Is there a secret to removing the top frame bolt for the front panhard rod? I got the bottom bolt out but the front is impossible, even with a HD impact gun, mine won't budge a bit. I'm to the point of using a nut splitter but the nut has a flat base so I don't know if the nut splitter will work either. I got a new nut and it looks like there are "teeth" on the base of the nut so I tried the bolt and even with a 4 foot cheater bar, it won't move at all. Any pointers out there? I have an adjustable panhard rod just sitting in the garage and my axle is definitely not centered at the moment. Please help!