219
T
IRE
R
OTATION
R
ECOMMENDATIONS
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.
Rotation will increase tread life, maintain traction
levels and contribute to a smooth, quiet ride.
To resolve this problem, tires should be rotated at
each service interval (approximately every
10,000 miles [16,000km]). More frequent
rotation is permissible if desired. The reasons for
any rapid or unusual wear should be corrected
prior to rotation being performed.
Tire Rotations Not Recommended — If Equipped
Due to different size tires and wheels on front and
rear axles tire rotation is not possible for:
2.0T GME Engine Equipped with a 225/40R19
front and 255/35R19 rear tires
2.9L V6 Engine Equipped with 19” tires and
wheels
Tire rotation contributes to the preservation of the
grip and traction performance on wet, muddy or
snowy roads, guaranteeing optimal drivability of
the vehicle.
In the case of irregular wear of the tires identify
the cause and correct it as soon as possible, by
contacting an authorized dealer.
Tire Rotation for Directional Tires — If Equipped
Directional tires are equipped on the following:
2.0T GME Engine equipped with same size
tires and wheels on front and rear axles
The rotational direction of the tire must be taken
into consideration when rotating the tires. The
recommended rotation pattern for directional
tires is shown in the following diagram.
Tire Rotation
All Wheel Drive (AWD) Models
It is recommended to avoid situations with a large
difference in wear between the front and rear
tires and to strictly use Winter tires of the sizes
given on the tire placard.
The AWD system and the original tires are
developed together to ensure the vehicle’s best
performance. When changing the tires, it is
recommended to us the same “AR” marked tires,
to maintain the same level of performance and
component life.
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 addition to these grades.
T
READWEAR
The Treadwear grade is a comparative
rating, based on the wear rate of the
tire when tested under controlled
conditions 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. The relative
performance of tires depends upon the
actual conditions of their use, however,
and may depart significantly from the
norm due to variations in driving habits,
service practices, and differences in
road characteristics and climate.
CAUTION!
Damage to the vehicle may occur if 225/40R19
front and 255/35R19 rear tires are rotated
CAUTION!
Damage to the vehicle may occur if 19” front
and rear tires are rotated
22_GA_OM_EN_USC_t.book Page 219
Summary of Contents for GIULIA 2021
Page 246: ......
