Chevrolet EXPRESS - 2011, Руководство пользователя

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Black plate (56,1)
Chevrolet Express Owner Manual - 2011
10-56 Vehicle Care
(F) Tire Ply Material
:
The type
of cord and number of plies in
the sidewall and under the tread.
(G) Single Tire Maximum
Load
:
Maximum load that can
be carried and the maximum
pressure needed to support that
load when used as a single. For
information on recommended
tire pressure see
Tire Pressure
on page 10 ‑ 60 and Vehicle Load
Limits on page 9 ‑ 12 .
Tire Designations
Tire Size
The following examples show
the different parts of a tire size.
Passenger (P ‐ Metric) Tire
(A) Passenger (P ‐ Metric) Tire
:
The United States version of a
metric tire sizing system. The
letter P as the first character in
the tire size means a passenger
vehicle tire engineered to
standards set by the U.S. Tire
and Rim Association.
(B) Tire Width
:
The three ‐ digit
number indicates the tire section
width in millimeters from
sidewall to sidewall.
(C) Aspect Ratio
:
A two ‐ digit
number that indicates the tire
height
‐ to ‐ width measurements.
For example, if the tire size
aspect ratio is 75, as shown in
item C of the illustration, it would
mean that the tire's sidewall is
75 percent as high as it is wide.
(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
index and speed rating of the
tire. The load index represents
the load carrying capacity a tire