[motornut]

Originally Posted by Gyawo

There should be a proportioning valve, that changes the braking pressure so the rear brakes dont lock up under heavy braking. Could possibly have an older weight proportioning valve, not sure if these trucks were equipped with such a thing. The outside may be dirty, what is the condition of the fluid?

I've seen those on lowered vans a piece attached to the rear suspension,it read how much the van's rear axle is traveling away from the body.the piece kinda looked like a gas tank sending unit?
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