Quote:
Originally Posted by Calum
1 USE AN IMPACT GUN! Set it to the lowest setting and even reduce the air pressure, let it sit there hammering away, until it slowly starts turning the bolt out. You should start at a setting that's too low and slowly work it up to just turning the bolt. This will keep the bolt in the elastic range of the material instead of causing it to yield or fail. Using a breaker bar is a sure way to twist it off or break the internal nut free. I've done this more times then I can count. It works great, you just need a little patience.
2 USE A TAP! If you can get the bolt out run a tap through to clean things up and hopefully straighten out enough of the threads to get a good hold.
OP seems like he's probably thought about this, but for anyone reading this please PLEASE don't follow the advice below. Impact guns aren't the enemy, not knowing how to use them is.
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Must admit I am skeptical about using an impact but will keep it in mind when I attempt to remove the bolt. Thanks for the input.