Maintaining
Air Pressure Ensure Not Only Longer Tire Life But Also Increases
Driving Safety!
PROPER TIRE INFLATION PRESSURE
Where
To Find The Correct O.E. Inflation Pressure
You will find the recommended pressure on a placard or sticker
in the door jamb, glove compartment, or near the gas cap. If
your vehicle does not have a placard, check the owner's manual
or consult the vehicle manufacturer, tire manufacturer, or your
local tire dealer. The tire placard tells you the maximum vehicle
load, the cold tire pressure, and the tire size recommended by
the vehicle manufacturer. -
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Using
A Tire Pressure Gauge
You can't tell when tires are low or underinflated just by looking.
Always use an accurate tire pressure gauge to determine your tire
pressure. Pressure gauges are available at your Toyo tire dealer
or auto parts store. -
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When
To Check Tire Pressure
Check inflation pressure (including the spare) at least once a
month and before every long trip. Tires must be checked when they
are cold (before they have run a mile). If you must drive over
a mile for air, measure and record the underinflation amount of
each tire. Upon arriving at the service station, measure each tire's
inflation again and if the pressure has increased, adjust the amount
of additional air pressure needed. For example, if cold pressure
should be 35PSI, cold pressure was 28PSI, and current pressure
is 33PSI, you should inflate the warm tires to 40PSI and recheck
them again when cold. -
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How
Do Tires Lose Pressure?
Tires lose pressure naturally through the process of permeation.
Changes in outdoor temperature can affect the rate at which tires
lose air. This change is more pronounced in hot weather. Generally
speaking, a tire will lose one or two pounds of air pressure per
month in cool weather or even more in hot weather. Remember, underinflation
is the leading cause of tire failure, so check inflation pressure
regularly. -
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Other
Tips
- Never "bleed"
or reduce air pressure when tires are hot. It is normal for pressures
to build up as a result of driving.
- Make sure all tire valves and
extensions are equipped with valve caps with rubber gaskets
to keep out dirt and moisture. Have a new valve stem assembly
installed whenever a tire is replaced.
- Underinflation or overloading
creates excessive heat, and can lead to tire failure, which
could result in vehicle damage and/or serious injury or death. -
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