Chevy Tahoe Blend Door Actuator Calibration

This actuator assembly might fit a few other models but double check the part numbers for your car.

Chevy tahoe blend door actuator calibration. 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. Scan the hvac for codes. How to replace a blend door actuator chevy tahoe how to fix hot air coming out of ac. On the gmc acadia and the chevrolet traverse the replacement part number for the blend door actuator is 15 73989.

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. Tahoe suburban diy and useful threads hvac actuator recalibration condition concern. 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.

An actuator can go bad in of two ways. Parts counter people call this the upper 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. If there is still a problem the actuator for the temp blend door may have failed.

Failure to allow sufficient time to calibrate can lead to the. 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.