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Summary: If a car's tires seem low on air, check them with a tire pressure gauge to make sure that the pressure matches the amount required for the tires. Check tire pressure specification on the tires themselves with help from an auto mechanic in this free video on car maintenance and repairs.
Thomas Brintzenhofe has been a certified mechanic for more than 14 years and a certified master mechanic for more than eight years. He is a General Motors certified driveability...read more
"Hello my name is Tom Brintzenhofe, I'm a certified master mechanic out at Reading, Pennsylvania and today I'm going to show you how to put air into your tire. Anytime you think you got your tire a little bit low, the best thing to do is just check it with your tire pressure gage. It should be checked every time you stop to put gas into your car and most of us don't have time to do that. But if you ever get a chance to every once in a while, before you go out on a little trip, just push this little gage on here. This one is reading about twenty seven pounds, the recommended tire pressure is always on the side of the tire, it's usually marked in a little block similar to this here. If you don't find it on the tire you can find it on the driver's side door on the label, that's the correct tire pressure for your vehicle. Now when you pull into your local gas station, it has a little pump there sometimes it's free, a quarter, fifty cents, what you'll do is you turn it on, push it up exactly the same way that this tire pressure gage goes on your valve stem. Push it in here fill it up, periodically you want to stop, put your gage on to check it. This one here is forty-four pounds, you just fill it up until you get to forty-four pounds on your gage somewhere right around here, put your cap back on once you get it up to pressure and you're good to go."
eHow Article: How to Put Air in a Tire