One of the air doors on my 1995 GMC Sierra opens and closes constantly while driving

ID Status Date Year Make Model Transmission Type A/C Controls Public/Private
#15524 Closed 1995 GMC K1500 Sierra public

The door noise sounds like it’s coming from the right side of the dash.

Sparky

It is most likely the fresh air/recirculation actuator. The typical symptom is that the clicking lasts for several minutes whenever the ignition is turned on or off.

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