Actually I was trying to fix my hood alignment when I cracked it. I was trying to pry the wipers off in order to remove the shroud so that I can get at the hinge mounting bolts. Well I pried a bit too hard. In the end I didn't feel I aligned it and could not figure out what exactly was wrong, but seems the driver side hinge was binding up as the hood opened. Is causing the hood edge to walk around and hit the fender and shroud. Sheared off one of the bolts, had to drill it out and replace the nut/bolt. Now you mentioned your hinge is seized and your hood popped up while driving scares me a bit.
