The sound you are describign sounds like a broken flex plate rattling around, we get this in excels occasionally. I would be worried with doing up those bolts with just a rattle gun tho! Never trust a rattle gun with anything, including wheel nuts.
Phat Drift Damaged
Cobalt Blue 1994 EF XR8 5 spd
Fully optioned - Sunroof, cruise, body kit
Stock as a Rock for the moment