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Dumb Question about Tire Pressure

Discussion in 'Wheels & Tires' started by RBaptist, Dec 23, 2008.

  1. Dec 23, 2008 at 12:05 PM
    #1
    RBaptist

    RBaptist [OP] Well-Known Member

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    The tires on my Tacoma say MAX Pressure 51 PSI. Is this the cold pressure that I am supposed to keep them inflated to? Or is something like 42PSI a good balance between hot and cold running conditions and load factor?

    As a side... 51 PSI sounded really high to me....I had the tires rotated and balanced a month ago and supposedly they checked the pressure. When I checked it today they were at 30PSI. I caught it because my pressure light came on (it was the spare).

    Anyway....I know it is a simple question...I just wanted to check.
     
  2. Dec 23, 2008 at 12:08 PM
    #2
    TRD4x4858

    TRD4x4858 Taco Traitor!

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    Theres a sticker either on the driver door or on the b-pillar, open your dorr and look for it, It tells you what your tires should be inflated too, the psi on the tire itself is the tire manufacturer's max pressure for that tire
     
  3. Dec 23, 2008 at 11:44 PM
    #3
    humanoid

    humanoid bite me

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    Never ever air up your tires to the max pressure, you're just asking for a blowout on the highway. Agreed with the above statement, look at the driver's door jamb and there should be a sticker telling you how many PSI is recommended.
     
  4. Dec 24, 2008 at 3:25 AM
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    Janster

    Janster Old & Forgetful

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    Never go by the max pressure listed on the tire..... that's for the TIRE only and what it can handle.

    Each vehicle has its own tire pressure recommendation - and that's based on a lot of variables of that paticular vehicle. Not only that - but you want even tire wear. I have an 07 Access Cab TRD Sport and my door jam says 29psi and I'm probably running closer to 33-34lbs.

    If you ran your tires too high - your tires would wear out in the center a lot faster and your kidneys would need replaced.
     
  5. Dec 24, 2008 at 5:15 AM
    #5
    RBaptist

    RBaptist [OP] Well-Known Member

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    Thanks all.
    I figured that would be too high. I just wasn't sure if the sticker in the door only applied to a factory set. I am currently running at 34.

    Merry Christmas!
     
  6. Dec 24, 2008 at 5:26 AM
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    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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  7. Dec 24, 2008 at 5:29 AM
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    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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  8. Dec 24, 2008 at 5:36 AM
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    hillbillynwv

    hillbillynwv Well-Known Member

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    If you have the 265/70/R16 tires, front tires are 29 psi and the rear are 32 psi.
     
  9. Dec 24, 2008 at 5:49 AM
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    Janster

    Janster Old & Forgetful

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    :thumbsup:

    When you guys change tires sizes & rim widths, the tire pressure changes also.

    Say for instance - you have a 33x12.50 on an 8" wide rim versus that same tire size on a 10" rim, the tire pressure will be different between the two.
    That's why the chalk test is a good way to determine what pressure you need for even tire wear.
     
  10. Dec 29, 2008 at 10:01 AM
    #10
    jrsmokestacks

    jrsmokestacks Well-Known Member

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    Depends on the weight your carrying. I frequently run 51psi in the rear. Your tires will NEVER blow out from running max psi, The lower the psi the higher the heat buildup in the tire and heat is what blows out tires.
     
  11. Dec 29, 2008 at 10:08 AM
    #11
    klown

    klown Tacoma World Ring Leader

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    I just put 30 psi, side of the door says 29, but I add 1 psi for slightly (not even noticeable) fuel mileage.
     
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