Hot Steer Tires

Discussion in 'Trucks [ Eighteen Wheelers ]' started by razor1983, Aug 12, 2020.

  1. razor1983

    razor1983 Medium Load Member

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    I put on a new set of steer tires and they seem to be getting too hot. Cold pressure is 105, hot 120. It is hot outside in the southwest but the tires and rims are so hot you can barely touch them without burning your hand.

    The wheel hubs and break drums are relatively cool. And the rest of the tires are not nearly as hot.

    How hot is too hot? Maybe they’re flexing too much, should I set em at 110 cold?
     
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  3. okiedokie

    okiedokie Road Train Member

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    If you can't touch them. There's a problem.
     
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  4. mpd240

    mpd240 Road Train Member

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    Temp check them with inferred thermometer.
     
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  5. mpd240

    mpd240 Road Train Member

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    6A01178C-DCC2-4BD5-9CE1-50263A53B492.png Then check temp against other tires. If they still seem to high call the dealer.
     
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  6. benjamin260_6

    benjamin260_6 Medium Load Member

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    110psi at least. What did the old ones look like? If the alignment is off it can cause the tires to heat up quite a bit.
     
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  7. Goodysnap

    Goodysnap Road Train Member

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    Tires will get hot with friction. Just a nature of physics. The more friction, the more heat is generated. Have you ever set your hand on a tire thats set out in the sun all day? They get hot and they can take it. JMO

    Check the temps with a gun if you want.

    Always inflate tires cold. Check tire pressures hot is not accurate and pressures may exceed specs on the tire sidewall.
     
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  8. razor1983

    razor1983 Medium Load Member

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    I’ll get a temp gun and keep checking em
     
  9. razor1983

    razor1983 Medium Load Member

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    According to the internet normal temperature for running tire is ambient temp + 50F . At 250F tire structure starts failing
     
  10. Powder Joints

    Powder Joints Subjective Prognosticator

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    I run mostly desert, this time of year middle of the afternoon, 107 degrees air temp, road temp where your tires live is a lot hotter, so yes they very well maybe to hot to touch, the hub should not be nearly as hot, but where the rubber meets the road, you could cook an egg on them, can you touch a pan on the stove when you can cook on it. Probably not.
     
  11. uncleal13

    uncleal13 Road Train Member

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    Never worry about tire pressure when hot. All tire pressure specifications are cold pressure, (eg. in the morning after having all night to cool).
    105 psi may be a little low depending on the tire and load. See what the recommended tire pressure at what loaded weight is stamped on the sidewall.
     
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