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282 SERVICING AND MAINTENANCE
The suggested rotation method is the “rearward
cross” shown in the following diagram. This
rotation pattern does not apply to some direc-
tional tires that must not be reversed.
Tire Rotation (Rearward Cross)
Tire Rotation Recommendations — SRT
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 maintain mud, snow
and wet traction levels, and contribute to a
smooth, quiet ride.
Refer to “Scheduled Servicing” in “Servicing
And Maintenance” for the proper maintenance
intervals. The reasons for any rapid or unusual
wear should be corrected prior to rotation being
performed.
Tire Rotation — Same Tire Size On Front And
Rear Axle
The suggested rotation method for vehicles
equipped with non directional three season and
all season tires is the “forward cross” as shown
in the following diagram.
Tire Rotation (Forward Cross)
Tire Rotation—Different Tire Size On Front
And Rear Axle
The suggested rotation method is the
“side-to-side” as shown in the following
diagram. This method is required due to
different size tires on the front and rear of the
vehicle.
Tire Rotation (Side-to-Side)
DEPARTMENT OF TRANSPORTATION
UNIFORM TIRE QUALITY GRADES
The following tire grading categories
were established by the National
Highway 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 conform
to Federal safety requirements in addi-
tion to these grades.
20_LA_OM_EN_USC_t.book Page 282
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