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Snow Chains 21 Turbines, Learn from my mistake

Discussion in 'Model S' started by Bueno, Dec 24, 2019.

  1. Bueno

    Bueno Member

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    Was invited to visit family up in Big Bear CA 12/23 -12/24 as my luck would have it snow was on forecast. As it was short notice I did not have time to research/order chains that have been verified by forum members. I headed down to the local parts store and provided them with my tire size and they provided me with belt style chains. I made it up to the cabin 12/23 with no issues nor need to use chains as the roads were clear. Today 12/24 when I was going to depart I checked the CalTrans App and seen that chains are required for vehicles even if AWD if you ado not have M/T tires ( I do not have M/T tires. I installed the chains on the rear tires and headed down the mountain. The roads were Icy so I was glad I had installed the chains until about 3 miles down I heard a "POP" in the rear I immediately pulled over as there was a turnout and tried to look under the rear of the car but couldn't see anything. The roads seemed to have been a little clear now so i removed the chains and kept heading down.

    I arrived home ok, I then went to depart again about an hour later and was on the highway behind a semi when I signaled then accelerated to pass I felt the rear squat and shift right thus forcing the car to veer left. I thought maybe it was the road so I slowed down maintained lane and attempted to accelerate again which yielded the same result. I had my car towed to my friends shop. The pictures below is the result of the damage that was caused.

    Both of the Lower control arms as well as Integral Links need to be changed now. This is completely my own fault and I am lucky I did not get into/ cause an accident (most of the mountain driving was around 25 mph).

    2014 Model S P85D, 21' turbines and Air Suspension
     

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  2. ucmndd

    ucmndd Well-Known Member

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    #2 ucmndd, Dec 24, 2019
    Last edited: Dec 24, 2019
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  3. FlatSix911

    FlatSix911 Porsche 918 Hybrid

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    Sorry to hear about your experience... hopefully you saved someone on TMC from a similar fate!
     
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  4. sorka

    sorka Well-Known Member

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  5. AjrUleZ

    AjrUleZ Member

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    Do we really need to have chains on tires driving in snow?
    I enjoyed my drive today in flagstaff with 21inch turbine wheels with low suspension on.
     
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  6. Bueno

    Bueno Member

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    unfortunately if you do not have Mud/Snow rated tires and there is a checkpoint the transportation department will make you install chains or turn around.
     
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  7. Bueno

    Bueno Member

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    @sorka could you please share the torque specs for the lower control arm bolts as well as the wishbone link as hopefully I’ll be getting the parts today if they are in stock. I read your post and you stated you had the service manual which I do not.
     
  8. jkoya

    jkoya NA2 NSX

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    OP - Thanks for the post and the warnings !! Good luck with the repairs.
     
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  9. Zer0t

    Zer0t Member

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    Wow glad you’re ok that’s really bad damage.
     
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  10. Bueno

    Bueno Member

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    Update - ordered parts for a grand total of $926 and 8-10 business days for delivery so it looks like I’ll be back in my ICE car for a bit.
     
  11. jkoya

    jkoya NA2 NSX

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    Thanks for the update - Did you by chance get an estimate for the labor ?
     
  12. Bueno

    Bueno Member

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    No, as I will be installing the parts myself.
     
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  13. dethman

    dethman Member

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    That is some craziness what the chains can do to that suspension. Glad you are OK.
     
  14. Chaz

    Chaz Big Kahuna

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    Thanks for sharing. I have considered carrying chains for the occasional mountain trip but I think I'll just turn around if need be... :)
     
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  15. jkoya

    jkoya NA2 NSX

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    Nice - good luck with the install and Happy New Year !!
     
  16. TSLA Pilot

    TSLA Pilot Active Member

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    Perhaps worth an insurance claim?

    Also, you'll need an alignment as well, that's another $200+. Be sure to check the front suspension and fender liners as well.

    Lastly, I'm surprised you didn't hear anything as you drove while all this damage was taking place. Was the radio on, or was there just too much other stuff going on to notice?

    Thanks!
     
  17. BrokerDon

    BrokerDon Active Member

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    Just curious.

    Are your Turbines staggered or square?
     
  18. BrokerDon

    BrokerDon Active Member

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    I bought a set of used 19" Cyclones with Gen2 TPMS sensors and Michelin M&S rated tires off a local eBay seller a couple of years ago for our our 2015 P85D in for about the same amount of your repairs. Probably cheaper now on eBay, Craigslist, and maybe even TMC. We used these on our away from SoCal road trips including a winter snowboard trip to Denver via Breckenridge which had lots of snow. No chains required. Our AWD P85D drove through 6" snow better than our Jeep Grand Cherokee 4x4 too.

    Good news is Tesla snow chains are possible with 19" Tesla wheels:.Model S Snow Chains

    IMG_4137.JPG
     
    • Helpful x 1
  19. Bueno

    Bueno Member

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    Not worth insurance claim in my case as my friend is letting me use his shop to fix it. I’ll be throwing it on his alignment rack as well to put it back in spec.

    I visually looked at all 4 suspension sets and seen no damage (didn’t expect any as chains were only on rear).

    Didn’t hear anything concerning, mostly heard snow and ice being flung and chains crunching in the snow. On top of that I had a car full of people/luggage.
     
  20. Bueno

    Bueno Member

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    I have staggered turbines
     
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