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Summary: If a car gets a flat tire from a nail, the tire can be fixed with a kit that will fill the nail hole with a replacement substance. Make sure there are no air bubbles when fixing a flat tire by following the advice of an auto mechanic in this free video on car repair and diagnostics.
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 and I'm a certified master mechanic out of Reading, Pennyslvania. Today I'm going to show you how to fix a flat tire. You're driving down the road and let's say you get a nail on the road, unfortunately this tire does not but we're going to show it to you real quick. What you want to do is get a pair of pliers and pull your nail out, make sure you mark the tire as good as you can. Now this certain kit we have here I picked up this morning at a local parts store, it cost me I think ten dollars. This tool here is a little reamer, it goes down inside the hole. You push it down inside to where that nail was, and you row it back and forth a few times. Get that hole opened up just a little bit. You take your second tool here, almost looks like you're knitting a blanket or something. You push this in through here, this gets a little tricky sometimes. You get about halfway up this little cork as you will, and you fold it back, and the easiest thing to do is just give it a little twist and make sure it's all nice and together. Take your little slime here, put a little slime on top of this. Now obviously I'm not going to put this inside a tire 'cause I don't have a hole but we're going to show you for demonstration here, just make sure it's nice and smooth all the way around the outside and you push this down in the hole. And when this point goes down in it's got an opening on the tip of it, it goes down inside, this cork as you would would stay in there, and when you pull this back out, see if it's going to let me do it now, it's pretty slippery. This should be sticking out of your tire like this. Doubled up, and what you want to do is take either a razor blade or a knife or something sharp, don't pull it out, just cut it out nice and flush for the tire - maybe even an eighth of an inch sticking out of the tire. You can see about that much sticking out of the tire is good to go. And then all you got to do is just fill it back up with air, spray a little water on the outside where you have your cork, just check and make sure you don't have any air bubbles, water bubbles that leak, fill it back up and make sure you got thirty-five pounds of pressure on it, as long as that's where it says right on the side of your tire, it's always marked, got to be air pressure recommended. Fill it up, put it back in your tire and you're good to go."
eHow Article: How to Fix a Flat Tire