without removing everything but for now complete disassembly is my best
advice. (Update, check out
Removing Front Face Plate for directions)
Open a Controller
This should not even require a tutorial. By far the easiest fix. Quit being
annoyed and spend the 30 minutes it takes to clean them up. Nothing sucks
more than dieing because of a missed shot, jump, weapon switch, whatever
that you have to blame on the controller. So for those of you that need a little
encouragement here we go.
Start with a controller with sticky buttons.
Get the necessary tools, a Philips #1