2022 Chevrolet Spark Owner's Manual (Page 193 of 271)

2022 Chevrolet Spark Owner's Manual
Posted on 11 Aug, 2021
Model: 2022 Chevrolet Spark
Pages: 271
File size: 7 MB

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Chevrolet Spark Owner Manual (GMNA-Localizing-U.S./Canada-15540556) -
2022 - CRC - 4/9/21
192 Vehicle Care
(6) Tire Size : A combination of letters
and numbers define a tire's width,
height, aspect ratio, construction type,
and service description. The letter T as
the first character in the tire size means
the tire is for temporary use only.
(7) 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.
Tire Designations
Tire Size
The example shows a typical passenger
vehicle tire size.
Passenger (P-Metric) Tire
(1) 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.
(2) Tire Width
: The 3-digit number
indicates the tire section width in
millimeters from sidewall to sidewall.
(3) Aspect Ratio
: A 2-digit number that
indicates the tire height-to-width
measurements. For example, if the tire
size aspect ratio is 75, as shown in
item (3) of the illustration, it would
mean that the tire's sidewall is
75 percent as high as it is wide.
(4) 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.
(5) Rim Diameter
: Diameter of the
wheel in inches.
(6) Service Description
: These
characters represent the load index and
speed rating of the tire. The load index
represents the load carrying capacity a
tire is certified to carry. The speed
rating is the maximum speed a tire is
certified to carry a load.
Tire Terminology and Definitions
Air Pressure : The amount of air inside
the tire pressing outward on each
square inch of the tire. Air pressure is
expressed in kPa (kilopascal) or psi
(pounds per square inch).
Accessory Weight
: The combined
weight of optional accessories. Some
examples of optional accessories are
automatic transmission, power
windows, power seats, and air
conditioning.
Aspect Ratio
: The relationship of a
tire's height to its width.
Belt
: A rubber coated layer of cords
between the plies and the tread. Cords
may be made from steel or other
reinforcing materials.


General
Year 2022
Make Chevrolet
Model Spark
Language English
Pages 271
Filetype PDF (Download)
File size 7 MB

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