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post #1 of 21 Old 04-03-2009, 05:33 PM Thread Starter
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Question Questions for the Auto Techs

My 04 Tahoe LT (Z motor) was filled with nitrogen and had new tires installed. MY question is does the nitrogen throw off the TPMS? Every time i start the truck i get the message service the montering system, or somethng to that affect. Is this something i have to take to a dealer to fix or can i do it my self.



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post #2 of 21 Old 04-03-2009, 05:44 PM
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Quote:
Originally Posted by camarodb View Post
My 04 Tahoe LT (Z motor) was filled with nitrogen and had new tires installed. MY question is does the nitrogen throw off the TPMS? Every time i start the truck i get the message service the montering system, or somethng to that affect. Is this something i have to take to a dealer to fix or can i do it my self.
There's probably a reset procedure for when you change the tires, similar to the reset after every oil change where you have to depress the acceleretor 3X to start the 'oil life' counter.

I'll see what I can dig up and get back to you.

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post #3 of 21 Old 04-03-2009, 07:02 PM
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This would have nothing to do with nitrogen-filled tires.

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post #4 of 21 Old 04-03-2009, 10:35 PM
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Nitrogen is lighter, but the pressure should read the same...

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post #5 of 21 Old 04-04-2009, 09:03 AM
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From my understanding, you get free refills from the place you got the nitrogen fill from, but what if you need to put more nitrogen in your tires and you're on a road trip? Are you going to have to pay the closest "nitrogen-filling station" to put a few pumps in?

Is this new fad really worth the hassle?

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post #6 of 21 Old 04-04-2009, 09:07 AM
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Don't forget that normal "air" is almost entirely nitrogen anyhow...
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post #7 of 21 Old 04-04-2009, 06:05 PM Thread Starter
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Quote:
Originally Posted by demonspeed View Post
From my understanding, you get free refills from the place you got the nitrogen fill from, but what if you need to put more nitrogen in your tires and you're on a road trip? Are you going to have to pay the closest "nitrogen-filling station" to put a few pumps in?

Is this new fad really worth the hassle?
If i had my choice i would not have had it but the dealer would not let be get away with out it "it a mandatory thing we do" was what i was told. But from what i was told by a tire tech from tire kingdom you can just put air in and it wont affect it.



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post #8 of 21 Old 04-04-2009, 06:13 PM
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Quote:
Originally Posted by camarodb View Post
If i had my choice i would not have had it but the dealer would not let be get away with out it "it a mandatory thing we do" was what i was told. But from what i was told by a tire tech from tire kingdom you can just put air in and it wont affect it.
This is correct.
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post #9 of 21 Old 04-04-2009, 07:19 PM
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Quote:
Originally Posted by camarodb View Post
If i had my choice i would not have had it but the dealer would not let be get away with out it "it a mandatory thing we do" was what i was told. But from what i was told by a tire tech from tire kingdom you can just put air in and it wont affect it.
So, the point of putting the nitrogen in the tire in the first place would be?

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post #10 of 21 Old 04-04-2009, 07:39 PM
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Quote:
Originally Posted by demonspeed View Post
So, the point of putting the nitrogen in the tire in the first place would be?
Primarily, the objective is really either the elimination of water vapor for thermal stability purposes or the removal of an oxygen source for safety purposes, neither of which apply to the typical driver.

In a 10/10ths racing situation, knowing exactly how tire pressure will change as a function of tire temperature is sufficiently important to justify controlling the content of gas used to inflate the tires.

In aircraft, tires hold enormous quantities of gasses and effectively become oxygen sources in the event of a fire. Remember that what we generally call "fire" is typically "rapid oxydation" -- "rapid nitrogenation" is not much of a concern, you see...

There's a theoreticial advantage to filling your tires with nitrogen because it is less likely to cause degrdation of the insode of the tire or the contained surface of the wheel but this is kinda silly because the outside of the tire is exposed to "normal air" all the time! OK, so the inside might last a little longer but what does that really gain you???
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