What is a flap motor?
Flap motors which include stepper and servo motors are widely used in Automotive heating, ventilation, and air conditioning (HVAC) systems. Flap motors are used in air mix control, air circulation control, outlet mode control functions for automotive HVAC applications.
What does the air flap actuator do?
The air flows in an HVAC system through ducts or pipes; a flap is used to open or close, either fully or partially, certain portions of the duct in order to control which way the air goes. A flap actuator, also called a damper, is simply an electrical machine that moves the flap.
Why is my AC not swinging?
Swing mechanism not working. If the swing function on the split AC is not working, there can be 2 reasons for this. The swing is controlled by separate swings motors. Either the PCB is not sending current to the motors or motors have a problem.
What is active air flap system?
An active air flap system for a vehicle includes a duct allowing ambient air to flow into an engine compartment, a motor in the duct to generate driving force and having a hinge shaft configured to transmit the generated driving force, and a flap coupled to the hinge shaft of the motor to regulate a degree of opening …
How much does it cost to fix an AC actuator?
The average cost ranges from $100 to $400 for an HVAC blend door actuator replacement in your vehicle.
Why is my ML320 blowing hot air even when the AC is on cold?
Is your ML blowing hot air even though you have the AC on cold setting? A common problem with the ML320 / ML430 is the AC getting stuck on Hot or Cold setting. This is caused by the blend motor flap getting stuck and no longer moving when you rotate the AC knob between Hot and Cold.
Where can I buy door blend AC heater actuators?
With more than 5,600 store locations coast-to-coast and easy on-line shopping, we have what you’re looking for. Our inventory of A/C heater door blend actuators includes replacement units that exceed OEM specifications and performance.
What does the actuator on an AC heater do?
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. When one of these stops working, you may either get cold air but no hot air or there will be hot air with no cold air.
Why does my Blend motor not move when I Turn on the AC?
This is caused by the blend motor flap getting stuck and no longer moving when you rotate the AC knob between Hot and Cold. You can manually switch the blend motor flap if you remove the glove box.