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The tread or sidewall is cracked, cut, or snagged
deep enough to show cord or fabric.
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The tire has a bump, bulge, or split.
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The tire has a puncture, cut, or other damage that
cannot be repaired well because of the size or
location of the damage.
The rubber in tires degrades over time, even if they are
not being used. This is also true for the spare tire, if
your vehicle has one. Multiple conditions affect how fast
this aging takes place, including temperatures, loading
conditions, and inflation pressure maintenance. With
proper care and maintenance tires will typically wear out
before they degrade due to age. If you are unsure
about the need to replace your tires as they get older,
consult the tire manufacturer for more information.
Buying New Tires
GM has developed and matched specific tires
for your vehicle. The original equipment tires
installed on your vehicle, when it was new,
were designed to meet General Motors Tire
Performance Criteria Specification (TPC Spec)
system rating. If you need replacement tires,
GM strongly recommends that you get tires with
the same TPC Spec rating. This way, your vehicle
will continue to have tires that are designed to
give the same performance and vehicle safety,
during normal use, as the original tires.
GM’s exclusive TPC Spec system considers over
a dozen critical specifications that impact the
overall performance of your vehicle, including
brake system performance, ride and handling,
traction control, and tire pressure monitoring
performance. GM’s TPC Spec number is molded
onto the tire’s sidewall near the tire size. If the
tires have an all-season tread design, the
TPC Spec number will be followed by an MS for
mud and snow. See Tire Sidewall Labeling on
page 5-56 for additional information.
GM recommends replacing tires in sets of four.
This is because uniform tread depth on all tires
will help keep your vehicle performing most like it
did when the tires were new. Replacing less
than a full set of tires can affect the braking
and handling performance of your vehicle.
See Tire Inspection and Rotation on page 5-70
for information on proper tire rotation.
5-72
Содержание 2009 Cobalt
Страница 16: ...Put someone on it Get it up to speed Then stop the vehicle The rider does not stop 1 12 ...
Страница 80: ... NOTES 1 76 ...
Страница 124: ... NOTES 2 44 ...
Страница 127: ... NOTES 3 3 ...
Страница 128: ...Instrument Panel Overview 3 4 ...
Страница 258: ... NOTES 4 42 ...
Страница 270: ...Engine Compartment Overview When you open the hood on the 2 2L L4 engine here is what you will see 5 12 ...
Страница 272: ...When you open the hood on the 2 0L L4 engine this is what you will see 5 14 ...
Страница 362: ...10 Remove all of the wheel nuts 11 Remove any rust or dirt from the wheel bolts mounting surfaces and spare wheel 5 104 ...
Страница 365: ...A Cover B Retainer C Jack and Wheel Wrench D Stow Bolt Extension Rod E Flat Tire F Bolt Base Model 5 107 ...
Страница 384: ... NOTES 5 126 ...
Страница 399: ...Engine Drive Belt Routing Dotted line shows routing for vehicles without air conditioning 6 15 ...
Страница 401: ...Maintenance Record cont d Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6 17 ...
Страница 402: ...Maintenance Record cont d Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6 18 ...
Страница 422: ... NOTES 7 20 ...