Air Door Actuator Function

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Air door actuator function.

A blend door actuator is made up of an electric motor that turns a plastic gear set in one direction or another which is connected to an air control door pivot at the final drive of the unit. The ac actuator moves air distribution doors to two or more positions to direct air flow for heating and a c vents. Generally an 8 to 12volt signal provides the needed voltage and ground from the control head to the actuator motor. Auto heat built in heating systems have pretty much been standard equipment on most automobiles since the 1950s and 1960s.

Automotive air door actuators. Air door actuators techsmart s chamfered pins allow technicians to reattach the harness easily wit. An actuator can go bad in of two ways. A common use would be for a door that only uses two positions such as a recirculation door where it is either fully open or fully closed.

One on the passenger side and one on the driver side. First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or. The majority of cars and trucks have two actuators. Replacement elements to fix the issue might cost you a few usd but the expenses of labor for replacing it might be up to hundreds.

Run your heater and air conditioner to see if the hot or the cold air reaches both the driver and the passenger side. A malfunction in modern electronic hvac air door actuators circuits or the a c actuators itself could prevent the hvac compressor from running. Tech sessions featured in this video. What does an ac actuator do.

How to test blend door actuator climate control heater temp control any car in this video we will show you how to test blend door actuator and to make sur. An actuator could be powered by a small engine built in the air and heat assembly or vacuum. Automotive air door actuators. The two wire actuator is the simplest of them all.

Doors can control warm air cold air blending recirculated fresh air control or. The side that doesn t get the hot or the cold air needs its door blend actuator replaced. The ac actuator is located underneath the dashboard attached to air distribution doors in the hvac box. 1801 waters ridge drive lewisville tx 75057.