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Old 11-11-2010, 09:21 AM   #1
BS87
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Default losing 3-6psi every 48 hours..

So i just put on my new set of Altimax Arctics for the winter, on my winter wheel setup. The wheels previously held air just fine. However, one of them now slowly leaks about 3 to 6 psi over the course of 2 days. I have replaced the valve core, and it still seems to leak. Does this sound like a bad valve stem? a bad seal on the bead? I'd like to think it's not just a hole in a brand new tire! I would also think a hole in the rubber would leak more air than that. What do you guys think is the best way to find the leak? Submerge it? Soapy water rubbed on?

Also, the leak isn't from driving over something. I had the tries mounted, and then installed them a few weeks later. By the time i got around to installing them, this tire was practically flat (thought the shop just didn't fill it).
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Old 11-11-2010, 09:33 AM   #2
06njsti
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you my friend more then likely have a flat, your best bet would be to get the tire off and squirt it down with some soap and plug the hole.
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Old 11-11-2010, 12:50 PM   #3
BS87
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Well if it is the tire, I'm not going to plug a brand new tire, I'd just have it replaced by the manufacturer.
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Old 11-11-2010, 01:20 PM   #4
Big-E
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Tire tank to test.

Could be as you said: valve stem; bead-seal; hole in tire.

Take it in for a look.
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Old 11-11-2010, 03:02 PM   #5
wakeboard_dude5
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take it off, air it up to around 40 ish, spray down with simple green around the bead while its laying on the ground. After a few minutes if no bubble appear flip and repeat. IF you still can't find something lower the pressure and do it again. I've seen tires hold just fine at high PSI but start loosing it around 28ish. Could be gunk around the bead from previous tires or corrosion in there.
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Old 11-15-2010, 11:19 AM   #6
rexster
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Quote:
Originally Posted by BS87 View Post
So i just put on my new set of Altimax Arctics for the winter, on my winter wheel setup. The wheels previously held air just fine. However, one of them now slowly leaks about 3 to 6 psi over the course of 2 days. I have replaced the valve core, and it still seems to leak. Does this sound like a bad valve stem? a bad seal on the bead? I'd like to think it's not just a hole in a brand new tire! I would also think a hole in the rubber would leak more air than that. What do you guys think is the best way to find the leak? Submerge it? Soapy water rubbed on?

Also, the leak isn't from driving over something. I had the tries mounted, and then installed them a few weeks later. By the time i got around to installing them, this tire was practically flat (thought the shop just didn't fill it).
The soapy water trick works great. I had a similar problem, brand new tires, slow leak. Put some soapy water around the base of the valve stem and watched as it slowly bubbled. If you don't see anything at the base of the stem, take the wheel off, lay it flat on the ground and put the soapy water around the tire bead.

Of course, you could also take it back to the shop and have them do it for you.
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Old 11-15-2010, 04:28 PM   #7
GrimmSpeed
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Where did you have them installed at? I would just bring them back and have the installer find the leak. Your wheels should have been brushed clean where the bead meets to insure a proper seal but some people get lazy and skip that step. It's pretty rare to have a faulty tired but it does happen.

Mike
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