Shimano XT M785 Brake Lever Full Teardown And Rebuild

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  • เผยแพร่เมื่อ 30 ก.ย. 2024

ความคิดเห็น • 70

  • @OTBkid
    @OTBkid 3 ปีที่แล้ว +6

    Tremendous help. Same disassembly as the Zee levers.

  • @spencenexus7
    @spencenexus7 2 ปีที่แล้ว +2

    Thanks - I just had to replace the lever blade. That bloody spring! Your video is the only place that I could find the correct orientation and install method.

  • @emanuelpradera9717
    @emanuelpradera9717 3 ปีที่แล้ว +2

    Hi, nice video, I will give it a try and overhaul my levers as well, but can you do a video on how to overhault the actual brake pistons and calipers? Thanks!

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว +1

      Yes, definitely, I will put it on my list for future videos.

  • @youbertuber8109
    @youbertuber8109 2 หลายเดือนก่อน

    how full name of silicone grease?

  • @Macu3
    @Macu3 ปีที่แล้ว

    Either my fingers are flimsy or putting back the bloody spring is insanely difficult. I spent 2 hours on that with my m8100 levers. When I squeezed the lever, there was no opening allowing me to put it in.

  • @antn8387
    @antn8387 3 ปีที่แล้ว +1

    thanks for the clear video. everyone else's videos are all terrible.

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว

      Thank you very much for the feedback! I'm very happy that it was useful to you!

  • @GeloVillanuevaMTB
    @GeloVillanuevaMTB 3 ปีที่แล้ว +1

    My XT m785 is leaking fluid in the levers. near where the levers pivot. Im planning on servicing it and hopefully fix the leaking problem. But i have yet to buy a bleedkit and some mineral oil. Would like to hear your suggesttions on how to troubleshoot it
    thanks in advance : )

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว +1

      The only thing I can think of that can cause the leak is maybe the piston seals. It probably starts there and the fluid make its way down to the pivot. Depending on how bad it is, you might be able to fix it with a good clean but maybe you will need to change the seals on the piston. Also don't buy the smallest bottle of mineral oil as you might need to flush the system. Sometimes dirt gets in from the leaking point and the whole fluid gets contaminated. Good luck!

    • @GeloVillanuevaMTB
      @GeloVillanuevaMTB 3 ปีที่แล้ว

      @@buckbikespent4588 The Fluid is leaking on the right hand Lever and not in the calliper piston. Are there seals that i can replace?

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว +1

      The lever also has a piston. I remove it in the video here: 7:30 .

    • @GeloVillanuevaMTB
      @GeloVillanuevaMTB 3 ปีที่แล้ว

      @@buckbikespent4588 Thanks so much
      you earned a subscriber hehe

  • @JohnnyOshika
    @JohnnyOshika 3 ปีที่แล้ว +1

    Great video! Thank you for taking the time to post this. I have a strange click in my SLX lever and I think it's coming from the plastic parts that sandwich the metal pin that you attached your wrench to when removing the rod. I'll try to use your technique to replace this part.

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว

      Thank you, I'm happy you liked it. I wonder what would be clicking there. It might be worth spraying some lube there to see if it will help before taking everything apart.

    • @ProMountainBiker
      @ProMountainBiker 3 ปีที่แล้ว

      The click is normal

    • @JohnnyOshika
      @JohnnyOshika 3 ปีที่แล้ว

      @@buckbikespent4588 I removed the lever blade and cleaned everything. I also sprayed a bit of lubricant in there. The click is still there but better than before. It clicks when the lever returns to its rest position. The servo wave roller rolls along the lever blade, and in the final moment of the lever retracting, it roller jumps and makes a clicking noise.

    • @JohnnyOshika
      @JohnnyOshika 3 ปีที่แล้ว

      @@ProMountainBiker That's good to know, thank you. My left lever is significantly louder than my right, but it's good to know that it's normal.

  • @nicezic
    @nicezic 3 ปีที่แล้ว

    I have a problem with the brake lever.
    First, the lever's tank is blocked, bleeding is impossible. I cannot push the oil out.
    Second, when I grasp the lever, the oil in the tank doesn't flow in and out at all.
    I think the problem is because the lever is contaminated.
    Thank you for your uploading!!!!
    👍👍👍👍👍👍👍👏👏👏👏👏👏👏👏

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว

      The oil in the tank shouldn't really flow when you move the lever, there should be just a tiny movement of the fluid up and down. I haven't seen a lever that contaminated so bleeding is not possible but in your case this might be the issue. If the lever is contaminated, probably the whole system is so you will need to change the whole fluid and clean the lever.

  • @jayempalubon8827
    @jayempalubon8827 3 ปีที่แล้ว +1

    is this same with deore m615

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว

      I haven't worked with a Deore lever before but from the pictures they look similar.

    • @multig
      @multig 2 ปีที่แล้ว

      No, lever isn't replaceble. But you can fix it if you have some tools and good hands. I can give you a link to video, but there is all only in russian.

  • @kukkuk188
    @kukkuk188 3 ปีที่แล้ว

    Hello! Where can i buy the lever axel from? :) Myne is worn too! :) Thanks!

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว +1

      Hey, I got mine off amazon uk here: www.amazon.co.uk/Shimano-Y8VC05000-BL-M785-lever-axle/dp/B00G99TFYS

  • @Thepoeticmtbr_The_poetic_mtbr
    @Thepoeticmtbr_The_poetic_mtbr 2 ปีที่แล้ว

    Thanks for the vid, added to my bike maintenance playlist 👌

  • @icecreamsandwichiify
    @icecreamsandwichiify 3 ปีที่แล้ว

    Was this a new piston? I'm having this problem.

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว

      I just cleaned up the old piston and it is holding fine for now. Is your leaking or sticky? You will have to inspect your piston, clean everything and try it out but if you want to be sure and not do this again, you can just replace it.

  • @irasdeejay
    @irasdeejay 3 ปีที่แล้ว

    You saved my life. Thanks for this video, it helped me a lot.

  • @emanuelpradera9717
    @emanuelpradera9717 3 ปีที่แล้ว

    Also, which brake cleaner did you use?

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว +1

      I used one from Lidl, it was 2 quid for the whole spray bottle.

  • @rsm609
    @rsm609 3 ปีที่แล้ว

    Thank you. Saved my brakes :)

  • @JamesWilson-vf1mf
    @JamesWilson-vf1mf 3 ปีที่แล้ว

    Hi when will you be doing full suspension build ?

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว

      Hey, I have to make a video about the forks that are going on the bike as I have to service them as well and then the build can begin. Everything depends on how much free time I have but definitely in the next month or two.

  • @Max-vk9ki
    @Max-vk9ki 3 ปีที่แล้ว

    Hi, I had a pressure problem with my brake, so I took apart the lever and the lower pin of free stroke adjuster is broken (the part you struggle with at 11:17 in your video). Do you know if it's possible to get a spare part? I can't seem to find it on Shimano's component diagram. Thanks!

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว +1

      Hi, I usually don't use the free stroke adjuster, I just unscrew it all the way out. I suspect that you had it all the way in, this piece broke and you just needed to bleed your brakes. I don't know if you can get a spare part but maybe keep an eye on eBay or similar places for broken levers. People sometimes sell leaking levers quite cheap that you can steal this part from. Until then just bleed your brake or change your pads if they are worn and it should work fine.

    • @Max-vk9ki
      @Max-vk9ki 3 ปีที่แล้ว +1

      @@buckbikespent4588 thanks! I'll try to bleed and see what happens.

  • @trdano
    @trdano 2 ปีที่แล้ว

    thanks so much for the video

  • @todzulu6
    @todzulu6 2 ปีที่แล้ว

    Great video, thanks! Do you know where I can get Zoom brake replacement pistons?

    • @buckbikespent4588
      @buckbikespent4588  2 ปีที่แล้ว

      Thank you! I'm happy you liked it. I'm not familiar with the Zoom brakes. If they run with mineral oil, probably you can swap the caliper/lever with shimano or magura. I'm yet to try shimano levers and magura calipers.

    • @todzulu6
      @todzulu6 2 ปีที่แล้ว

      @@buckbikespent4588 oh ok, thx for the info!

  • @BogartBikes
    @BogartBikes 3 ปีที่แล้ว

    Great vid. Helped me a lot! +1 sub

  • @AmmiHamzah
    @AmmiHamzah 3 ปีที่แล้ว

    Awesome. Thankyou

  • @aerodynamik
    @aerodynamik 2 ปีที่แล้ว

    Bravo bel tutorial!

  • @xxmr_coolxx5215
    @xxmr_coolxx5215 3 ปีที่แล้ว

    Can i purchase this spring from somewhere?

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว

      Hey, are you talking about the one that is supposed to push the piston back?

    • @xxmr_coolxx5215
      @xxmr_coolxx5215 3 ปีที่แล้ว

      @@buckbikespent4588 no for the lever 13:06

  • @1juicyj3ri
    @1juicyj3ri 3 ปีที่แล้ว

    How to remove the mineral oil to proceed to this process?

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว +1

      There are several ways you can do this. For example, if you don't want to remove all of the oil, you can just unscrew the nut that holds the hose to the lever, split them apart and let the oil from the lever drain into a container. On the other hand, if you want to remove all of the oil, you will need a hose that can slide on the bleeding nipple on the calliper and a syringe. Unscrew the lever reservoir screw, put one end of the hose on the syringe and the other on the bleeding nipple, slightly pull the syringe with one hand and with the other start unscrewing the bleeding nut on the calliper until oil starts flowing. In the end, dispose the oil responsibly. Hope this helps.

    • @1juicyj3ri
      @1juicyj3ri 3 ปีที่แล้ว

      @@buckbikespent4588 Thank you very much! ❤️

  • @АЛЕКСАНДЪРХРИСТОВ-й4е
    @АЛЕКСАНДЪРХРИСТОВ-й4е 3 ปีที่แล้ว

    Great video

  • @matiasatamaniuk5266
    @matiasatamaniuk5266 3 ปีที่แล้ว

    Thanks.

  • @francisleesc
    @francisleesc 3 ปีที่แล้ว

    👍👍👍👍👍👍👍👏👏👏👏👏👏👏👏

  • @leepowelldev
    @leepowelldev 3 ปีที่แล้ว

    Great video - just fully stripped mine and rebuilt, this video makes it very easy. Thanks :)

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว

      Glad you found it useful! Enjoy :)

    • @leepowelldev
      @leepowelldev 3 ปีที่แล้ว

      @@buckbikespent4588 I was a bit nervous of using grease for the piston in case it blocked the timing holes. I used a bit of mineral oil instead.

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว

      I used silicon grease just to try and preserve the rubber seals but I guess mineral oil will not hurt.

    • @leepowelldev
      @leepowelldev 3 ปีที่แล้ว

      @@buckbikespent4588 Do you know if Shimano recommend using silicon grease? As I didn't see any residue of grease when taking them apart.

    • @buckbikespent4588
      @buckbikespent4588  3 ปีที่แล้ว

      I don't know if they recommend it or not. It is something I decided to do as I'm reusing the old piston and seals.