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2005-2010 Mustang GT Tech Forum

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Unread 01-01-2009   #1 (permalink)
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Default Tire Pressure sensors and Nitrogen?

I was out this morning, it's freezing here in NJ. The damn low pressure alarm and light came on also. Every so often it comes on when it does get cold. I fill the tires back up and everything is fine.
Has anyone tried to fill their tires with nitrogen? Does this help at all?
It just drives me crazy all the time when the low pressure lights come on. Thanks for the info.
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Unread 01-01-2009   #2 (permalink)
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Nitrogen molecules are bigger so tires filled with them tend to lose pressure slower.
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Unread 01-01-2009   #3 (permalink)
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Nitrogen will also not vary in pressure over a wider range of temperatures than plain old air.

Frank
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Unread 01-01-2009   #4 (permalink)
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Nitrogen will also not vary in pressure over a wider range of temperatures than plain old air.

Frank
And it doesn't contribute to oxidation!
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Unread 01-01-2009   #5 (permalink)
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So go rite out and get them filled up. :hihi: Well tomorrow. Keep in mind that you will need to refill them with nitrogen to keep that slower rate of loss.
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Unread 01-01-2009   #6 (permalink)
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So go rite out and get them filled up. :hihi: Well tomorrow. Keep in mind that you will need to refill them with nitrogen to keep that slower rate of loss.
So how do you go about getting them filled the first time? Do they have to purge all the plain air first??
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Unread 01-01-2009   #7 (permalink)
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So how do you go about getting them filled the first time? Do they have to purge all the plain air first??
Yes they should. Our acft tires come with nitrogen at 50psi and after we install them they go to 185psi. But we can use up to 15% air if no nitrogen is availiable. But then when we get home we need to drain and refill.
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Unread 01-01-2009   #8 (permalink)
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Yes they should. Our acft tires come with nitrogen at 50psi and after we install them they go to 185psi. But we can use up to 15% air if no nitrogen is availiable. But then when we get home we need to drain and refill.
So I'm guessing that the tires would need to come off the car to do this?
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Unread 01-01-2009   #9 (permalink)
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So I'm guessing that the tires would need to come off the car to do this?
no, just jacked up so you don't put the full weight of the car on your empty tire as that could damage the wheel.
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Unread 01-01-2009   #10 (permalink)
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So I'm guessing that the tires would need to come off the car to do this?
Na. I would just put a jack under them and deflate and refill them 3 times. I think that should do it.
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Unread 01-01-2009   #11 (permalink)
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^^^ apparently great minds think alike.
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Unread 01-01-2009   #12 (permalink)
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Mine did the same thing last night while i was in nj. I hate tpms...
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Unread 01-01-2009   #13 (permalink)
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Mine did the same thing last night while i was in nj. I hate tpms...
If you guys keep you tires up where they are suppose to be you wouldn't have that problem.........

J/K
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Unread 01-01-2009   #14 (permalink)
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Yea but they hook up better 5 pounds lower lol jk. 5 degrees last night didnt help any.
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Unread 01-01-2009   #15 (permalink)
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Quote:
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5 degrees last night didnt help any.
That will do it. especially If your running DRs
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