Ford 1999 Wagon-Econoline Owner's Manual page 138

Roadside emergencies
• 8 lug wheel
Never use wheels or lug
nuts different than the
original equipment as this could
damage the wheel or mounting
system. This damage could allow
the wheels to come off while the
vehicle is being driven.
9. Replace any wheel covers,
ornaments or hub caps. Make sure they are screwed or snapped in place.
10. Stow the jack, handle and lug wrench.
11. Unblock the wheels.
On vehicles equipped with dual rear wheels, retighten the wheel lug nuts
to the specified torque at 160 km (100 miles), and again at 800 km
(500 miles) of new vehicle operation and at intervals specified in the
"Service Guide."
On vehicles equipped with single rear wheels, retighten the lug nuts to
the specified torque at 800 km (500 miles) of operation after any wheel
change or any time the lug nuts are loosened.
Model
E-150
E-250, E-350
and E-Super
Duty
* Torque specifications are for nut and bolt threads free of dirt and
rust. Do not use oil or grease on threads. Use only Ford recommended
replacement fasteners.
138
Bolt Size
1/2-20
9/16-18
6
4
8
Wheel Lug nut Torque*
N•M
135
190
1
7
3
5
2
Ft-Lb
100
140