| flat tire (a head scratcher) I checked all 4 tires on Saturday and all were good. (35 - 36 PSI). The previous check was a couple weeks earlier, and I believe they were around 36 - 37 at that time. Fast forward to Tuesday 2 PM when I noticed that the front passenger tire was very low -- 12 psi. Pumped it up 39 and went home. Next morning it was at 30.5, so pumped it up to 35 and went to work. Checking it at least twice daily ever since, and it appears to be stable now. 
That's a studded snow tire with its own wheel off from craigslist, and it's on its 2nd season with me, so it's definitely not new and will be replaced (wheel too) in the not too distant future after my next offroading trip, but I would still like to know and understand what could've been happening.
Initially, I thought I got nailed, but I'm not so sure now.
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Wacky Races 2012! |
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hurfyPremium
join:2002-08-06
Spokane, WA | bad seal on bead Remount the tire?
May depend on where the bad seal is on bead when parked. Mine seemed to randomly lose air or not also. I swear the local place had a bad batch of goo they use to mount tires, 2 cars had same issue. |
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rfnutPremium
join:2002-04-27
Fisher, IL | reply to aurgathor
Re: flat tire (a head scratcher) Valve stem did not seat properly. Checking it created the leak. Adding air the second time fixed it. |
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BobAccount deleted
join:2012-07-22
New Jersey | reply to aurgathor
Do you put the valve stem cap on tight? |
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 TA63ST215WPremium,MVM
join:2000-11-23
there
kudos:2 | reply to aurgathor
Easy. There is a leak.
Anyone who works on tires should be able to find it.
Diagnosis via the internet is lololol.
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The talented hawk speaks French. |
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 beckPremium,MVM
join:2002-01-29
On The Road
kudos:1 | reply to aurgathor
I vote valve stem. |
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| reply to aurgathor
It's very obvious that there was a leak, but I'm not sure if there's still one. In any case, I'll be checking pressures at least once a day.
After reading the replies, I'm thinking maybe a grain of dirt could've gotten into the valve stem and caused the leak. Later it got dislodged, and that's why it appears to be fine now.
If it still leaks, I can use my bath tub for diagnosis. 
As for preventing this in the future, since I need to get some new tires, I'm thinking about getting an aftermarket TPMS. Anyone had an experience with an aftermarket system such as this: »www.amazon.com/Orange-Electronic···02DYH586
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Wacky Races 2012! |
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| reply to aurgathor
Sounds like a rim leak to me, depending on what part of the tire is hitting the ground it may leak or not, sometimes it can take days to get low, sometimes it is over-night, the only way to fix it is to have the tire reseated. |
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 neonhomerKK4BFNPremium
join:2004-01-27
Edgewater, FL | reply to aurgathor
I have a tire on my Jeep that will do something like that. If it sits longer than a week or so, it will slowly go flat. But if you drive it every day, it will hold the air.
I think the bead has a leak, or maybe an imperfection from mounting... I did mount these tires myself using tire spoons. Used dishwashing liquid and water to lube the bead before mounting. |
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 Doctor OldsI Need A Remedy For What's Ailing Me.Premium,VIP
join:2001-04-19
1970 442 W30
kudos:18 | reply to TA63
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BobAccount deleted
join:2012-07-22
New Jersey | Spray bottle with soapy water can be easier to use. |
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Doctor OldsI Need A Remedy For What's Ailing Me.Premium,VIP
join:2001-04-19
1970 442 W30
kudos:18 | said by Bob:Spray bottle with soapy water can be easier to use.
It can be for some, but for others it can be confusing...
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What’s the point of owning a supercar if you can’t scare yourself stupid from time to time? |
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| reply to JustBurnt
said by JustBurnt :Sounds like a rim leak to me, depending on what part of the tire is hitting the ground it may leak or not, sometimes it can take days to get low, sometimes it is over-night, the only way to fix it is to have the tire reseated.
I'd expect a rim leak to be more or less constant.
In any case it is a generic, cheap snow tire wheel that will probably have to be discarded (or repainted) once the tire is taken off, due to rust.
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Wacky Races 2012! |
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 SnakeoilIgnore Button. The coward's feature.Premium
join:2000-08-05
Mentor, OH
kudos:1
 ·RoadRunner Cable
 ·magicjack.com
| reply to aurgathor
Our tires had slow leaks on the mini van. After being looked at by a repair shop, it was determined that the rim lip had deteriorated, and was allowing air to leak out. The rims were the aluminum alloy type. In GA, they were fine, but it seems that up in Ohio, they didn't react well with salt. We have since replaced the rims with steel one, and the tires stay inflated.
Now my truck has started developing similar leaks as the old van wheels. Add to the salt, potholes, and it's a recipe for all sorts of problems.
I hate the heat of GA, but I will admit, the roads down there were gentler on a vehicle.
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Is a person a failure for doing nothing? Or is he a failure for trying, and not succeeding at what he is attempting to do? What did you fail at today?. |
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 shdesignsPowered By Infinite Improbabilty DrivePremium
join:2000-12-01
Stone Mountain, GA | My Jeep had issues with leaking bead seals. Was intermittent and worse when cold. The aluminum rims oxidize and make it hard to seal.
When I got the last set of tires, I had them wire brush the bead area and use bead sealer. Since then I have had no problems.
Have seen valve stems leak and also the Schrader valve work its way loose. Often tightening the valve is all they need.
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Scott Henion
Embedded Systems Consultant,
SHDesigns home - DIY Welder |
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| reply to Doctor Olds
said by Doctor Olds:said by Bob:Spray bottle with soapy water can be easier to use.
It can be for some, but for others it can be confusing... Just curious but does it take a "special" person to find the bubbles? And yes I know there's bubbles when you spray the soap on the tire, but let's face it, it doesn't take a rocket scientist to find the bubbles that are getting bigger. |
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Doctor OldsI Need A Remedy For What's Ailing Me.Premium,VIP
join:2001-04-19
1970 442 W30
kudos:18 | said by gillespie:said by Doctor Olds:said by Bob:Spray bottle with soapy water can be easier to use.
It can be for some, but for others it can be confusing... Just curious but does it take a "special" person to find the bubbles? And yes I know there's bubbles when you spray the soap on the tire, but let's face it, it doesn't take a rocket scientist to find the bubbles that are getting bigger. Not everyone is mechanically inclined. I have seen several tires over the years that the owners tried to find a leak with soapy spray and couldn't.
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What’s the point of owning a supercar if you can’t scare yourself stupid from time to time? |
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SnakeoilIgnore Button. The coward's feature.Premium
join:2000-08-05
Mentor, OH
kudos:1 Reviews:
·RoadRunner Cable
·magicjack.com
| reply to shdesigns
said by shdesigns:My Jeep had issues with leaking bead seals. Was intermittent and worse when cold. The aluminum rims oxidize and make it hard to seal.
When I got the last set of tires, I had them wire brush the bead area and use bead sealer. Since then I have had no problems.
Have seen valve stems leak and also the Schrader valve work its way loose. Often tightening the valve is all they need.
The shop I deal with, has said it was the well beads. They typically clean the bead, put a sealer on the rim, and put the tire back on. They haven't charged us for doing that as of yet.
And they were doing it about 4 to 8 times a year for the van. Then we got steel wheels for it. Now my pick up truck is starting to do the same thing, so we may get steel wheels for it. The truck is only 8 years old. The van is 14 years old, and we are looking for a new vehicle this year.
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Is a person a failure for doing nothing? Or is he a failure for trying, and not succeeding at what he is attempting to do? What did you fail at today?. |
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dogo88
join:2001-09-24
Old Bridge, NJ | reply to aurgathor
It's a nail. |
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KearnstdElf WizardPremium
join:2002-01-22
Mullica Hill, NJ | reply to Bob
said by Bob:Spray bottle with soapy water can be easier to use.
I was thinking that, I know that is one of the ways plumbers check for leaks when pressure testing gas lines.
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[65 Arcanist]Filan(High Elf) Zone: Broadband Reports |
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