i have a weir noise inside de hvac duct beside the blower motor on the passenger side below the glove compartment, ii sounds like something is moving inside when im driving, maybe it is a screw or some losen part.

i have been trying to remove that part to see if something is inside but i dont know how to disassembly that part.

the pictures below show where is the problem

 

yes i've just confirmed it is an screw and is moving in there what can i do???

 

Just use a magnet !!!!