Chevy Blend Door Actuator Calibration

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.

Chevy blend door actuator calibration.

This grind or click sound is actually the plastic gears stripping inside. On the gmc acadia and the chevrolet traverse the replacement part number for the blend door actuator is 15 73989. Fixes problems with heating and ac control please visit our website. Parts counter people call this the upper actuator.

Scan the hvac for codes. In this video we look at my 2004 gmc drivers side blend door actuator. This actuator assembly might fit a few other models but double check the part numbers for your car. Ignition off pull the hvac ecas fuse for 10 seconds reinstall and start vehicle without touching any controls wait 40 seconds for the control module to self calibrate.

First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or. Gmc yukon and chevy tahoe blend door calibration. An actuator can go bad in of two ways. I have cleaned up the original actuator and it worked fine for 6 to 8 months or so.