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Green valve stem caps

Discussion in 'Wheels & Tires' started by TacoDawgfan, Mar 6, 2011.

  1. Mar 6, 2011 at 5:38 PM
    #1
    TacoDawgfan

    TacoDawgfan [OP] Hunker Down You Hairy Dawg!

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    Is there a reason for the green valve stem caps? Mine came with lime green caps. Was going to buy some new caps for it, but didn't know if they were supposed to serve some kind of purpose, maybe with the TPMS? Looks like a normal cap to me. Do others have this?
     
  2. Mar 6, 2011 at 5:39 PM
    #2
    06BLUEDBLSPORT

    06BLUEDBLSPORT Well-Known Member

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    Nitrogen filled tires
     
  3. Mar 6, 2011 at 5:39 PM
    #3
    Max-4_Yota

    Max-4_Yota The Welfare Cadilac

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    Nitrogen filled tires
     
  4. Mar 6, 2011 at 5:40 PM
    #4
    El Tano

    El Tano i am the one who knocks

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  5. Mar 6, 2011 at 5:42 PM
    #5
    TacoDawgfan

    TacoDawgfan [OP] Hunker Down You Hairy Dawg!

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    Thanx. So is that a general code for the nitrogen? Just wondering if I should leave them on.
     
  6. Mar 6, 2011 at 5:45 PM
    #6
    Max-4_Yota

    Max-4_Yota The Welfare Cadilac

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    Its not going to hurt anything to change them, its just so noone will add air instead of nitrogen.
     
  7. Mar 6, 2011 at 5:52 PM
    #7
    MurphMan

    MurphMan Senility Rocks!

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    Yes, leave them on. You ever leave the truck anywhere for service and some kid thinks he's doing you a favor by topping off the tires, the green caps will tell him not to use air.
     
  8. Mar 6, 2011 at 6:17 PM
    #8
    jpmorrisvb

    jpmorrisvb Well-Known Member

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    I didn't know that .... sooooo, what happens when I add air?
     
  9. Mar 6, 2011 at 6:31 PM
    #9
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    It inflates the tires.
     
  10. Mar 6, 2011 at 6:38 PM
    #10
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Had tons on the Taco's.... new truck is pretty stock
    ya nitrogen in the tires. But the normal air is mostly nitrogen so there really isnt much benefit to it from what ive heard.
     
  11. Mar 6, 2011 at 6:40 PM
    #11
    Detective_Dan

    Detective_Dan Bam-Ba-Lam

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    lol
     
  12. Mar 6, 2011 at 6:41 PM
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    crf69

    crf69 scraping my emblems off my plasti-dip

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    ummm yeah
    stock valve caps almost ruined a tire of mine last week......i aired up and did not notice that they had shrader valve alignment guides on the inside.....i was one minute from trashing a tire.....i love TPMS!!!!!!!!!!!!!!!!!!!!!!!!!
     
  13. Mar 6, 2011 at 6:59 PM
    #13
    jpmorrisvb

    jpmorrisvb Well-Known Member

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    You're a smart ass ... but funny .... I guess thats what 63,000 plus posts get us ...... :cool:
     
  14. Mar 6, 2011 at 7:02 PM
    #14
    crf69

    crf69 scraping my emblems off my plasti-dip

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    ummm yeah
    damn.....63,000
    i dont have that between supermotojunkie,thumpertalk,1000rr.net,bannedcr500riders,garinzumoforums,droidforums.net,toyota nation,tacomaworld,nissanforums


    but im not hatin at all....im actually jelous haha!
     
  15. Mar 6, 2011 at 7:16 PM
    #15
    moe1967

    moe1967 Well-Known Member

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    Regular air (which is roughly 70% nitrogen IIRC) expands and contracts more than pure nitrogen. I have an 04 4Runner with regular air and the tire pressure light thingy comes on every winter. My 10' Tacoma came with nitrogen filled tires and has yet have the light come on. Other than that, its all the same, meaning there are no other advantages.

    Dealer told me that you can add regular air if need be. But that I can always have the tired refilled with nitrogen free of charged for the life of the vehicle. Too bad that dealership is about 70 miles away:rolleyes:
     
  16. Mar 6, 2011 at 7:27 PM
    #16
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    One thing people fail to think about when having "Pure Nitrogen" put in their tires, is, Unless the tire is seated on the rim submersed in a pure nitrogen environment, then there is still AIR in the tire! :eek: The propper way to fill the tire with nitrogen, is to repetedly fill and purge. Even then, there is STILL gonna be "regular air" in the tire. Being as Nitrogen is less likely to migrate thru the rubber than O2, one can speculate if you have your tires on your vehicle long enough, as the O2 migrates out, its leaving behind Nitrogen....So....After a period of time, Your tires will be filled with 100% nitrogen.......
     
  17. Mar 7, 2011 at 4:21 AM
    #17
    KPT

    KPT sees what you did there.

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    Do not do this! Don't you know that nitrogen explodes when added to air?!





























    :D
     
  18. Mar 7, 2011 at 9:14 AM
    #18
    David K

    David K Well-Known Member

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    Even more...

    Dry air contains roughly (by volume) 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases.
     
  19. Mar 7, 2011 at 1:46 PM
    #19
    Erll

    Erll Well-Known Member

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    But it should be OK to add air to the nitrogen, just don't do it too quickly.:eek:
     
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