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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STUDDED WINTER/SNOW TIRES
•Studded /snow tires have higher traction qualities under most
weather conditions.
• If studded /snow tires are installed on the front axle of any
vehicle, studded /snow tires must also be installed on the rear
axle. DO NOT apply studded /snow tires only to the front axle.
•If studded /snow tires are installed on the rear axle of any
vehicle, it is strongly recommended that they should also be installed
on the front axle. Only if studded /snow tires are installed on all
wheel positions of a vehicle will optimum handling characteristics be
achieved.
WARNING!
Installing only two studded /snow tires on the front axle of
any vehicle (including front-wheel-drive vehicles) without studded
/snow tires on the rear axle can cause adverse vehicle
handling characteristics. This can result in a loss of vehicle control,
which could cause serious personal injury or death.
mNOTICE!
In some cases, the vehicle manufacturer may specifically advise against
replacing fewer than all four tires. Always check and follow the
recommendations in the vehicle Owner’s Manual. For 4WD and AWD
vehicles, even small differences in outside diameter may cause drivetrain
damage or mechanical malfunction.
REPLACING TWO TIRES
•When a pair of replacement tires is selected in the same size and
construction as those on the vehicle, the two newer tires must be
installed on the rear axle and must be of equal or higher speed rating
than the front tires. Generally, new tires with deeper tread will provide
better grip and evacuate water more effectively, which is important as
a driver approaches hydroplaning situations. Placing greater traction
on the rear axle on wet surfaces is necessary to prevent a possible
oversteer condition and loss of vehicle stability.
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