through. The Blend Door actuator is located in the center of the core box, up under the dash. Application Attributes: Packaging Type: Box. Choose Advance Auto Parts for Air Blend Door Actuator.

The initial problem was this fall I noticed that I could not change from defrost to panel to floor. I had no control of the mode doors. Further research led me to purchase a new actuator from Amazon. My LTZ had an issue where the actuator would start clicking every time i would recirculate the ac or turn the car off.

I dropped down the glove box and put my hand on both actuators to figure out which one was bad. Buick Lucerne HVAC Mode Door Actuator Cyl 3. Choose top quality brands AC Delco, Four Seasons. My problem seems to not be with the actuator.

Everytime I install the actuator it turns the white wheel all the way counter-clockwise, then all the way clockwise and hangs up on the way back to center. Remove the screws from the actuator. Pull the actuator from the HVAC case. We offer a full selection of genuine Nissan Pathfinder Blend Door Actuators , engineered specifically to restore factory performance. Please narrow the Air Blend Door Actuator by selecting the vehicle.

After doing some online research and looking under the dash while operating the door I determined it was the mode door actuator (the clicking is the motor in the actuator going bad). Easy to use parts catalog. The electronic actuator that controls the direction of airflow is called a blend door actuator.