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Thread: My wheel FELL OFF - BC coilover failure

  1. #1
    Registered Member Listers's Avatar

    08.5 MS3

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    My wheel FELL OFF - BC coilover failure

    Well this happened about a month ago but I didn't know if I should post it. I am going to keep this as factual as possible and offer my own opinions to supplement. Take what you will from my experience.

    On Aug 13 I went out for some photos and made this thread http://www.mazdas247.com/forum/showt...hp?t=123751456 and on the way home I hit an uneven surface. There was a clunking noise coming from the RF strut. I pulled over and saw oil dripping from the bottom of the strut. The strut had blown. I had installed the coilovers about 11 months previous.

    I contacted PG and asked Ken about the warranty process and he helped with the contacts I needed for a replacement. Emails back and forth with BC lasted a few days and never came to a conclusion because of what happened on Aug 21. I kept driving on the blown strut thinking that the strut was structurally strong enough to function until i got the replacement. I've driven on blown struts(with other cars) before with no real issues.

    So on Aug 21st I was on the expressway and I hit a small bump in the middle of a curve and I immediately felt that the steering was "loose" and not as responsive. The steering wheel was no longer aligned to be straight when the front wheels were straight. I took the first exit I could and I down shifted to about 30mph because i was approaching stopped traffic at an intersection. As soon as I put any pressure on the brake pedal I felt the car drop and dive to the RF side and it came to a halt quickly.

    As soon as it happened I knew what it was. The strut had separated and the wheel was in my wheel well supporting the weight of the car on the tire. The strut split in half a little above where it sits in the sleeve(or base). It looks like the top part of the strut threads(about 4 threads) into the lower part and BC welds it at that connection. Upon removal of the damaged strut I also noticed that the "hook" that keeps the the strut from rotating and holds on to the pinch bolt was missing.

    I was able to reinstalled the stock suspension without replacement of anything. I didn't want to deal with BC and stopped communicating with them about the replacement.

    I understand that I was using a blown strut but really didn't feel the strut should've blown in the first place. Furthermore, I didn't expect the strut to fail structurally.

    The puddle in the first pic is not from the car.

    Thanks to O'Hare Towing for being delicate with my car and charging me only $170

    EDIT: The front struts were set to the stiffest setting





    EDIT 2:

    Here are pics of the hardware itself. You can see the threads and how they were "cleaned off" when the strut flexed/collapsed.





    This is a photo of the GOOD strut and how it's threaded and welded at the top of the sleeve
    Last edited by Listers; 09-21-2009 at 07:33 PM.

  2. #2
    Asian Persuasion <>< Hank3's Avatar
    Contributor

    2010 Mazda5 GT | 2014 Kia Soul !

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    Ouch! Pics don't work for me - not sure if I want to see it...



  3. #3
    Registered Member Listers's Avatar

    08.5 MS3

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    pics fixed

  4. #4
    SLAMMED VP TWISFM's Avatar

    2002 Protege5 slow/low

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    BC COILOVERS INSTALLED click for thread
    TEAMPRO5
    BUY MY CAR!
    Quote Originally Posted by yellowmsp035 View Post
    i have 3 msps right now and none of them run.

  5. #5
    手前の言葉が俺は聞き捨てよう TheMAN's Avatar


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    I guess people should stick to tein/autoexe/jic/mazdaspeed?
    TheMAN
    '01 BJFP MT
    '05 BK3P HB AT
    '16 BMYFS AT

    For Protege and Mazda3 info, come see the Protege FAQ

  6. #6
    Registered Member Listers's Avatar

    08.5 MS3

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    Quote Originally Posted by TheMAN View Post
    I guess people should stick to tein/autoexe/jic/mazdaspeed?
    YES, for now im sticking to stock especially with winter on the way

  7. #7
    Registered Member nypz's Avatar


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    damn that sucks

  8. #8
    Registered Member CnoTataymo's Avatar

    08' MS3

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    Do you happen to have a picture of the shock that broke?

  9. #9
    La de frickin Da! mr_mazda329's Avatar

    97 Mazda Miata; 09 CWP Mazdaspeed 3

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    The springs should keeps the car up and not drop like that. Broken Strut Mount will do that tho. Blown struts will make the car react harshly under rebound and make the car jumpy. Grab pics of coilovers when ya can.

    sorry for your loss. Something was fatigued for sure.
    97MontegoBlue FM sways/FM butterfly Brace/Ohlins DFVs/Boss frog roll/Borla Catback/JR header/14x7 Enkei RPF1
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  10. #10
    Registered Member


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    wow holy shit
    2008 mazdaspeed3 gt (sold)
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  11. #11
    Registered Member


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    sorry bro.

  12. #12
    Propulsionally Challenged Protephile's Avatar

    2003 Protege ES

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    Quote Originally Posted by mr_mazda329 View Post
    The springs should keeps the car up and not drop like that. Broken Strut Mount will do that tho. Blown struts will make the car react harshly under rebound and make the car jumpy. Grab pics of coilovers when ya can.

    sorry for your loss. Something was fatigued for sure.
    That was my first thought, too...I'd really like to see pics of the whole
    assembly, or at least what's left of it. Sounds like even more that just a
    broken strut!

  13. #13
    Propulsionally Challenged Protephile's Avatar

    2003 Protege ES

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    Quote Originally Posted by TheMAN View Post
    I guess people should stick to tein/autoexe/jic/mazdaspeed?
    Oh...and Edwin, I'm glad you didn't mention Eibach...I had both of my front
    springs break on me within the last two years.

  14. #14
    Registered Member

    Mazda 3s

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    Me, I blame the the roads in Chicago and the surrounding suburbs. Although, it is very much possible the part was structurally deficient and should be warrantied.

  15. #15
    Registered Member Reyan's Avatar

    2007 speed 6

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    That sucks man. Think they'll warranty the product for you.

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