Adjuster in backwards? I think this will cause them to tighten everytime you brake as compared to adjusting only when you brake in reverse. Or is this an old wives tale? My bets on a bad rubber hose not releasing the fluid out of the wheel cylinder though.
There is only a rubber hose from the brake line (metal tubing) to the distribution block on the axle, ( so the axle can move up and down) and THAT is a brand new SS line. so can't be that. but keep the idea's commin...