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Cars / Trucks /
How to maintain proper tire pressure.
Tools / Materials (See Below for
Tire pressure gauge
Pen/pencil (for pressure notation)
Piece of paper (for pressure notation)
Air pump/compressor/gas station air service
To properly maintain your vehicle, and, of
course, help ensure your safety and those of others who travel in
your vehicle, you must regularly check the pressure of your
vehicle's tires. The National Highway Traffic Safety
Administration strongly urges that motorists, such as yourself,
should check the pressure of your vehicle's tires at least once a
following are basic steps of how to properly maintain your tire
you intend to check the air pressure of your vehicle's tires to
make sure they are compliant with the inflation pressure per
square inch standard ("psi") established for your tires by the
tire manufacturer (psi found on the sidewall of the tires), make
sure that your vehicle has not been driven for at least
three hours in order to obtain an accurate "cold pressure"
reading. Otherwise, checking the pressure of the tires
just after driving will provide a false reading, since the
warmth generated as a result of driving will increase the air
pressure found in the tires.
informational sidewall of each tire to find out the (stamped)
correct inflation pressure per square inch (psi) of each tire
established by the tire manufacturer.
Making sure that
the vehicle has not been driven for at least three hours in
order to get the actual "cold pressure" reading, use a tire
pressure gauge to gauge the current air pressure of each tire,
and note each tire's pressure.
For tires that
are determined to have too much air pressure/psi according to
your tire pressure gauge, slowly release the air pressure from
these tires until the air pressure
of these tires is reduced to
the psi determined by the tire manufacturer, using your tire
pressure gauge to make sure your ultimate reduction of air
pressure is sufficient to meet the psi of the manufacturer.
If, on the other hand, the air pressure/psi is too low of one or
more tires, identify and note the difference of air pressure/psi
between each affected tire and the established psi of the tire
manufacturer, and then use either your own air pump/compressor
or the available air pump service at a gas station to pump air
into each affected tire that is equal to the aforesaid
respective air-pressure difference found of each such tire.
your tire pressure gauge, double check the air pressure/psi of
all your tires again to ensure that they have the air pressure/psi
determined by the tire manufacturer.
Handyman Zone Team