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Thread: Very strange tire damage (one front tire)

  1. #1
    Member Cobra's Avatar
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    Very strange tire damage (one front tire)

    Hi

    This sunday i had a flat tire, i tought it was a screw or a nail, as i was backing up with the wheel turned out so my friends could look for screws or nails they called me out to look at the tire, the inner shoulder was to the cord and beoynd, it was totally gone!

    Fortunatelly i was able to borrow two wheels from my fríend Roger so i could get home.

    I tought something may have run loose and was shaving the tire.

    Today i went down to my local mecanic and eleveted the car for inspection from underneath, no signs what so ever on any
    contact at all with anything in the wheelwell or nearby, not the lower support arm, not the swaybar, no nothing.

    There are absolutely no play what so ever in any bushings or tie rod ends or wheelbearing, every thing is Mercedes tight.

    We measured the distance between the tires on the frontside and the backside of the front tires to determine if there was a exessive toe out or toe in, but this very unscientific way did not gave any answer.

    The size of the tires are 255" / 35x 19", the rims are Brabus 19" x 9,5" with 10 mm spacer at front and the brand of the tires is Nokian Z line, this is at least the third set of Nokians a have used and i have not had any problems at all before, i have orderd two new Nokians
    to be delivered at friday.

    Tomorrow i am going to try to get a wheel aligment but i do not think it is out by much if at all.

    Does anyone have a clue?

    The left front tire is totally alright with a mild wear pattern as expected.

    Could it be a factory defect tire?

    I will take the protocol from the wheelalignment and send to Nokia if there are no obvius errors in the alignements.

    BR
    Totte
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  3. #2
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    Re: Very strange tire damage

    Looks like an alignment issue to me. A combination of toe-out and negative camber.
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  5. #3
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    Re: Very strange tire damage

    Hi

    Yes, that was my first tought to, but the car was passing the Swedish car inspection just about 2500 kilometers ago, and the inspector, me and my brother
    was standing and looking on the car from underneath and there was no sign of tread worn.

    We will get the answer from the alignment, i hope.

    BR
    Totte
    W124.036 1995

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    Re: Very strange tire damage

    Excessive toe-out can shred the inner edge of tires... same for excess negative camber. But it would take a lot to cause that, and it's odd to only affect one side.

    Make sure to get the before & after alignment numbers.


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    Re: Very strange tire damage

    Yeah, Nokia tires will not stand up to ANY out of spec alignment under the road force of these cars. Actually, nothing will. Klink's "chassis development" comment comes to mind. These heavy performance Benzes were chassis spec'd to perfection, just so tire wear points directly to the problem. If they don't track perfectly, the tires will be the first to show it. The Michelin Pilot Sport AS on my 55 learned me that lesson. IIRC, my guys had to put some camber adjustment kit on to fix it. I'd have to check my records to be sure, but subsequent rear sets have run out true, even if quickly (+500 tq to the rear wheels).

    GL

    maw
    Last edited by maw1124; 07-31-2018 at 01:39 PM.

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    Re: Very strange tire damage

    Using wider wheels will totally do this. I had the same problem on my E500 with the staggered AMG Mono II setup (19") until I got the RDMTek rear LCAs with the modified setup (did a group buy some years back). Everything would be slightly out of alignment.

    There are a few different solutions that have been discussed here on the forum, including aftermarket camber arms. GSXR has some good experience with several types of these. I bought some many years ago but never installed them, as they can have some side effects. The modified factory rear LCAs were the most elegant solution.

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    Re: Very strange tire damage

    Gerry, this was on the front end, not the rear... and only one tire. If it was in the rear, I agree it was likely due to fat wheels without camber correction.


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    Very strange tire damage

    Aah, sorry for the mis-read of the location of the wheel. I agree that if on the front it’s a bad alignment.


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  17. #9
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    Re: Very strange tire damage (one front tire)

    Check your wheel bearings and the idler arm bushing. I have had the same problem on my e320.

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  19. #10
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    Re: Very strange tire damage (one front tire)

    Was there a computer print out of your previous alignment? Many new machines will give you a before and after snap-shot of what's going on. What did the numbers look like compared to the other side?

    The tech surely got that corner incorrect by the looks of that poor tire.
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  20. #11
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    Re: Very strange tire damage (one front tire)

    like mentioned above.Definetly a toe out/massive negative camber issue
    Have you checked the idler arm bushing AND the draglink?the drag link kan only be checked by squeezing the balljoints together,,,it will not be prominent when doing the 3 o clock 9 o clock wiggle on the wheels.Play in the The idler arm bushing will only be prominent when checking for play on the right hand side front wheel..doing the 3/9 o clock wiggle
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  21. #12
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    Re: Very strange tire damage (one front tire)

    Hi Cobra,
    Your said that this was the third set of Nokians. How many of them is with current rim/spacer combination? What is the ET of the rims?

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