Dan the Gear Man Tech® Note 2:
Wheel Bearing Spindle Nut and Lock Installation for 1995-1997 Ford F250, F350 Auto Hub Locks:
A. Install Nut on Spindle (Both left and right nuts are right hand thread to install, turn clockwise).
B. Use torque wrench and QT1058 socket to Torque QU20200 Nut to 50 lb.-ft. while rotating the wheel hub.
C. Back nut off 1/4 turn and retorque to 25 lb. in. (Note this setting is in INCH pounds!).
D. Locate slot in spindle nut closest to spindle key slot.
E. ADVANCE nut clockwise so the next slot in nut is aligned with left side of spindle key slot.
F. Install QU20201
Key into the nut slot and spindle key way. QU20201
Key MUST be be pushed in until the curved portion of the key is seated in the counter bore machined in the face of QU20200 Nut