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Discussion Starter #1
Hey everybody,

maybe anyone recognizes this sound and can help me. On selecting the window defrost button or when starting up the car in the first few minutes a cracking humming noise can be heard. My guess it's the front windscreen defroster flap moving, because when I select the air vents to blow at me the sound stops. Calibration on the unit with the ac and air vent button doesn't do anything. Already checked with a videoscope if they're was anything stuck, but there isn't. It is working...but sounds like it needs a bit of lube or is a litte jammed.

Advice is very welcome!
Video added with the noise!


Thx

Noise movie
 
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