FORD 2013 E-450 v.1 - Manual (Page 277)

On vehicles equipped with dual rear wheels, retighten the wheel lug nuts
to the specified torque at 100 miles (160 kilometers), and again at
500 miles (800 kilometers) of new vehicle operation and after any wheel
disturbance (tire rotation, changing a flat tire, wheel removal, etc.).
Bolt size and wheel
lug nut type
Wheel lug nut torque*
ft-lb N
•m
9/16 x 18 conical lug
nut 150 200
9/16 x 18 two-piece
lug nut 140 190
* Torque specifications are for nut and bolt threads free of dirt and
rust. Use only Ford recommended replacement fasteners.
On all two-piece flat wheel nuts, apply one drop of motor oil between the
flat washer and the nut. Do not apply motor oil to the wheel nut threads
or the wheel stud threads.
Note: Inspect the wheel pilot hole
and mounting surface prior to
installation. Remove any visible
corrosion or loose particles.
Wheels and Tires 277
2013 Econoline (eco)
Owners Guide gf, 1st Printing
USA (fus)