8. With the shackle ends free, the leaf springs can be lowered, providing a bit more access to the front spring eye through-bolts. A pair of �-inch sockets separates the bolts and nuts here. Once again, you might end up fighting a rusty bolt that is seized inside the eye bushing. We’ve had to resort to a reciprocating saw to cut the bolt before. However, we lucked out again and both of our leaf spring bolts came out freely.