Buick 2009 Enclave User Manual
Page 313
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 5-43.
Curb Weight
:
The weight of a
motor vehicle with standard
and optional equipment including
the maximum capacity of fuel,
oil, and coolant, but without
passengers and cargo.
DOT Markings
:
A code molded
into the sidewall of a tire
signifying that the tire is in
compliance with the U.S.
Department of Transportation
(DOT) motor vehicle safety
standards. The DOT code
includes the Tire Identification
Number (TIN), an alphanumeric
designator which can also
identify the tire manufacturer,
production plant, brand, and date
of production.
GVWR
:
Gross Vehicle Weight
Rating. See Loading the Vehicle
on page 4-16.
GAWR FRT
:
Gross Axle Weight
Rating for the front axle. See
Loading the Vehicle on
page 4-16.
GAWR RR
:
Gross Axle Weight
Rating for the rear axle. See
Loading the Vehicle on
page 4-16.
Intended Outboard Sidewall
:
The side of an asymmetrical
tire, that must always face
outward when mounted on a
vehicle.
Kilopascal (kPa)
:
The metric
unit for air pressure.
Light Truck (LT-Metric) Tire
:
A
tire used on light duty trucks
and some multipurpose
passenger vehicles.
Load Index
:
An assigned
number ranging from 1 to 279
that corresponds to the load
carrying capacity of a tire.
Maximum Inflation Pressure
:
The maximum air pressure
to which a cold tire can
be inflated. The maximum air
pressure is molded onto the
sidewall.
Maximum Load Rating
:
The
load rating for a tire at the
maximum permissible inflation
pressure for that tire.
Service and Appearance Care
5-41