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. Below is an example of tire size with an explanation of what each component means.
P195/55R15 84H
P - Vehicle type (P indicates passenger vehicle).
195 - Tire width in millimeters.
55 - Aspect ratio (the tire’s section height as a percentage of its width).
R - Tire construction code (R indicates radial).
15 - Rim diameter in inches.
84 - 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
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 - This indicates that the tire meets all requirements of the U.S. Department of Transportation.
FW6X - Tire type code.
Information
This chapter includes your vehicle’s specifications, locations of
identification numbers, and other
information required by regulation. ...
Tire and Loading Information Label
The label attached to the driver’s doorjamb provides necessary tire and
loading
information.
The tire and loading information label attached to the
driver’s doorjamb contains:
1 The number ...
Output Shaft (Countershaft) Speed Sensor Replacement (A/T)
Remove the air cleaner assembly.
Disconnect the output shaft (countershaft) speed sensor connector, and
remove the output shaft (countershaft) speed sensor (A).
...