2000 GMC C3500 Leaf Spring Shackle

You should install the shackle to the vehicle, install the shackle to the spring bolt, the washers, the nut, and the rear bracket bolt, the washers, the nut and adjust the spring height between the top surface of the axle jounce pad and the bottom surface of the frame jounce bracket.

You should raise the vehicle, support the vehicle with suitable safety stands, loosen the shackle to the spring nut, remove the shackle from the rear bracket bolt, nut, and washers, remove the shackle from the spring nut, washers and bolt and remove the shackle from the vehicle.