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I *May* have been bitten by the new bike bug...

Discussion in 'Cross Country, All Mountain & Trail Riding' started by rideit, Oct 17, 2018.

  1. rideit

    rideit Bob the Builder

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    Say what you will about Hayes mag 9/etc, they were butt simple to bleed.
     

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  2. slimshady

    slimshady ¡Mira, una ardilla!

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    ... and still used the same fittings as everyone else in the market.
     
  3. rideit

    rideit Bob the Builder

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    The only difference is that they used a 6mm nut for the bleed valve, which is pretty tiny
     
  4. rideit

    rideit Bob the Builder

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    OK, so i had the brilliant idea of over-pressurizing the system (with the syringe pushing oil into the caliper with the lever port closed) to get the lever to engage more quickly. All I suceeded in doing was getting the extra oil to come out of the end of the master cylinder...did I fuck it all up?
    You can kinda see where it came out here.

     
  5. StiHacka

    StiHacka Compensating for something

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    Yes.
     
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  6. rideit

    rideit Bob the Builder

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    In all seriousness, what should I do now?
    The bite point is the same as before, but a tiny bit of oil squeezes out of the end, and I don't think that can be good.
     
  7. SkaredShtles

    SkaredShtles I love NEWCASTLE and will ONLY drink NEWCASTLE!!!!

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    I would strongly suggest that you...
















    Try it nao. :dance:
     
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  8. rideit

    rideit Bob the Builder

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  9. Nick

    Nick My name is Nick

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    behind you, don't wait up.
    put the syringe back on, pump the lever a few times to equalize the pressurez, remove syringe. Profit!
     
  10. rideit

    rideit Bob the Builder

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    It is that simple? Syringe on the caliper, leaving the lever port closed?
     
  11. Nick

    Nick My name is Nick

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    behind you, don't wait up.
    no put the syringe on the lever MC bleed port.

    I don't know HOW you got fluid to come out where it did. might be fubar'd
     
  12. StiHacka

    StiHacka Compensating for something

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    Do you have a Shimano bleeding cup? Put it on with some oil in it, pump the lever a couple of times, pray that you didn't blow the rubber.
     
  13. rideit

    rideit Bob the Builder

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    I tried that, I am afraid that I did the latter.
     
  14. Jm_

    Jm_ Turbo Monkey

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    I've never even tried this two syringe crap, I do realize that a bubble can sometimes be in the caliper and especially for the rear brake, you might have to work it around a bit to work it up towards the lever, I also find a 2nd quick-bleed sometimes necessary to account for this. Follow the shimano instructions, set the lever screw full out (if I recall), work the lever back and forth at different angles to get the bubbles out. If you do get bubbles, as long as you store the bike upright, they'll work up to the lever, then just quickbleed. Use the lever reach adjust to to also change engagement, at least on mine it does. If that doesn't get the engagement quick enough, just go ride when it's -10, I guarantee that'll do it.
     
  15. rideit

    rideit Bob the Builder

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    Pretty sure I got the air out, I have a whole host of new problems now, I think.
     
  16. jstuhlman

    jstuhlman We noticed.

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    cura it nao?
     
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  17. HardtailHack

    HardtailHack used an iron once

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    upload_2019-1-12_12-55-9.jpeg
     
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  18. Da Peach

    Da Peach Outwitted by a rodent

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    I was going to say that...

    2 months in issue-free.

    New pads tonight. Fingers crossed.
     
  19. HardtailHack

    HardtailHack used an iron once

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    Yeah I'm close to a year now with no problems...........except Magura's trademarked Rapid Pad Wear.
    I don't ride very hard and prefer the resin pads over the sintered ones, mostly because my bike sounds like a train and it makes me realize how much I brake when I really don't need to.
     
  20. rideit

    rideit Bob the Builder

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    Pretty sure this isn’t the brake’s fault...
     
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  21. Da Peach

    Da Peach Outwitted by a rodent

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    Yeah. I was shocked how quickly I went through my first set of rear pads. I’ve still got a bit of life left in them, but not much.

    I just did my first bleed on them for the hell of it. I yanked a couple of teeny bubbles out, but those were probably from the syringe/lever interface.

    Bomber brakes. Worth the pad wear IMO.
     
  22. HardtailHack

    HardtailHack used an iron once

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    They have always been the same, but all of my previous sets sucked, hahaha!
    How they made a brake that looks so similar to my old MT6 but actually works I will never know. I think my current MT5 was about 1/3 the price of the MT6. My Vyron dropper on the other hand has been quite the turd sandwich, loose as a whore from new, stupidly slow reaction time, the head unscrewed and just yesterday it was stuck in the up position but the motor was operating. I had my frame made around an e-Dropper so I may have to get the drill out :(
     
    #222 -   Jan 12, 2019
    Last edited: Jan 12, 2019
  23. rideit

    rideit Bob the Builder

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    Sounds like I blew the seal with too much pressure. Hopefully I can get just parts from Shimano, otherwise I'll have to buy a new lever, and fix the other one when parts start coming online...
     
  24. Jm_

    Jm_ Turbo Monkey

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    Haha, funny!
     
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  25. rideit

    rideit Bob the Builder

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    Any of you internet sleuths know how to navigate Shimano technical documents?
    I have been trying to find an exploded diagram with part numbers for 19' xtr. Br9120 brakes and 9100 cassette parts, to be specific...
     
  26. Kiwintas

    Kiwintas Chimp

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    The Shimano parts kit is a new lever.............
     
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  27. rideit

    rideit Bob the Builder

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    Yup, I had to buy a new complete brake. Anyone wanna buy a four pot XTR caliper and hose?
    Hopefully my LBS that I am affiliated with will write me a receipt so I can try and warranty the pooched one.
    And I thought that I was being so clever forcing extra fluid in the system...
     
  28. HardtailHack

    HardtailHack used an iron once

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    Maybe ask in the Frankenbrake thread, Magura runs mineral oil ;) ;)
     
  29. Nick

    Nick My name is Nick

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    behind you, don't wait up.
    If you just had to buy a new brake, wouldn't you have a receipt?

    Honestly I can't remember the last time I included a receipt with a Shimano warranty claim. Best warranty coverage in the business, IMO. Your shop Should be able to get it replaced for you easily.
     
  30. rideit

    rideit Bob the Builder

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    Brake was from Germany, Shimano USA warranty won’t touch that. Has to be a receipt from an authorized us reseller. At least that was my impression, I haven’t warrantied anything with Shimano since 2004.
    Good to hear you have had a different experience!
     
  31. mykel

    mykel Turbo Monkey

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    No receipt available...

    It was a gift from your <insert one item from column A>


    ex-wife / girlfriend / sig other
    parent(s)
    grand-parent(s)
    sibling
    other relative
    Sugar momma / daddy
    other

    any of which could be

    other side of country
    on vacation / sabbatical
    dead
    other
    ~
    destroyed in fire / flood / tornado
    ~
    lost / dog ate it
    etc

    There are many legitimate reasons why you may not have a receipt.

    I have had an actual instance where something i received as a gift from my late father with no receipt went back for warranty without issue once the situation was explained. I also have had instances where the policy stated that a receipt was needed, but was never asked for. It seemed that it was more of a case of "Yes it is our product. Yes it failed prematurely. Let me take care of that for you under warranty" Happy customer is more likely to purchase again or recommend. However was not bike but camping / canoeing gear.

    Worth a shot.
     
  32. vinny4130

    vinny4130 Monkey

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    Vastly different Shimano experience than mine.
     
  33. rideit

    rideit Bob the Builder

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    I think my biggest issue is that it was 100% my fault.
     
  34. StiHacka

    StiHacka Compensating for something

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    Are you sure the membrane is gone? Have you tried any of the resurrection methods described in that empty beer post?
     
  35. rideit

    rideit Bob the Builder

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    There’s no way to access the bladder now, from what I can tell.
     
  36. Jm_

    Jm_ Turbo Monkey

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    Yeah, but it's 100% shimano's fault that those dipshits don't sell any replacement parts.
     
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  37. Jm_

    Jm_ Turbo Monkey

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    Also, I'm not saying you should send your blown lever in a box to shimano with a note about spare parts and some poop in the box, but I'm not saying you shouldn't either...
     
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