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221
CAUTION!
The inflation pressure shown on the sidewall of the tire is not the
in
tended inflation pressure for the vehicle. Always refer to the
vehicle’s Tire Information Placard.
WARNING!
Driving on tires with insufficient inflation pressure is dangerous
be
cause it will cause your tires to overheat. This can cause sudden
tire failure, which may result in loss of vehicle control and lead to
serious personal injury or death.
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222
USING A TIRE PRESSURE GAUGE
For accuracy, check your inflation pressure with a tire pressure gauge
wh
en tires are cold for example, after being parked overnight. Driving
heats up tires and causes an inaccurate pressure reading.
To check inflation pressure with a tire pressure gauge:
1. Remove the tire valve cap.
2. P lace the end of the tire pressure gauge over the valve.
3
. P ress the tire pressure gauge straight and firmly and take a reading.
4
. I f needed, inflate and recheck the pressure with the tire pressure
ga
uge.
5. R eplace the valve cap.
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223
RECOMMENDATIONS FOR SAFE TIRE INFLATION
• If you must inflate your tires when they are hot, add four pounds
p
er square inch (4 psi) (28 kPa) above the recommended inflation
pressure specification. Recheck the inflation pressure when the tires
are cold and adjust to the recommended inflation pressure shown
on the vehicle’s Tire Information Placard.
• Never release air or nitrogen from a hot tire in order to reach the
r
ecommended cold tire pressure. Normal driving causes tires to run
hotter and inflation pressure to increase. If you release pressure
when your tires are hot, you may dangerously underinflate your
tires. If your tires lose more than one pound per square inch (1 psi)
per month, the tire, the valve, or the wheel may be damaged.
Consult an authorized Toyo Tires dealer for an inspection.
• Over-inflation can cause the tire to be more susceptible to impact
d
amage.
• Over-inflation or underinflation may adversely affect vehicle
h
andling.
• Remember to check your spare tire. Consult your vehicle Owner’s
M
anual for the correct inflation pressure and use of a “temporary
use” spare tire. The inflation pressure specified for a spare tire is
typically different from that specified for your regular tires.
• Use valve caps to keep valve cores clean and clear of debris and to
h
elp guard against air leakage.
WARNING!
Never inflate a tire unless it is secured to the vehicle or a tire
mo
unting machine. Inflating an unsecured tire is dangerous. If
the tire bursts, it could be propelled into the air with explosive
force and cause serious personal injury or death.
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229
The following procedures concerning replacement tires must be
followed:
• Confirm that the load-carrying capacity is greater than or equal to
t
he loadcarying capacity of the OE tire size at the pressure indicated
on the vehicle Tire Information Placard.
• Carefully note any differences between recommendations for front
a
nd rear axle positions regarding the tire size and/or inflation pres-
sure.
• The speed rating must be equal to or greater than what is specified
b
y the vehicle manufacturer if the speed capability of the vehicle is
to be maintained.
• Tires should be mounted on approved wheel widths. If changing
t
ire sizes, check to make sure the wheel has adequate load and infla -
tion pressure capacity.
• Body and chassis clearance must be checked on the vehicle’s front
a
nd rear axles.
In addition to the above, light truck tire replacements should take into
co
nsideration the following:
• Proper spacing between dual tires is necessary for optimum tire
p
erformance. If chains are used, particular care must be taken to
assure adequate clearance between loaded tires to avoid damage
from the chains. The allowable outside diameter difference between
a tire and its dual mate is 1/4 inch (6.4 mm) for light truck tires.
WARNING!
• Failure to install tires with adequate load capacity will result in
t
ire fatigue and sudden tire failure. This could lead to loss of
vehicle control, possibly resulting in personal injury or death.
• Certain vehicle performance parameters, including ride comfort
a
nd handling, may be affected by substitute tire sizes. In some
cases, particularly for SUVs and light trucks, a failure to follow
the vehicle manufacturer’s recommendations for tire replace -
ment could adversely affect the safe handling of the vehicle,
po
ssibly resulting in a loss of vehicle control leading to personal
injury or death.
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231
TIRE MIXING
• Toyo Tires® recommends that all four tires be of the same size,
s
peed rating, and construction (radial or non-radial). In some cases
the vehicle manufacturer may require different sized tires for the
front or rear axles. Never mix P-metric or European Metric
passenger tires with LT-metric tires on the same vehicle.
• Match tire size designations in pairs on an axle, except during the
t
emporary use of a spare tire.
• If two radial tires and two non-radial tires are used on a vehicle, put
t
he radials on the rear axle. If radial and non-radial tires are used on
a vehicle equipped with dual rear tires, the radial tires may be used
on either axle.
SPEED-RATED TIRE
• If the vehicle Tire Information Placard and/or the vehicle Owner’s
M
anual specifies speed-rated tires, the replacement tires must have
the same or higher speed rating to maintain vehicle speed capa -
bility.
• F
ailure to follow proper procedures. For proper mounting proce -
d
ures, consult the Rubber Manufacturers Association’s publica -
tion “Care and Service of Automobile and Light Truck Tires”
(r
ef.: www.ustires.org ).
•
Exceeding the maximum bead seating pressure of 40 psi. Be
a
bsolutely certain beads are fully seated before adjusting the
inflation pressure to the level recommended for vehicle opera -
tion.
Never put flammable substances in the tire/wheel assemblies at
an
y time. Never put any flammable substance into a tire/wheel
assembly and attempt to ignite it in order to seat the beads.
CAUTION!
Driving your vehicle with an improper mix of tire sizes,
co
nstructions, and speed ratings can be dangerous. Your car’s
handling characteristics can be adversely affected. You could have
an accident resulting in serious personal injury or death. Consult
your vehicle Owner’s Manual or an authorized Toyo Tires dealer
for proper tire replacement.
WARNING! (Continued)
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237
Full-size spare tires (not temporary spares) of the same size,
construction, and speed rating may be used in a five-tire rotation
pattern.
After rotation, check the inflation pressure of all the tires. The front
an
d rear tire pressures may vary according to the vehicle
manufacturer’s specifications.
Remember to follow your vehicle Owner’s Manual for tire rotation
in
tervals. Your Limited Warranty recommends Toyo brand tires to be
rotated as follows:
• Every 3,500
miles or less for high performance (low profile) tires.
• Every 7,500 m
iles or less for standard passenger and light truck tires.
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238
More frequent rotation or a thorough vehicle inspection may be
necessary if, upon inspection, irregular or erratic treadwear is
beginning to appear.
It is important to remember the following:
• These tire rotation recommendations do not take into account
d
ifferent tire and construction types mixed on the vehicle.
• Some tires cannot be rotated in the manner described. Such tires
i
nclude unidirectional tires. Unidirectional tread patterns must be
rotated front-to-rear only so that the direction of revolution does not
change.
• Some vehicles are designed with different tire sizes on the front and
r
ear axles. Normally, such combinations will not allow rotation.
Prior to rotating, consult the vehicle Owner’s Manual.
• For vehicles with dual rear wheels, see the vehicle Owner’s Manual
f
or the vehicle manufacturer’s procedures. If your vehicle Owner’s
Manual is not available, please contact the vehicle manufacturer.
• Some vehicles are equipped with wheels that limit the choice of
r
otation pattern. Consult the vehicle Owner’s Manual.
• Do not include temporary spare tires in the rotation pattern.
H
owever, if your spare tire is the same size and type as a road tire
(for LT tires of the same size, type, and load rating), it should be
included in the tire rotation process. The proper procedure is to use
the vehicle manufacturer’s recommended tire rotation procedures,
or if not available, to use the appropriate rotation pattern shown,
inserting the spare in the right rear position. Place the tire that
would have gone to the right rear in the spare tire storage position
as the new spare.
• Important! After rotation, adjust the pressure of the individual tires
t
o the vehicle manufacturer’s recommendation or the inflation pres-
sure recommended by Toyo Tires for an optional fitment according
to
the tire’s new location on the vehicle.
• Do not mix speed-rated tires on the same axle. Higher speed-rated
t
ires must remain on the rear axle. Consult an authorized Toyo Tires
dealer.
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245
TIRE STORAGE
Tires should be stored indoors in a cool dry place where water cannot
co
llect inside the tires. The tires should be placed away from harmful
ozone-producing electric generators and motors and sources of heat
such as hot pipes. Storage surfaces should be clean and free of grease,
gasoline, or other substances, which can deteriorate the rubber.
WARNING!
• Check inflation pressure before using your spare tire. Failure to
h
ave proper inflation pressure when using your spare tire may
cause loss of vehicle control, which could result in serious
personal injury or death. Maintain spare tire inflation pressures
based on the vehicle Owner’s Manual or the Tire Information
Placard.
• “T” Type high-pressure temporary spare tires should not be
u
sed with any other wheel, nor should standard tires, snow tires,
wheel covers, or trim rings be used on the high-pressure spare
tire wheel. If you fail to follow this warning, your vehicle’s
handling characteristics can be seriously affected. You could
have an accident resulting in serious personal injury or death.
Consult your vehicle Owner’s Manual for the proper use of your
“temporary use” spare tire.
• Do not operate your vehicle with more than one temporary spare
i
n use (this does not apply to a full size spare), and only operate
it at limited speeds and distances as indicated on the sidewall of
the tire.
• The “T” Type temporary spare tire may lower ground clearance
w
hen used. Avoid driving over large obstacles and other road
hazards. Check your vehicle Owner’s Manual for other special
clearance precautions when using the “T” Type temporary spare
tire provided in your vehicle.