I have a future front door speaker replacement planned and was wondering, with the door panels off should I be putting some felt tape around to prevent future rattles? And if so where to apply? I plan to put a small amount of Dynamat on the door when the speakers are removed just for good measure. Any other hints or ideas?

 

Mainly checking for clearances of moving parts, and keeping stationary parts secure is really what you're looking for.
Felt tape will be your friend, but you'll won't apply heavy amounts; there's only a few things to mask / insulate.

- Erik