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Checking and Maintaining Tires
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Tire and Loading Information Label
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Tire and Loading Information Label
The label attached to the driver’s doorjamb provides necessary tire and loading
information.
Tire Labeling
The tires that came on your vehicle have a
number of markings. Those you should be
aware of are described below.
Whenever tires are replaced, they should be replaced with tires of the same size.
1
Tire and Loading Information Label
The tire and loading information label attached to the
driver’s doorjamb contains:
a
The number of people your vehicle can carry.
b
The total weight your vehicle can carry. Do not
exceed this weight.
c
The original tire sizes for front, rear, and spare.
d
The proper cold tire pressure for front, rear, and
spare.
a
Label
Example
b
c
d
Example
Tire Size
Tire
Identification
Number (TIN)
Maximum
Tire Load
Maximum
Tire Pressure
Tire Size
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Tire Sizes
1
Tire Sizes
Following is an example of tire size with an
explanation of what each component means.
P255/50 R19 103H
P: Vehicle type (P indicates passenger vehicle).
255: Tire width in millimeters.
50: Aspect ratio (the tire’s section height as a
percentage of its width).
R: Tire construction code (R indicates radial).
19: Rim diameter in inches.
103: Load index (a numerical code associated with
the maximum load the tire can carry).
H: Speed symbol (an alphabetical code indicating the
maximum speed rating).