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Tire pressure @ 40psi from dealer?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Thighmaster, Apr 21, 2012.

  1. Apr 21, 2012 at 12:00 PM
    #1
    Thighmaster

    Thighmaster [OP] Well-Known Member

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    My manual says tire pressures should be 29 psi front, 32 rear... why did the dealership put 40 psi in all four?
     
  2. Apr 21, 2012 at 12:15 PM
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    TrdSurgie

    TrdSurgie revised

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    Cuz they're tards.
     
  3. Apr 21, 2012 at 12:16 PM
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    BMOC

    BMOC Well-Known Member

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    Cuz they're tards.
     
  4. Apr 21, 2012 at 12:18 PM
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    TrdSurgie

    TrdSurgie revised

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    Jinks! Lulz
     
  5. Apr 21, 2012 at 12:21 PM
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    BMOC

    BMOC Well-Known Member

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    :D
     
  6. Apr 21, 2012 at 12:22 PM
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    Taco Libre

    Taco Libre Well-Known Member

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    i see your from colorado... so based on my experiences with the low-pressure warning light going on and off all winter due to the cold temps, i bet they just over-pressured them.
     
  7. Apr 21, 2012 at 12:23 PM
    #7
    river rat 69

    river rat 69 Well-Known Member

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    NO Chrome,3" NFab's steps,TRD skid,Wet okie's.011 grill, k&n,5100's,All this comes right off when the old lady says let's go get a NEW ONE!!!
    I run 34 in my mich. ltx's
     
  8. Apr 21, 2012 at 12:23 PM
    #8
    MountainEarth

    MountainEarth Well-Known Member

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    I run 40psi. 29/32 might be nice for the ride, but 40 gets me better mpgs.
     
  9. Apr 21, 2012 at 12:28 PM
    #9
    TnRedNeck721

    TnRedNeck721 GO VOLS!

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    chris 4x4 says 34/32 is best.

    idk why you would have 29 in the front more weigh at all times unless you are towing or hauling. but idk anyone that towns hauls EVERY WHERE they go.
     
  10. Apr 21, 2012 at 12:36 PM
    #10
    MountainEarth

    MountainEarth Well-Known Member

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    The factory recommendation is based on a compromise between ride comfort, gas mileage, and handling. I suspect that 29 in front is all about cush. Way too low in my opinion.
     
  11. Apr 21, 2012 at 6:46 PM
    #11
    Rich91710

    Rich91710 Well-Known Member

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    Never had it happen and I've been running at or near the sidewall inflation levels for 20 years.

    If sidewall max is under 50psi, I run sidewall max.
     
  12. Apr 21, 2012 at 7:01 PM
    #12
    Rich91710

    Rich91710 Well-Known Member

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    Couldn't tell you on the Taco because I jacked them up on the way home from the dealer, but I average 24.5 to 26.5, rolling from Chino to Burbank 5am and 3:30pm.

    But I got 60k out of a set of 40k cheapies in my '91 Escort, and at 35k on my '06 Duramax 4x4 my BFG K/O's had less than 1/16th compared to the new tire that I got when one got punctured.

    Also, wet traction. People mistakenly believe that a "hard" tire has poor wet traction. The opposite is true. Navy tests show that pressure is directly proportional to the speed at which hydroplaning happens.
    At 28psi that speed is a little below 60mph. At 35psi that moves up to closer to 70.
     
  13. Apr 21, 2012 at 7:07 PM
    #13
    jpmorrisvb

    jpmorrisvb Well-Known Member

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    In the "old days" the dealerships would run lower psi to allow for a smoother ride when you went for that all important test drive.

    Smoother ride = greater sales.
     
  14. Apr 21, 2012 at 7:35 PM
    #14
    Rich91710

    Rich91710 Well-Known Member

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    And like Jiffy Lube pushing 3,000 mile oil changes, the tire manufacturers and dealers like it because it pads tire sales even though it is just like the 3000 mile oil change... it's a waste of natural resources.

    But the difference is that, other than the waste of resources and money, there is no down-side to 3000 mile oil changes, but there are a number of down-sides to running lower inflation levels from both an economic and safety standpoint.
     
  15. Apr 21, 2012 at 8:40 PM
    #15
    Ga tacoguy

    Ga tacoguy Well-Known Member

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    :) How accurate is your tire gauge ? Were the tires cold when you measured the air pressure ? If it a quality gauge, then reduce your tire pressure to the stock settings and reset your TPMS.
    Running at a higher pressure will cause the center tread to wear excessively.
    It is your truck and you can run what you want to run. My tires were not equal or at the correct air pressure also. Two of my tires were higher by 4 Pds. and two were low by 2 Pds. Things happen.
     
  16. Apr 21, 2012 at 11:07 PM
    #16
    Lonewolf

    Lonewolf Well-Known Member

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    I run 40 all the way around on BFG All Terrains.
    Got 35K on the odometer plus 15K towed behind my Class A Motor Home.
    Total of 50K still have plenty of tread, no uneven wear, the trick is 5K rotation.
     
  17. Apr 22, 2012 at 1:36 AM
    #17
    Thighmaster

    Thighmaster [OP] Well-Known Member

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    Measurements were taken cold with an above average gauge that is within one PSI of two other gauges. I consider it
    an accurate enough gauge.
     
  18. Apr 22, 2012 at 1:50 AM
    #18
    YikoHama

    YikoHama I Do Not G.A.S.

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    After I bought my truck, I checked and they were 28/28. I usually keep 2+/1+ over recommended PSI. Nice to know that they like to recommend this and that for the longevity of your truck, but they never bother to to do their own QC.
     
  19. Apr 22, 2012 at 3:10 AM
    #19
    Joe D

    Joe D Sausage King

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    Are you talking about a new delivery or was it at the dealer for service?

    When I worked at a Toyota dealership (years ago) the tires where all pumped up during the delivery process. Part of the pre delivery inspection (PDI) we to adjust the pressure spec. Maybe they still do it and maybe your inpsection wasn't done.
     
  20. Apr 22, 2012 at 10:04 AM
    #20
    Thighmaster

    Thighmaster [OP] Well-Known Member

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    ^ ^ It was a new delivery.
     
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