F 350 4WD Super Duty V8-6.4L DSL Turbo (2008)
16. Remove and discard the 4 nuts and 2 U-bolts to allow the rear axle to separate from the rear spring.
17. Turn the shim so the recess is facing upward.
18. Insert the shim between the rear spring and the spring seat.
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Position the shim so the center bolt through the spring leafs is in the shim recess, the stud on the bottom of the shim is in the spring seat recess
and the shim is aligned with the rear spring.
