Originally Posted by smokey847
Alright. I popped that panel off today, put a square piece of felt (about 3"x3") behind the protrusion on the plastic piece that goes back into the door. From listening to it for about 5 minutes, THERE IS NO MORE RATTLE! Thanks for everyone's help!
Just kidding.

I listened to the sterero with my iTrip today and the crackle is STILL THERE!!!

I just don't know what to do. It's driving me nuts. I'm beginning to think the tweeter is busted or something!? Any help!?