Chevy Blend Door Actuator Calibration

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.

Chevy blend door actuator calibration.

On the gmc acadia and the chevrolet traverse the replacement part number for the blend door actuator is 15 73989. 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. The air temperature actuator is a 2 wire bi directional electric motor. 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.

Parts counter people call this the upper actuator. This grind or click sound is actually the plastic gears stripping inside. There are several types of actuator motors used in today s gm cars. Fixes problems with heating and ac control please visit our website.

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. Attached is a diagram and procedures for the blend door actuator. These days it s electrically driven actuator motors modules accomplishing the job.

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. The fan control works the thermostat works the direction control. Two control circuits enable the actuator to operate. Gm electrically driven actuator motors.

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