1997 Ford Probe

Thanks for any HELP. I am having trouble getting the Crankshaft pully bolt loose. 125lbs of air didn't break it loose. Is it reversed threads by chance? I tried a heat gun on the bolt, even tried to hit it a couple of time with a hammer / chisel ( conter clockwise) but no luck. Any ideas?
John Wallace
April 22, 2007.

If an air impact didn't remove it one way. Nothin to loose going the other! Don't use too much heat, timing belt is rubber!

Apr 23, 2007.