Bronco and Fl 50/350 Models 4-WD
Tighten adjusting nut to 50 ft.lbs. while rotating rotor. Back nut off 90°. Install locking nut and tighten to 50-80 ft.lbs. Final end play should be.001-.010" (.001-.008" for F250 4-WD with Spicer (Dana) 44-9F Axle).