(D) Construction Code: A letter code is used to
indicate the type of ply construction in the tire.
The letter R means radial ply construction;
the letter D means diagonal or bias ply
construction; and the letter B means belted-bias
ply construction.
(E) Rim Diameter: Diameter of the wheel in
inches.
(F) Service Description: These characters
represent the load range and speed rating of the
tire. The load index represents the load carry
capacity a tire is certified to carry. The load index
can range from 1 to 279. The speed rating is
the maximum speed a tire is certified to carry a
load. Speed ratings range from A to Z.
Tire Terminology and Definitions
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).
Accessory Weight: This means the combined
weight of optional accessories. Some examples of
optional accessories are, automatic transmission,
power steering, power brakes, power windows,
power seats, and air conditioning.
Aspect Ratio: The relationship of a tire’s height
to its width.
Belt: A rubber coated layer of cords that is
located between the plies and the tread. Cords
may be made from steel or other reinforcing
materials.
Bead: The tire bead contains steel wires wrapped
by steel cords that hold the tire onto the rim.
Bias Ply Tire: A pneumatic tire in which the plies
are laid at alternate angles less than 90 degrees
to the centerline of the tread.
Cold Tire Pressure: The amount of air pressure
in a tire, measured in pounds per square inch (psi)
or kilopascals (kPa) before a tire has built up heat
from driving. See Inflation - Tire Pressure on
page 432.
429
Summary of Contents for 2007 Outlook
Page 6: ...These are some examples of symbols that may be found on the vehicle 6 ...
Page 26: ...Put someone on it Get it up to speed Then stop the vehicle The rider does not stop 26 ...
Page 166: ... NOTES 166 ...
Page 170: ...Instrument Panel Overview 170 ...
Page 386: ...Engine Compartment Overview When you lift the hood here is what you will see 386 ...
Page 484: ... NOTES 484 ...
Page 499: ...Engine Drive Belt Routing 3 6L V6 Engine 499 ...
Page 522: ... NOTES 522 ...