Theres a clicking noise coming from driverside under the dash on my 2004 chevy cavalier seems to be comibg from a silver shiny square box
Clicking noise on driverside coming from a silver shiny square box
That's a blend door actuator; it moves the door to direct forced air heat/cool to where you want it or to set the temperature inside the car to where you want it. The actuator is broken; the clicking is coming from a damaged sprocket. Just replace the actuator; it's really easy to do.