steer tire wear

Discussion in 'Trucks [ Eighteen Wheelers ]' started by joecitizen, May 19, 2013.

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  1. May 19, 2013 #1
    joecitizen

    joecitizen Light Load Member

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    20130503_181855.jpg 20130503_181946.jpg
    What is this steer tire wear indicating? Alignment, Shocks, Spring Shackles & Bushings? I have, in the last two months, replaced the bearings. First picture (from left to right) is the driver side, which is obviously wearing the outer edge. The passenger side is wearing a groove on the inside, kinda hard to see with this picture. Tires are Dunlop SP384, lp24.5 @ 100 psi.
     

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    joecitizen, May 19, 2013
    joecitizen, May 19, 2013
    #1
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  3. May 19, 2013 #2
    BullDoggin

    BullDoggin Light Load Member

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    your problem is in rear axle alignment...
     
    BullDoggin, May 19, 2013
    BullDoggin, May 19, 2013
    #2
  4. May 19, 2013 #3
    MNdriver

    MNdriver Road Train Member

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    I have a 3-axle alignment scheduled for next week for the same wear.
     
    MNdriver, May 19, 2013
    MNdriver, May 19, 2013
    #3
  5. May 19, 2013 #4
    heavyhaulerss

    heavyhaulerss Road Train Member

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    I would say king pins.
     
    heavyhaulerss, May 19, 2013
    heavyhaulerss, May 19, 2013
    #4
  7. May 19, 2013 #5
    MNdriver

    MNdriver Road Train Member

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    I'd almost lean that way, but suggest both really. A good 3-axle is just as critical. In my case, I just had mine done 55,000 miles ago and showing similar wear now.
     
    MNdriver, May 19, 2013
    MNdriver, May 19, 2013
    #5
  8. May 19, 2013 #6
    2222

    2222 Bobtail Member

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    May 19, 2013
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    what kind of truck ?
     
    2222, May 19, 2013
    2222, May 19, 2013
    #6
  9. May 19, 2013 #7
    Marlin46

    Marlin46 Medium Load Member

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    More than likely a 3 axle alignment is needed. As MN said, if the funds allow have the king pins checked / replaced as well.
     
    Marlin46, May 19, 2013
    Marlin46, May 19, 2013
    #7
  10. May 19, 2013 #8
    joecitizen

    joecitizen Light Load Member

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    Mar 15, 2009
    Tucson, AZ
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    '93 FLD120.

    When I had the bearings replaced, the mechanic checked the kingpins and told me they seemed good to him. Looks like I will focus on a 3 axle alignment and go from there. The steering is not shimming or shaking. It does wander a bit, but I just figured it was the quality roads we all drive on causing that.
     
    joecitizen, May 19, 2013
    joecitizen, May 19, 2013
    #8
  11. May 19, 2013 #9
    MNdriver

    MNdriver Road Train Member

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    Double check the fasteners on your spring hangers too.

    Crazier things have been seen.
     
    MNdriver, May 19, 2013
    MNdriver, May 19, 2013
    #9
  12. May 19, 2013 #10
    x#1

    x#1 Road Train Member

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    a 53' dry box that i pull from time to time but did pull fulltime was out of alignment and caused that type wear on my steers.it was gone thru and aligned and the premature wear was eliminated on truck and trl.the wear was passenger side mainly but was working on the driver's side steer.

    it makes sense as a trl that dog legs or just out of alignment,will push the truck in a skewed fashion.i may get some argument here but the trl now pulls so smoothly(it is loaded up w/all the lightweight goodies and is superb for a dry box) and the wear on all 5 axles is normal or was up until i started pulling dumps.

    i am concerned regarding the spread axle frameless dump i'm pulling.time to have it all checked out as i have read plenty of negative stuff regarding the alignment issues on spreads.

    just sharing my personal experience from over the years-
     
    Last edited: May 19, 2013
    x#1, May 19, 2013
    x#1, May 19, 2013
    #10
    MNdriver Thanks this.
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