Tire Air Pressure
Submitted by igottabeme on 12/03/2007
Average Rating of 5 with 1 Vote(s)
Tires can lose one pound per square inch per month under normal conditions. Additionally, tires can lose 1 psi for every 10 degree F temperature drop. Don’t rely on looking at the tires to determine if they are underinflated. Eyes can be deceiving, so rely on a good tire gauge for an accurate reading. For accuracy, check your tires’ air pressure with a tire gauge when the tires are cold. Driving heats up tires and makes the air pressure reading incorrect. Underinflated tires creates an overload on tires and results in tire damage.
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Comment by jlewis submitted on 01/22/2008
Properly inflated tires also have less rolling resistance which results in better mileage. Underinflated tires can also fail suddenly under extended use at speed (highway trips), causing blowouts and loss of control. Properly inflated tires also are firmer resulting in better vehicle control. Just like you say, you can’t tell if a tire is a bit low just by looking at it, if your tire is visibly low it is dangerously low. Check the vehicle owner’s manual or door jamb for pressure specs and stick close to those, never exceed the pressure listed on the tire itself.
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