EVO All Evo Model Discussion

Brake Broke

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Old Aug 20, 2020 | 06:37 PM
  #11  
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Does this look familiar?

https://www.hdforums.com/forum/evo-c...al-switch.html
 
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Old Aug 20, 2020 | 07:17 PM
  #12  
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Yeah, HDF showed that as a related thread.

Very interesting. I'm guessing this is a very rare failure, but I'm glad I'm not the only one.

Thanks for sending the bracket. Much appreciation.
 
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Old Aug 20, 2020 | 07:47 PM
  #13  
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I can weld aluminum with my MIG. I also have some of that brazing stuff for aluminum that's supposed to be stronger than the base metal, so, yeah, we could have got you back on the road.
 
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Old Aug 20, 2020 | 07:55 PM
  #14  
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Originally Posted by daven9113
Same thing happened to me a couple of years ago on the road. Had to do a roadside fix. That area of the bracket needs to be checked with each tire change. The pad will get loose and wear down that area where the shim sits and the aluminum eventually cracks. Unfortunately, many do not catch this until that area cracks. You can add an extra metal shim that comes with the new pad and this will make it fit tighter when the pad starts to get loose. By the looks of it, you could go cheap and JB weld yours, or find a take off on eBay. Good luck.
Was just going to ask what the cause was, thanks for answering before I asked.
 
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Old Aug 20, 2020 | 08:00 PM
  #15  
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Wow! Glad it let go a slow speed, never seen that either. Got a set of fronts, but nothing for the rear.
 
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Old Aug 20, 2020 | 08:07 PM
  #16  
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Originally Posted by Mountainkowboy
Wow! Glad it let go a slow speed, never seen that either. Got a set of fronts, but nothing for the rear.
Mine let go at highway speed. Thought I ran over something, but it was a clear road. Came to an immigration check point in SW Arizona, went to press the brake pedal and got nothing! Haha.. BTW, that was my write up in HDF.
 
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Old Aug 20, 2020 | 08:26 PM
  #17  
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Not trying to embarrass anyone but just have to ask - maybe the slide shims got gone during the failure, but in the photos it doesn't look there had been any shims on either of the the failed caliper mounts. (?)





 

Last edited by t150vej; Aug 20, 2020 at 08:29 PM.
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Old Aug 20, 2020 | 08:43 PM
  #18  
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No, there was. What happens is the shim actually gets banged up and cracks, and then the pad continues to move/rattle until the the aluminum bracket cracks. Because I never checked mine before, the shim actually embedded in the bracket, and created a wear mark into the caliper bracket when I pulled it off.
 
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Old Aug 20, 2020 | 08:55 PM
  #19  
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Originally Posted by daven9113
No, there was. What happens is the shim actually gets banged up and cracks, and then the pad continues to move/rattle until the the aluminum bracket cracks. Because I never checked mine before, the shim actually embedded in the bracket, and created a wear mark into the caliper bracket when I pulled it off.
Ok, I got you. Thanks daven - good info!


 
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Old Aug 20, 2020 | 09:06 PM
  #20  
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Originally Posted by t150vej
Ok, I got you. Thanks daven - good info!
No problem. I posted the issue here, hoping to save others the grief. Because I had a bent bolt, I took the bracket off, bagged and zip tied my brake line and rode home to Phoenix with front brakes only. Oh, it gets better. Stop by the American Legion in Greenway(?) and got starter run on that I had to deal with. Man, it was a long day.

Here's the actual roadside fix picture. Check out the difference between the two shims. Bottom shim wore right through. Notice the presence of only one brake pad. Haha
 
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