Hmm, ok, I'm working on taking apart one of the knuckles off my GM 60 front and everything is off but the lower king pin stuff. According to all 3 of my diagrams you just pull the 4 bolts off and the king pin plate thing comes off. Well, I pulled the 4 bolts and have banged on, cussed at, air hammered, air chiseled, etc and it won't budge... I'm actually gouging into the plate with the air chisel... Whats up?