CONSIDERATIONS IN PLUS SIZING
Always refer to and follow the vehicle manufacturer ’s replacement tire
recommendations. In some cases, a vehicle manufacturer may specifically
advise against the application of replacement tires that are not of the
original size or type.
TIRE AND WHEEL MATCHING AND MOUNTING
WARNING!
Any attempt to mount a tire on a wheel with a different diameter
will result in an explosion of the tire/wheel assembly that could
cause severe personal injury or death.
Prior to mounting any tire, always check the wheel identification
stamp to verify the correct wheel diameter. Always check the tire
size molded onto the sidewall.
Never exceed 40 psi when seating the tire beads onto the wheel.
Always stand well clear of any tire mounting operation. This is
especially important when the service operator inflates the tire. If
the tire has been improperly mounted, it could burst with explosive
force causing serious personal injury or death.
A new valve stem must be installed on the wheel each time a worn
out passenger or light truck tire is replaced.
Removing and replacing tires on wheels can be dangerous.
Attempting to mount tires with improper tools or procedures could
result in a tire explosion, causing serious personal injury or death.
This is a job for your authorized Toyo Tires dealer or other qualified
tire service location only.
Serious personal injury or death can result from:
•Failure to select the proper tire and wheel. The tire must match the
width and diameter requirements of the wheel. When mounting
truck type radial tires use only wheels approved for radial tires.
• Failure to inspect both the tire and wheel. The wheel must be free
of cracks, dents, chips, and rust. The tire must be free of bead
damage, cuts, and punctures.
• Failure to follow proper procedures. For proper mounting proce-
dures, consult the Rubber Manufacturers Association’s publication
“Care and Service of Automobile and Light Truck
Tires” (www.rma.org).
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WARNING!(Continued)
•Exceeding the maximum bead seating pressure of 40 psi. Be
absolutely certain beads are fully seated before adjusting the
inflation pressure to the level recommended for vehicle operation.
Never put flammable substances in the tire/wheel assemblies at
any time. Never put any flammable substance into a tire/wheel
assembly and attempt to ignite it in order to seat the beads.
TIRE MIXING
CAUTION!
Driving your vehicle with an improper mix of tire sizes,
constructions, 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.
• Toyo Tires recommends that all four tires be of the same size, speed
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
temporary use of a spare tire.
• If two radial tires and two non-radial tires are used on a vehicle, put
the 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
Manual specifies speed-rated tires, the replacement tires must have the
same or higher speed rating to maintain vehicle speed capability.
• If a replacement tire has a lower speed capability than that specified by
the vehicle manufacturer, the vehicle’s speed must be restricted to that
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236
•
of the replacement tire. Vehicle handling could also be affected.
Consult the vehicle Owner ’s Manual or tire manufacturer for
recommendations.
• If tires with different speed ratings are used, it is recommended that
the lowerspeed- rated tires always be placed on the front axle. This is
to prevent a potential oversteer condition.
FOUR-WHEEL DRIVE (4WD) AND ALL-WHEEL DRIVE (AWD)
VEHICLES
If no instructions for tire mixing appear in the vehicle Owner ’s Manual,
follow these guidelines:
•Do
not mix tire sizes. All four tires must be marked with the same tire
size, unless otherwise specified by the vehicle manufacturer. This also
applies to /snow tires.
• Do not mix tread pattern types such as all-terrain and all- season.
STUDLESS WINTER/SNOW TIRES
•It
is always preferable to apply /snow tires to all wheel
positions, including dual tires, to maintain vehicle mobility and
control.
• If
/snow tires are applied to the front axle of any vehicle,
/snow tires must also be installed on the rear axle. DO NOT
apply /snow tires only to the front axle. This applies to all
passenger and light truck vehicles, including front-wheel- drive, 4WD,
and AW
D vehicles.
• If
/snow tires are installed on the rear axle of any vehicle, it is
recommended (but not required) that they also be installed on the front
axle.
WARNING!
Unless /snow tires on the rear axle have comparable traction
qualities to the tires on the front axle, the vehicle may experience
adverse handling characteristics. This may result in loss of vehicle
control, which can lead to serious personal injury or death.
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