Tires and wheels
204
>> Operation Tire ply material
1
Plies in sidewall
2
Plies under tread
i
For illustration purposes only. Actual data
on tires are specific to each vehicle and may
vary from data shown in above illustration.
This marking tells you about the type of cord
and number of plies in the sidewall and under
the tread.
Tire and loading terminologyAccessory weight
The combined weight (in excess of those stan
dard items which may be replaced) of auto
matic transmission, power steering, power
brakes, power windows, power seats, radio,
and heater, to the extent that these items are
available as factoryinstalled equipment
(whether installed or not).
Air pressure
The amount of air inside the tire pressing
outward on each square inch of the tire.
Air pressure is expressed in pounds per
square inch (psi), or kilopascal (kPa) or bars.
Aspect ratio
Dimensional relationship between tire section
height and section width expressed in per
centage.Bar
Another metric unit for air pressure. There
are 14.5038 pounds per square inch (psi)
to 1 bar; there are 100 kilopascals (kPa)
to 1 bar.
Bead
The tire bead contains steel wires wrapped by
steel cords that hold the tire onto the rim.
Cold tire inflation pressure
Tire inflation pressure when your vehicle has
been sitting for at least 3 hours or driven no
more than 1 mile (1.6 km).
Curb weight
The weight of a motor vehicle with standard
equipment including the maximum capacity of
fuel, oil, and coolant, and, if so equipped, air
conditioning and additional optional equip
ment, but without passengers and cargo.
