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Saggin' rear end

Why does my Mazda B2500 sag in the rear? when loaded just a little, she almost hits the ground. Shocks, springs?

Either weak springs or something is broken, possibly a spring shackle. Contrary to popular belief, worn shocks will not cause sagging. Shocks only control oscillation.

They would go low when cargo is loaded but yours sounds too low. I had an 87 which looked low until I put air shocks on it. I had quite a bit of junk in it.

Some springs are built by Hugh Jass and some by Fay Kass.