I'm a bit confused, page 1

reply to post by jpm1602

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Could you please describe your confusion in more detail? Also, did you get photos of the tire? Were there witnesses perhaps? If no photos, could you please draw a picture of the tire as it appeared flat, then again as it miraculously stayed firm?

Laughing....



[edit on 2-4-2008 by LateApexer313]

reply to post by jpm1602

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Well then, that is indeed a mystery!

That or a loose valve stem cap, but that wouldn't matter since you check them frequently.

Oh well, my tire knowledge is now depleted. But I appreciate the post, since I have been neglecting my own tires now that I think about it.

Originally posted by LateApexer313
Well ok, if I have to be serious, I would imagine the reason behind it is, basic tire pressure/temperature coupled with a slow leak.

Gradually over the winter I am sure you lost air anyway, plus the cold temperatures make the tire deflate...and since it was only that tire and not the others, I would imagine it has a very VERY slow leak on top of the cold temperatures.

But I am sure you know this, being a guy.

Hello, everyone. First post. What LateApexer said it true, and also different whether conditions and outside air pressures can affect the pressure in your tires, air pressure outside equals tire pressure, basically. Then you factor in the the tires get hotter after you have driven for awhile, and this will also raise tire pressure. In my opinion, being a long time mechanic, I check mine every few days, I have a nice gauge-type one handy in my van. I have P175/75R 15 tires, and I try to maintain 37# in all. This gives me the best wear pattern, and optimum gas mileage. There have been some warning of late on tires. It seems that tires that are over 6 years old, when new, should not be used.

BRMA members strongly recommend that unused tires should not be put into service if they are over 6 years old and that all tires should be replaced 10 years from the date of their manufacture.

www.newsomelaw.com...
Here is another free tip:
When you buy tires, and have them mounted, go to a reputable tire shop, and tell the tech that you want the rims sealed, new valve stems, the shortest you can manage, and that you want them computer balanced, and then hand them your 4-way lug wrench, (if you don't have one, you need one) and tell him to tighten with that, instead of the trusty air wrench. That way if you do have a flat, you will be able to get the tire off. I also oil the threads so the lug-nuts go on easily. A good jack is the last thing to carry, sometimes the one that came in your can isn't of the finest quality. I have a 1990 Chevy G20 van, and use a 2 ton hydraulicjack from Advance Auto. ($24.95)

reply to post by autowrench

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i suspect that the last time you checked the tires that the valve did not seat properly, like a piece of dust or debris between the seal and the stem. ever so tiny and it slowly, over the length of time you last checked the pressure, leaked down through the tight valve cap of course, then after three days it was very noticable and obvious, went completely flat. so how far did you drive from your locked garage to the gas station?
then when you refilled your thie you blew the dust or debris back into the tire and it will never happen again.
I might add that there have been reports of the G2 infared remote operated pressure release deflation device being used by vandal teenage ruffians for this purpose as well. The intended use was military application to depressurize enemy vehicle tires and immbilize the vehicles.
Just my two cents. though it was probably the dust or debris on the seat/stem.

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