Blend Door Actuator Clicking Sound

This clicking noise is the result of a failed door actuator.

Blend door actuator clicking sound. More specifically it is because the teeth on the plastic gear inside have sheared and are now slipping. When you change the temp setting in your car or truck normally you will typically hear the this noise for a few seconds. There are two blend door actuators one just to the left of the glovebox right behind the dash panel and another to the right and back a little bit on the side of the blower. If you hear a repeated light clicking sound coming from under the dash it can be a bad blend door actuator.

Often adjusting the temperature settings ever so slightly can stop the noise temporarily. Clicking tapping noise in dash fix. Remove the radio and remove the blend door actuator held to the heater case with three 8mm screws and replace it. Alright in cobalt s and other gm vehicles the blender door actuator has always been an issue where after some time it starts making a clicking sound when the vehicle turns on and when you use the.

Why does the heater behind the dashboard make a clicking noise when turned off. Nearly all of these failures have been traced back to using an aftermarket door actuator in the vehicle.