The tires that came on your vehicle
have a number of markings. Those you
should be aware of are described
below.
Tire Size
Whenever tires are replaced, they
should be replaced with tires of the
same size. Following is an example of
tire size with an explanation of what
each component means.
P215/70R16 99S
P － Vehicle type (P indicates
passenger vehicle).
215 － Tire width in millimeters.
70 － Aspect ratio (the tire's section
height as a percentage of its
width).
R － Tire construction code (R
indicates radial).
16 － Rim diameter in inches.
99 － Load index (a numerical code
associated with the maximum
load the tire can carry).
S － Speed symbol (an
alphabetical code indicating
the maximum speed rating).
Tire Identification Number (TIN)
The tire identification number (TIN)
is a group of numbers and letters that
look like the following example. TIN
is located on the sidewall of the tire.
DOT B97R FW6X 2202
DOT － This indicates that the tire
meets all requirements of
the U.S. Department of
Transportation.
B97R － Manufacturer's
identification mark.
FW6X － Tire type code.
TIRE LABELING EXAMPLE
(1) Tire Size
(2) Tire Identification Number (TIN)
(3) Maximu m Tire Pressure
(4) Maximu m Tire Load
(1)
(2)
(1)
(3)(4)
2202 －
Year
Week
Date of manufacture.
CONTINUED
Tire Labeling
313
Technical Information
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