Winter is Coming
Time to think about winterizing your Bolt.
A good Tech Tip WINTERIZING YOUR TRUCK including a link back to the Forums for additional tips.
You can get at the back sides of the bolts that hold the hinges to the body, try PB Blaster and or heat there. Last resort, drill them out and retap the threads. I had to do this on one of mine and still have not found a replacement screw.