Air Door Actuator Function

Doors can control warm air cold air blending recirculated fresh air control or.

Air door actuator function.

An actuator can go bad in of two ways. What does an ac actuator do. The ac actuator is located underneath the dashboard attached to air distribution doors in the hvac box. The ac actuator moves air distribution doors to two or more positions to direct air flow for heating and a c vents.

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. Air door actuators techsmart s chamfered pins allow technicians to reattach the harness easily wit. 1801 waters ridge drive lewisville tx 75057. Auto heat built in heating systems have pretty much been standard equipment on most automobiles since the 1950s and 1960s.

The majority of cars and trucks have two actuators. 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. 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. 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. 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. Tech sessions featured in this video. 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. Generally an 8 to 12volt signal provides the needed voltage and ground from the control head to the actuator motor. Actuator failure like any other mechanical units a blend door actuator would eventually fail. First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.

An actuator could be powered by a small engine built in the air and heat assembly or vacuum. The two wire actuator is the simplest of them all. Copyright 2020 standard motor products inc designed developed by multimedia solutions. A malfunction in modern electronic hvac air door actuators circuits or the a c actuators itself could prevent the hvac compressor from running.