Air Door Actuator Function

Tech sessions featured in this video.

Air door actuator function.

The two wire actuator is the simplest of them all. An actuator can go bad in of two ways. One on the passenger side and one on the driver side. 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.

A malfunction in modern electronic hvac air door actuators circuits or the a c actuators itself could prevent the hvac compressor from running. Air door actuators techsmart s chamfered pins allow technicians to reattach the harness easily wit. 1801 waters ridge drive lewisville tx 75057. Actuator failure like any other mechanical units a blend door actuator would eventually fail.

The ac actuator is located underneath the dashboard attached to air distribution doors in the hvac box. Stuck closed or open temperature blend door because of bad blend air door actuator could mislead a customer or even a mechanic to believe that there is a problem with the a c compressor or. Automotive air door actuators. Run your heater and air conditioner to see if the hot or the cold air reaches both the driver and the passenger side.

The ac actuator moves air distribution doors to two or more positions to direct air flow for heating and a c vents. The side that doesn t get the hot or the cold air needs its door blend actuator replaced. Copyright 2020 standard motor products inc designed developed by multimedia solutions. The majority of cars and trucks have two actuators.

An actuator could be powered by a small engine built in the air and heat assembly or vacuum. What does an ac actuator do. A somewhat common problem in vehicles a few years old the heat and air system in your vehicle may be the victim of a faulty blend door actuator. 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.

First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or. 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. Doors can control warm air cold air blending recirculated fresh air control or. Auto heat built in heating systems have pretty much been standard equipment on most automobiles since the 1950s and 1960s.