When you change the temp setting in your car or truck normally you will typically hear the this noise for a few seconds.
Blend door actuator clicking sound.
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.
Get it to start.
Often adjusting the temperature settings ever so slightly can stop the noise temporarily.
Nearly all of these failures have been traced back to using an aftermarket door actuator in the vehicle.
Why does the heater behind the dashboard make a clicking noise when turned off.
More specifically it is because the teeth on the plastic gear inside have sheared and are now slipping.
Dodge chevy ford blend door actuator replacement.
This clicking noise is the result of a failed door actuator.
If you hear a repeated light clicking sound coming from under the dash it can be a bad blend door actuator.