The servo motors are located throughout the climatronic system to move the flap doors of the air guides. These motors close and open the air guide flaps to direct air to the correct vent specified on the control panel. If the servo motor no longer operates it won't allow you to open or close the air guide flap, causing air to flow constantly, or not at all, through one vent. Take control of your climatronic system and replace your damaged servo motor today. There are several options for the servo motors, this particular motor operates the recirculated air door. Please make sure you are ordering the correct servo motor before placing your order.