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New Z Owners - Check your tire pressure

Finally got around to checking mine. 45psi all around. Will probably drop it to 40.

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Old 04-08-2009, 10:20 PM   #46 (permalink)
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Finally got around to checking mine. 45psi all around. Will probably drop it to 40.
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Old 07-08-2009, 11:23 AM   #47 (permalink)
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Hey not to bring such an old thread but I got a low pressure light a couple weeks after getting the car and after researching I read that a lot of 350 guys [350 forum] had switched to nitrogen and the problem cleared up. I went to the dealer and it cost me 23$ for life time nitrogen which was reasonable, but a couple of days ago I got another low pressure light. Although I havent had a chance to check the pressure in the last 2 days yet, I was curious if anyone else has the recurrent light issue?
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Old 07-08-2009, 12:26 PM   #48 (permalink)
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Originally Posted by texmedic View Post
Hey not to bring such an old thread but I got a low pressure light a couple weeks after getting the car and after researching I read that a lot of 350 guys [350 forum] had switched to nitrogen and the problem cleared up. I went to the dealer and it cost me 23$ for life time nitrogen which was reasonable, but a couple of days ago I got another low pressure light. Although I havent had a chance to check the pressure in the last 2 days yet, I was curious if anyone else has the recurrent light issue?

Ummmmm...Did you ever think you might have a leak? Nitrogen is not a cure for anything. Look for a Nail...You've got one in the tire somewhere..
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Old 07-08-2009, 12:41 PM   #49 (permalink)
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I checked for nails when i switched to the nitrogen, but not since the new light coming on. thats a good call though!
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Old 07-08-2009, 01:05 PM   #50 (permalink)
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FYI the big sell of nitrogen is safety related.
Mainly because it reduces the chance of driving on tires with dangerously low pressure.
Nitrogen molecules are much larger than oxygen, and cannot "seep" out through the tire rubber like oxygen does. SO... the tires stay properly inflated for much longer/indefinitely...

It may also be less affected by tire heating, but seepage is the main reason it gets "pumped" so much.
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Old 07-08-2009, 01:32 PM   #51 (permalink)
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that was what I had read about the nitrogen. I wouldnt have thought about it except someone on a 350 forum I believe had written about similar issues and the switch had apparently cured it. I have noticed a little better mileage though. I gave the tires another once over for nails just in case { i thought checking the tires for nails and the like was sorta a given} and right now I'm working and dont have my guage with. I'll check the pressure tomorrow once I get home.

Last edited by texmedic; 07-08-2009 at 01:35 PM.
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Old 07-08-2009, 02:27 PM   #52 (permalink)
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Originally Posted by MC@MYGTR View Post
tires are usually over inflated during overseas shipping to help reduce the cars moving while on the boats
What, do they float the cars over?

Sorry, that don't make sense to me!
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Old 07-08-2009, 02:34 PM   #53 (permalink)
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Originally Posted by ssqpolo View Post
no not at all. if it was super over inflated then u will see uneven wear in the tire, plus run the risk of blowing out.
Actually, overpressure tends to not blow a tire - it runs cooler...

Underpressure heats them up more, weakening the tire, eventually causing a failure.

At least, that's the motorcycle knowledge speaking.

My bike recommends 35psi. I run 40. Tires wear longer...in my case.
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Old 07-08-2009, 07:25 PM   #54 (permalink)
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The over pressurization of the tires for overseas shipping and until sold is to reduce the formation of flat spots since the cars sit for a longer than normal time periods.
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Old 07-09-2009, 10:03 AM   #55 (permalink)
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I checked mine last night - 37psi.

The sidewall states not to go over 40psi for setting the bead, but lists max pressure for max load at 51psi.

That seems to imply to me that you guys who were in the 40's were OK.
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Old 07-09-2009, 11:41 AM   #56 (permalink)
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I think the max PSI for the Bridgestone Potenza re050a (sport package tires) is over 50psi. I want to say it is either 51 or 55 psi.
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Old 07-09-2009, 09:00 PM   #57 (permalink)
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Why are you guys trippin'? The tires are rated for 51psi, ie you can drive them for their entire 25,000 mile life expectancy with no harm to the carcass. Nissan, like any other rational person says use 35 psi to improve contact patch deformation and therefore traction.

Coming from the factory, the last thing you want to do is put 30 psi in it, then have a slow leak and have 50 cars with flat tires to deal with with when you're trying to unload 5,000 cars off of a ship in an 8 hour window.
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Old 08-18-2014, 11:19 PM   #58 (permalink)
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Came across this and wanted to bump it current. My son bought a car in Vegas, was shipped from California, PSI was something crazy like 50 or 60.

Check that pressure!
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Old 08-18-2014, 11:27 PM   #59 (permalink)
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My tire pressure was super low when I purchased it... TPMS light was on. The dealer was under the impression that the system just needed to be reset, nope. Thankfully that was a quick fix.
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