Chevrolet 2013 Express Owner's Manual page 303

Light Truck (LT-Metric) Tire
(1) 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.
(2) 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. This does not apply
to Goodyear LT225/75R16
G949 RSA and Goodyear
LT225/75R16 G933 RSD
commercial truck tires.
(3) 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 56
and Vehicle Load Limits on
page 9 10.
Vehicle Care
(4) DOT (Department of
Transportation)
Department of Transportation
(DOT) code indicates that
the tire is in compliance
with the U.S. Department of
Transportation Motor Vehicle
Safety Standards.
DOT Tire Date of
Manufacture
:
digits of the TIN indicate the
tire manufactured date. The first
two digits represent the week
(01-52) and the last two digits,
the year. For example, the third
:
week of the year 2010 would
have a four-digit DOT date
of 0310.
10-51
The
:
The last four