Not hard at all, but hammering is no good, you need constant force to break the bolt loose.
It rusts in the bushings and sometimes in the mount it's self
85stroka wrote:Most times it's gonna break around the bushings in the case
so the crack would be very evident, something that i could see with my bare eyes?
Or could be hair line I would tap it softly and see if there is tone difference between to the 2 sides, typically a hollow sound is cracked
a solid thud is not cracked