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7-43
7
Maintenance
1. Manufacturer or brand name
Manufacturer or brand name is
shown.
2. Tire size designation
A tire’s sidewall is marked with a tire
size designation. You will need this
information when selecting replace-
ment tires for your car. The following
explains what the letters and num-
bers in the tire size designation
mean.
Example tire size designation:
(These numbers are provided as an
example only; your tire size designa-
tor could vary depending on your
vehicle.)
235/35R19 91Y
235 - Tire width in millimeters.
35 - Aspect ratio. The tire’s section
height as a percentage of its
width.
R - Tire construction code (Radial).
19 - Rim diameter in inches.
91 - Load Index, a numerical code
associated with the maximum
load the tire can carry.
Y - Speed Rating Symbol. See the
speed rating chart in this section
for additional information.
Wheel size designation
Wheels are also marked with impor-
tant information that you need if you
ever have to replace one. The follow-
ing explains what the letters and
numbers in the wheel size designa-
tion mean.
Example wheel size designation:
8.0JX19
8.0 - Rim width in inches.
J - Rim contour designation.
19 - Rim diameter in inches.
OLMB073028
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