Chevy Tahoe Blend Door Actuator Calibration

Ck p u suburban and yukon tahoe actuator calibration starting in 2001 whenever the battery is disconnected or when replacing any of the hvac actuator motors mode door or temperature blend the hvac system will have to go through a relearn or calibration process.

Chevy tahoe blend door actuator calibration.

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. It has been found that when performing the actuator recalibration procedure. First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or. 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.

On the gmc acadia and the chevrolet traverse the replacement part number for the blend door actuator is 15 73989. Parts counter people call this the upper actuator. Tahoe suburban diy and useful threads hvac actuator recalibration condition concern. This actuator assembly might fit a few other models but double check the part numbers for your car.

How to replace a blend door actuator chevy tahoe how to fix hot air coming out of ac. An actuator can go bad in of two ways. Scan the hvac for codes. This grind or click sound is actually the plastic gears stripping inside.

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. When replacing the front hvac control head or an hvac actuator it will be necessary to allow the hvac control head to perform a calibration procedure.