Jack up rear and put on jack stands.
with truck out of gear, crawl under and pull the plugs on the break backing plates.
with a large flat blade screw driver turn the star wheel until the breaks drag.
back off about 4 notches until the wheel turns free.
put the plugs back in.
do the other wheel the same way.
put the truck back on the ground.
if the auto adjust is working in the brakes, go to a large empty parking lot.
back the truck up at a fast walk and slam on the brakes hard.
repeat until the brakes are adjusted and you have good peddle.
98.5 3500 dually 4X4, BHAF, HX35 14cm2, TunnelRam, B&D exh man, RV 275 inj, FASS 95, PowerMax3, Smarty, SGII, CoPilot, PacBrake, TripleLock LS TC, HP VB, MagHytec DD Tran pan, 2nd Tran cooler with fan, 3.55 gears, MBRP 4", 93 gal aux fuel.