HVAC Screen
 

Lately, I've noticed this rattle coming from my dash which I have been able to trace. It's coming from the screen part where the air enters the blower fan, since an edge of the screen isn't attached anymore and is just rattling. My question is how the hell do I get to that screen so I can replace it? For all of you who are lost, if you remove the blower fan w/ the knob turned to any position but off, if you look straight up where the fan was, there is a screen which I'm talking about.

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