Chevy Blend Door Actuator Calibration

That is more then likely a blend or a mode door actuator they have plastic gears inside that strip an get stuck an then they just click.

Chevy blend door actuator calibration.

This grind or click sound is actually the plastic gears stripping inside. Gm electrically driven actuator motors. 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. Failure to allow sufficient time to calibrate can lead to the.

Gmc yukon and chevy tahoe blend door calibration. 2001 chevy silverado v8 four wheel drive automatic i have an 01 chevy silverado z71 and the heater control will not actuate to flow to the floor. The fan control works the thermostat works the direction control. On the gmc acadia and the chevrolet traverse the replacement part number for the blend door actuator is 15 73989.

This actuator assembly might fit a few other models but double check the part numbers for your car. Did you verify the pressures were correct in the ac system. Two control circuits enable the actuator to operate. Long gone are the cables and rods jutting out of the firewall to operate the heater control valve or a vacuum unit pulling a blend door open.

There are several types of actuator motors used in today s gm cars. Fixes problems with heating and ac control please visit our website. 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. Attached is a diagram and procedures for the blend door 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. These days it s electrically driven actuator motors modules accomplishing the job.