GMC Savana 2011 Owner's Manual page 320

10-54 Vehicle Care
(D) Tire Identification 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.
(E) Tire Ply Material
:
of cord and number of plies in
the sidewall and under the tread.
(F) Uniform Tire Quality
Grading (UTQG) Tire
:
manufacturers are required
to grade tires based on
three performance factors:
treadwear, traction, and
temperature resistance. For
more information, see Uniform
Tire Quality Grading on
page 10 69.
(G) Maximum Cold Inflation
Load Limit
that can be carried and the
maximum pressure needed
to support that load. For
information on recommended
tire pressure see Tire Pressure
on page 10 58 and Vehicle Load
Limits on page 9 12.
The type
Light Truck (LT-Metric) Tire
(A) Tire Size
code is a combination of letters
and numbers used to define a
particular tire's width, height,
I n f o r ma t i o n P r o v i d e d b y :
Maximum load
:
The tire size
:
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. This does not apply
to Goodyear LT225/75R16 G949
RSA and Goodyear LT225/
75R16 G933 RSD commercial
truck tires.
(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
: