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 actuator assembly might fit a few other models but double check the part numbers for your car. I have cleaned up the original actuator and it worked fine for 6 to 8 months or so. For manual systems it does not matter where the a c controls are set but if you feel the need to do something turn the blower switch on i prefer speed 3 and set the temperature. The topic of how to perform the actuator recalibration procedure on chevrolet gmc and cadillac trucks and suvs has become an ever increasing topic of discussion.

In this video we look at my 2004 gmc drivers side blend door actuator. Fixes problems with heating and ac control please visit our website. Parts counter people call this the upper actuator. This grind or click sound is actually the plastic gears stripping inside.

If there is still a problem the actuator for the temp blend door may have failed. An actuator can go bad in of two ways. Gmc yukon and chevy tahoe blend door calibration. First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.