What is the reason for my tires doing this, flat spots.

Discussion in 'Trucks [ Eighteen Wheelers ]' started by 4noReason, Oct 16, 2017.

  1. 4noReason

    4noReason Road Train Member

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    they are 1 year old. this tire is worse than other side. im talking about the flat spots.
     

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  3. buddyd157

    buddyd157 Road Train Member

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    looks like a camber problem. have the front end inspected.
     
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  4. 201

    201 Road Train Member

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    Check the wheel bearings.
     
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  5. Heavyd

    Heavyd Road Train Member

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    Why is there so much side scuff wear on the side wall of those tires? They look pretty worn/weather checked for only being a year old.
     
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  6. swaan

    swaan Road Train Member

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    Flat spots can be from a balance issue or bad shocks. Those tires are in perty bad shape for only 1 year old.. looks like a lot of curb scuffing going on there and also the rounded corners could be from hard corning or bad toe in setting. What air pressure are you running??

    All and all I would check pressures and get an alignment done and a fresh pair shocks. Most importantly stop rubbing curbs.
     
    Last edited: Oct 16, 2017
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  7. Goodysnap

    Goodysnap Road Train Member

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    These tires have been run underinflated and or the toe is off (too much toe in). Or possibly a combination of both.
     
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  8. 4noReason

    4noReason Road Train Member

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    they are 110 psi. i went prob to 90 psi lowest . i never hit a curb tho. maybe i need a new shock
     
  9. Steel Dragon

    Steel Dragon Road Train Member

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    Definitely a front end problem I doubt a shock is the only problem going on there.
     
  10. skro47

    skro47 Light Load Member

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    First I think they are rotating the wrong way. Second, from the look of the prints on the side of the tire, either they have been rubbing alot or they were stored for a loooong time. Tire looks so dry.

    I would check for shocks, bearings or kingpin.
     
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  11. buddyd157

    buddyd157 Road Train Member

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    i did not see any feathering or jagged edges on the corresponding threads to go with toe-in. they could be there, but running a hand across them would have confirmed a toe problem
     
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