COROLLA冷氣有怪聲

normal auto air conditioner, nothing to do.
this white actuator( moter)is used to control the mixed temperatureof air( cool and hot), what we usually call as air mix door motor(actuator), you can manually select the temperature up or down, it (white motor) move the rod , it change the mix door position depend on your own decision (temperature display), up to your selection,when the temperature (inside the car) almost same as what you selected(display), the rod of that white motor will move/or stop a little bit, di di sound will hear. (step servo motor sound)-like RC servo motor.

有無撞過車折過錶板
裝漏配件