Chevy Tahoe Blend Door Actuator Calibration

This grind or click sound is actually the plastic gears stripping inside. 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. Blend door actuator replaces 89018365 604 106 52402588 fits 1994 2012 chevrolet chevy gmc silverado 1500 and 2500 tahoe sierra air door actuator hvac blend control act 4 2 out of 5 stars 86.

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On the gmc acadia and the chevrolet traverse the replacement part number for the blend door actuator is 15 73989.

Chevy tahoe blend door actuator calibration.

The actuator did not move. First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or. I then tried plugging in the new actuator that i got from the auto parts store. 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.

This actuator assembly might fit a few other models but double check the part numbers for your car. Parts counter people call this the upper actuator. Just like the existing actuators in both locations when the vehicle had power going to the hvac system the actuator was moved from just below the lowest setting to the lowest setting and then back below the lowest setting. 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.

An actuator can go bad in of two ways. 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.