I have a rescue 911 that has a coil sleeve that appears to have melted inside the coil. I noticed when I first got the game, the one pop bumper top would not push down like it is supposed to. I pulled the coil off and saw a piece of melted plastic inside. The coil is showing 5.9 ohms. Do I need to get a new coil or can I save it if I can get the sleeve out somehow?