Retighten the lug nuts to the specified torque at 500 miles (800 km)
after any wheel disturbance (tire rotation, changing a flat tire, wheel
removal, etc.).
Bolt size Wheel lug nut torque*
ft-lb N•m
M12 x 1.5 mm 100 135
* Torque specifications are for nut and bolt threads free of dirt and
rust. Use only Ford recommended replacement fasteners.
TIRE INFORMATION
Tires Goodyear Eagle F1
Size 235/40-18
Speed rating Y
Load rating 95
Usage Summer only
Wheels 18 in. x 8.0 in., 55 mm offset aluminum wheels
Your ST vehicle is equipped with low profile, high performance tires that
are designed to optimize the driving dynamics you expect in a ST
vehicle. These tires are not optimized for off-road or winter (snow or
cold weather) performance, and their ride, noise and wear characteristics
are different than non-performance tires. Also, because of their lower
profile, the tires are more susceptible to damage due to potholes and
rough roads. To make sure that your tires perform as intended, it is
important that you maintain your tires properly:
•Note:Do not use tire chains on the original wheels and tires of your
vehicle. The use of any type of tire chain on these tires may damage
your vehicle.
•Do not overload your vehicle. Maximum vehicle and axle weights are
listed on the tire information placard.
•Extra caution should be taken when operating the vehicle near its
maximum load, including assuring proper tire pressure and reducing
speeds.
•Extra caution should be taken when operating on rough roads to avoid
impacts that could cause tire damage.
•In the event that you encounter an abnormally harsh impact, inspect
your tires for damage.
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•Inspect your tires for damage on a regular basis. If a tire is damaged,
replace it immediately.
•Proper suspension alignment is critical for maximum performance and
optimal tire wear. If you notice uneven tire wear, have your alignment
checked.
•When replacing tires, the only way to maintain original performance is
to use the original equipment tire. If a different summer tire is used, it
should be the same size, speed rating and load rating as the originally
equipped tire. Tires should be replaced as a set of four. Never mix tire
brands or models.
TIRE PRESSURE
•For tire pressures, see the placard located on the B-pillar inside the
driver’s door.
•Always maintain your tire pressures according to the tire information
placard on the driver’s door jamb, using an accurate gauge.
•Tire pressures are specified “cold” and should be checked after the
vehicle has been parked for at least 3 hours. Do not reduce pressure
of warm tires.
•Check your tire pressure often to maintain it properly. Tire pressure
can diminish over time and fluctuate with temperature.
WINTER DRIVING
The original equipment tires on your ST vehicle are designed for
maximum performance in dry and wet summer conditions. They are not
designed for winter use on ice or snow and cannot be used with snow
chains. Ford does not recommend using the original equipment tires
when temperatures drop to approximately 40°F (5°C) or below
(depending on tire wear and environmental conditions) or in snow/ice
conditions. If you will be operating your vehicle in these conditions,
winter or all-season tires must be used.
•Even with clear, dry driving conditions do not operate your vehicle
above posted speed limits or perform high speed maneuvers with
winter tires.
•Do not use tire chains on the original wheels and tires of your vehicle.
The use of any type of tire chain on these tires may damage your
vehicle.
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