Under Inflated Tire Problems.
• Too much flexing
• Too much heat
• Tire overloading
• Premature or irregular wear
• Poor handling
• Reduced fuel economy
Over Inflated Tire Problems.
• Unusual wear
• Poor handling
• Rough ride
• Needless damage from road hazards
For additional information regarding how much weight your vehicle can carry, and an
example of the Tire and Loading Information label, see Loading the Vehicle section of
your owners manual . How you load your vehicle affects vehicle handling and ride
comfort. Never load your vehicle with more weight than it was designed to carry.
When to Check
Check your tires once a month or more. Do not forget to check the compact spare tire, it
should be at 60 psi (420 kPa).
How to Check
Use a good quality pocket-type gauge to check tire pressure. You cannot tell if your tires
are properly inflated simply by looking at them. Radial tires may look properly inflated
even when they are under-inflated. Check the tire's inflation pressure when the tires are
cold. Cold means your vehicle has been sitting for at least three hours or driven no more
than 1 mile (1.6 km).
Remove the valve cap from the tire valve stem. Press the tire gauge firmly onto the valve
to get a pressure measurement. If the cold tire inflation pressure matches the
recommended pressure on the Tire and Loading Information label, no further adjustment
is necessary. If the inflation pressure is low, add air until you reach the recommended
amount.
If you overfill the tire, release air by pushing on the metal stem in the center of the tire
valve. Re-check the tire pressure with the tire gauge.
Be sure to put the valve caps back on the valve stems. They help prevent leaks by
keeping out dirt and moisture.
A vehicle specific
Tire and Loading Information label
is attached to your vehicle. This
label shows your vehicle's original
equipment tires and the correct
inflation pressures for your tires
when they are cold. The
recommended cold tire inflation
pressure, shown on the label, is the
minimum amount of air pressure
needed to support your vehicle's
maximum load carrying capacity.
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