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Adding air to tires when cold

Discussion in 'Wheels & Tires' started by jmasterj, Jan 15, 2009.

  1. Jan 15, 2009 at 10:52 AM
    #1
    jmasterj

    jmasterj [OP] Samsonite...I was way off!

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    Probably a dumb question but should you add air to tires when it is super cold out, say -15? My truck has been sitting outside in these conditions for a few days as well. I know that rubber loses its elasticity as it gets colder. My rears are a little on the low side and my pressure sensor light is on. I guess I don't want to risk a blowout or something like that.
     
  2. Jan 15, 2009 at 11:11 AM
    #2
    81shark

    81shark Well-Known Member

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    you can add air anytime.

    remember as air temps drop, air contracts and your pressure will drop. as the temp rises, your air pressure will also rise.
     
  3. Jan 15, 2009 at 11:33 AM
    #3
    Delmarva

    Delmarva Mayor of TW

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    what he said. :thumbsup:

    -15 is pretty damn cold -- don't go crazy filling them up tho...
     
  4. Jan 15, 2009 at 11:44 AM
    #4
    jmasterj

    jmasterj [OP] Samsonite...I was way off!

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    Tell me about cold:). It is supposed to feel like -45 tonight with the wind chill.
    So right now the pressure is showing around 26ish and I usually run 32 in the rear, should I maybe put about 30 in?
     
  5. Jan 15, 2009 at 2:21 PM
    #5
    pataco

    pataco Well-Known Member

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    dang now thats cold.i wood air up to what the side wall calls for unless your tires have issues///cracks/gouges ect.i always TRY to have a long hose after the gauge so your face isnt in the tire waiting for the bang.hope that helped.stay warm,later
     
  6. Jan 17, 2009 at 1:46 AM
    #6
    darkturtleninja

    darkturtleninja 9th level dungeon master

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    you got to be careful once it warms up the pressure will increase... i normally keep around 60 to 65 psi in my procomps.... i aired them up in the garage last time i was working on it and it was around 7degrees out... then a couple days later it got up to 65 degrees and i checked them and they were around 71psi which is way too much.... just be carefull and watch the temp. if the temp spikes up let some air out!
     
  7. Jan 17, 2009 at 4:46 AM
    #7
    TicTacOma

    TicTacOma UnderWater Monopoly Champion

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    It's all in my head at the moment...
    Go take a ride, heat up the tires and see what you end up with before you add air.
     
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