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Chevrolet Silverado Owner Manual - 2011
10-58 Vehicle Care
Light Truck (LT-Metric) Tire
(A) Tire Size : The tire size
code is a combination of letters
and numbers used to define a
particular tire's width, height,
aspect ratio, construction type,
and service description. See the
“Tire Size” illustration later in this
section for more detail.
(B) TPC Spec (Tire
Performance Criteria
Specification)
: Original
equipment tires designed to
GM's specific tire performance
criteria have a TPC specification
code molded onto the sidewall.
GM's TPC specifications meet
or exceed all federal safety
guidelines.
(C) Dual Tire Maximum Load
:
Maximum load that can be
carried and the maximum
pressure needed to support
that load when used in a dual
configuration. For information
on recommended tire pressure
see Tire Pressure
on page 10‑63
and Vehicle Load Limits
on
page 9‑23
.
(D) DOT (Department
of Transportation)
: The
Department of Transportation
(DOT) code indicates that
the tire is in compliance
with the U.S. Department of
Transportation Motor Vehicle
Safety Standards.
(E) Tire Identificatio n Number
(TIN)
: The letters and numbers
following DOT code are the Tire
Identification Number (TIN). The
TIN shows the manufacturer and
plant code, tire size, and date
the tire was manufactured. The
TIN is molded onto both sides
of the tire, although only one
side may have the date of
manufacture.
(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 10‑63
and Vehicle Load
Limits
on page 9‑23
.