WARNING!
Using tires of different size and type (M+S, Snow)
between front and rear axles can cause unpredict-
able handling. You could lose control and have a
collision.
CAUTION!
To avoid damage to your vehicle or tires, observe the
following precautions:
•
Because of restricted traction device clearance
between tires and other suspension components,
it is important that only traction devices in good
condition are used. Broken devices can cause seri-
ous damage. Stop the vehicle immediately if noise
occurs that could indicate device breakage.
Remove the damaged parts of the device before
further use.
•
Install device as tightly as possible and then
retighten after driving about ½ mile (0.8 km).
Autosock traction devices do not require
retightening.
•
Do not exceed 30 mph (48 km/h).
•
Drive cautiously and avoid severe turns and large
bumps, especially with a loaded vehicle.
•
Do not drive for a prolonged period on dry
pavement.
•
Observe the traction device manufacturer’s
instructions on the method of installation, operat-
ing speed, and conditions for use. Always use the
suggested operating speed of the device manufac-
turer’s if it is less than 30 mph (48 km/h).
(Continued)
CAUTION!
•
Do not use traction devices on a compact spare
tire.
TIRE ROTATION RECOMMENDATIONS
Tires on the front and rear axles of vehicles operate at
different loads and perform different steering, driving,
and braking functions. For these reasons, they wear at
unequal rates.
These effects can be reduced by timely rotation of tires.
The benefits of rotation are especially worthwhile with
aggressive tread designs such as those on all season
type tires. Rotation will increase tread life, help to main-
tain mud, snow and wet traction levels, and contribute
to a smooth, quiet ride.
For the proper maintenance intervals
page 194.
The reasons for any rapid or unusual wear should be
corrected prior to rotation being performed.
The suggested rotation method is the “rearward cross”
shown in the following diagram. This rotation pattern
does not apply to some directional tires that must not
be reversed.
DEPARTMENT OF TRANSPORTATION
UNIFORM TIRE QUALITY GRADES
The following tire grading categories
were established by the National High-
way Traffic Safety Administration. The
specific grade rating assigned by the
tire's manufacturer in each category is
shown on the sidewall of the tires on
your vehicle.
All passenger vehicle tires must con-
form to Federal safety requirements in
addition to these grades.
TREADWEAR
The Treadwear grade is a comparative
rating, based on the wear rate of the
tire when tested under controlled con-
ditions on a specified government test
course. For example, a tire graded
150 would wear one and one-half
times as well on the government
course as a tire graded 100.
Tire Rotation (Rearward Cross)
SERVICING AND MAINTENANCE 231
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