Chevy Blend Door Actuator Calibration

Parts counter people call this the upper actuator.

Chevy blend door actuator calibration.

There are several types of actuator motors used in today s gm cars. 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. 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. 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.

Attached is a diagram and procedures for the blend door actuator. Gmc yukon and chevy tahoe blend door calibration. The air temperature actuator is a 2 wire bi directional electric motor. 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.

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. On the gmc acadia and the chevrolet traverse the replacement part number for the blend door actuator is 15 73989. These days it s electrically driven actuator motors modules accomplishing the job. The fan control works the thermostat works the direction control.

This actuator assembly might fit a few other models but double check the part numbers for your car. This grind or click sound is actually the plastic gears stripping inside. Two control circuits enable the actuator to operate. Did you verify the pressures were correct in the ac system.

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. Fixes problems with heating and ac control please visit our website.