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PITTSBURGH (KDKA) – The extreme cold has been causing all sorts of problems from water main breaks to car issues.
In fact, auto repair shops have been swamped with flat tires.
This not about "flat tires". It is about drivers panicking when their sensors flash that their tires are a pound below the threshold of their amazing miracle life-saving infallible electronic tire sensors.
I was on a trip a couple of years ago with a friend, and when we started driving on a cool (50 degree) morning, the rental car tire sensors flashed. She got very excited, wanted to immediately locate a tire repair shop (at 7 am) and have the matter resolved. I told her to drive on them a couple of miles at highway speed until the tires warmed up enough to raise the pressure into tolerance. Sure enough, within five minutes, everything was reading normal and remained that way.
PITTSBURGH (KDKA) – The extreme cold has been causing all sorts of problems from water main breaks to car issues.
In fact, auto repair shops have been swamped with flat tires.
And then just to make life even better, if you go to the station to fill your tires in the cold, you'll find that the air valve quickly freezes, you can't get air into the tire but it might leak back out and you really do have a flat. So when was the last time the air tank at the filling station was drained?
Lower temperatures cause air to contract, particularly the air inside tires. Also, a drop in atmospheric pressure will cause your tire gauge reading to change.
When you check the air pressure inside a tire, you're not reading absolute pressure (the difference between 0 PSI absolute and the tire's pressure). You're actually reading the difference between pressure inside the tire, and atmospheric pressure outside the tire.
So when your tire gauge reads 0, the air inside your tire is the same pressure as the air outside your tire.
Last edited by Slowpoke_TX; 02-02-2014 at 10:15 AM..
Here in MI from the cold we have pot holes that are huge and the news also stated how repair shops are seeing more business because of it.
It's like that here in Windsor too. I noticed they are also showing up much earlier, and much bigger this year.
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