There is a sleeve inside the bushings that usually seizes to the bolt. Penetrating oil, heat, BFH and patience usually works but sometimes the torch and Sawz-All need to come out.
I'm over in Loveland and could help Monday afternoon, just today and tomorrow morning are no good.
'91 Toyota Pickup
'09 Kawasaki KLR650
'12 Gunnar Rockhound 29
"They say the test of literary power is whether a man can write an inscription. I say, 'Can he name a kitten?'" -- Samuel Butler