This is pretty ghetto......attempt at your own will!!!!! When I was working at the shop we had a couple persuations to get that bolt off. You can place a breaker bar with the 17mm or 19 mm, whichever the bolt size (don't remember. Crank the engine but only in pulses. The breaker bar will hit the frame or lca, and may or maynot break the bolt loose. It had worked a couple times in my mechanic days, but I suggest getting the right tools. Preferrably a chainlink breaker bar that works as anti rotation for the main pulley, which you can use a breaker bar to get the bolt loose. Good luck!