Chevy Trailblazer Blend Door Actuator Reset

First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.

Chevy trailblazer blend door actuator reset.

Disconnect the wiring harness from the mode door actuator the mode door actuator has a white gear extending from one side and is the lower of the two actuators. Are read more. This grind or click sound is actually the plastic gears stripping inside. Wait for at least 1 minute.

Opening and closing the door can make a difference as the vehicle controls see this as cycle completion. I have a 2002 chevrolet trailblazer ext. Parts counter people call this the upper actuator. This actuator assembly might fit a few other models but double check the part numbers for your car.

An actuator can go bad in of two ways. Remove the screws from the actuator. Next start the vehicle and drive it a short distance and see how it performs. Look to left main wire harness needs to be moved to the right up and behind it is th blend actuator 7 32 socket to remove it then manually turn the white peg total labor 30 min.

On the gmc acadia and the chevrolet traverse the replacement part number for the blend door actuator is 15 73989. Look up see 2 screws remove them and the panel they hold on. Pull the actuator from the hvac case. Now lay on you back with you head in the drivers floor board.

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. Blend door ok first put you front seat down and back raise steering wheel. With the key off remove the hvac b and the hcav 1 fuses from the rear fuse block under the second row seats. Fist thing to do that usually works is perform a reset and calibration of the mode doors and control head.

You may indeed need to replace an actuator. 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.