Bleeding A Shimano Disc Brake In Real Time

Bleeding A Shimano Disc Brake In Real Time | How To Bleed A Disc Brake

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4 жыл бұрын

Next up on our series of real time service jobs is the full Shimano brake bleed. Flushing the mineral oil from calliper to lever to completely refresh the fluid in the system🔧
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Пікірлер: 390

@gmbntech 4 жыл бұрын

Did you find these tips helpful?

@blackpete 4 жыл бұрын

Absolutely.

@darthmaul77 4 жыл бұрын

Thank you Henry, it looks so much easier than when I read Shimano's instructions !

@neilmurray1359 4 жыл бұрын

Awesome Henry ,great job.

@merrittsquared 4 жыл бұрын

yes...but have you considered making a list of the tools you use in the description? Would be a nice quick reference to go along with the video/tutorial.

@paulsack9563 4 жыл бұрын

You always release these videos when I need them somehow.

@newttella1043 4 жыл бұрын

Henry: always cleaning to prevent contamination. Me: oil squirted everywhere, stains on clothes, floor, handlebars all greasy.

@iliyadavoodipour258 3 жыл бұрын

This guy is too clean and precise to be a mountainbiker😂

@davidwales9657 2 жыл бұрын

next day it goes and gets thrashed in the mud

@michaelsteven1090 2 жыл бұрын

Yea and too much drama in theses videos..like teaching chimps..

@chikamichi Жыл бұрын

Still he made some "entry-level" errors, such as not cleaning the pistons before pushing them back in, not flushing the brake caliper, not cleaning the contaminated brake lever once done flushing the system, not cleaning in a top-down fashion… YMMV basically, by which I mean from my POV he’s a decent mechanic, but I’d argue not "clean and precise" (more so for it’s a scripted video/protocol, so less room for oversights).

@Tzed250 Жыл бұрын

@@chikamichi And yet he’s making a living as a mechanic on the UCI WC Downhill circuit😉

@chikamichi Жыл бұрын

@@Tzed250 Which makes that kind of GMBN Tech video even more so disappointing. Again, there had been better tutorials available, why release something half-baked? They do run a commercial channel, so my best guess is the host are pressurized into making & releasing content, and live tutorials are most likely a "good" way to abide by the schedule. It does not make for high-quality content though. Not the end of the world ofc, just reacting to the "too clean and precise" joke/claim. Have a nice day.

@BurningChariot 4 жыл бұрын

Legitimetly the calmest dude on earth. Love watching his videos, particularly his how-to’s as he’s ultra meticulous and I always learn something new

@SusiBiker 4 жыл бұрын

Unless he is down-talking ebikes...

@KimballPrecisionRifles 2 жыл бұрын

@@SusiBiker e bikes are stupid. They completely ruin the point of a bike.

@cozmo4694 Жыл бұрын

@@KimballPrecisionRifles well, I wouldn't say that, they take out the "sting" out of mountain biking for people who may not be able to ride a normal mtb. Although i feel like if you're able to ride a non-e mtb you propably should

@SnowShackboy 2 жыл бұрын

man, between his soothing voice, the slow and steady tempo, and that lofi/chill background music I feel like I just spent the the last few minutes meditating.

@herculesmclovin 3 жыл бұрын

Tip: Clean the pistons *before* you reset/push back, otherwise you are potentially pushing dirt into the piston seals of the caliper 👍

@raelcartwright1984 2 ай бұрын

And how would you clean the pistons

@herculesmclovin 2 ай бұрын

@@raelcartwright1984 Isopropyl alcohol, cotton buds (Q-tips) & toothpick 👍

@raelcartwright1984 2 ай бұрын

@@herculesmclovin thank you

@herculesmclovin 2 ай бұрын

@@raelcartwright1984 np, you basically want to avoid standard cleaners because they leave a reside. This stuff breaks down the dirt, and then exaporates off. Clean rotors and pads (after a sand) with it too.

@dmw0lton21 4 жыл бұрын

Love how Henry services bikes like a piece of artwork, so much passion!

@MultiSuzybear 4 жыл бұрын

Ive cycled most of my life and i have never ever bled my shimano brakes because i didn't know how to and I've just completed the task with no problems thanks to the guys at GMBN.

@joppek77 4 жыл бұрын

Great job! It's very educational watching an experienced mechanic work in real-time. =)

@SnailHatan 3 жыл бұрын

Real-time is so much more helpful than guys who just tell you what to do and skip five minutes to the next step. Thanks man 🤙🏼

@olisimmons2785 4 жыл бұрын

Been bleeding brakes, successfully, for a few years now and I've still gotten some tips to improve my bleeds massively! Thanks a lot!

@gepardtilly 4 жыл бұрын

This is the best bleeding video that I have seen on KZfaq, and I watched many!

@flrn6233 3 жыл бұрын

Minute 13:16, that was just the advice I needed to bleed my brakes at perfection. Thanks, nobody told me that!

@Vincent_Vrsn 4 жыл бұрын

Made my first bleeding ever this morning using this video and it was a total succes! Big thanks

@lukasbad5646 3 жыл бұрын

Great tutorial,finally explained thoroughly and slowly, I always had a problem with bleeding the brakes because everyone does it differently, in their own way, I also needed time to develop my own bleeding style. This video helped me get even better at bleeding the brakes, thanks a lot for that. Greetings from Warsaw, Poland

@phillipgamble849 3 жыл бұрын

I found this to be the absolute bees knees. I was being bombarded by other videos about how much I really should take it to a bike shop.. etc etc, and this is just awesome. Please keep it up.Thank you..

@michael_emtb 4 жыл бұрын

Awesome job Henry, you made what was a daunting task to me, seem like I could successfully do it!! Great stuff, thank you!! 👍🏻🤘🏻

@gavindean 4 жыл бұрын

Such a pleasure to watch these videos

@joeocarroll1561 4 жыл бұрын

When he didn’t wipe the excess oil off the lever😥

@joeocarroll1561 4 жыл бұрын

@Henry Quinney Even the pros make mistakes! I forgive you! Love your work

@Nick-gv3si 4 жыл бұрын

Lol i was laughing at that because hell have contamination nightmares now. Great video though.

@angieurban2013 Жыл бұрын

This man is a joy to watch. Fantastic video, super detailed, love it.

@tomaswenngren2648 3 жыл бұрын

The best tutorial on bleeding brakes, thank you so much!

@rupedog 4 жыл бұрын

Such a comprehensive vid...👏👏👏👏

@marshallgoldberg8376 4 жыл бұрын

Excellent video! Great production quality, great attention to detail! I especially liked your suggestion to tip the bleed cap before screwing it in, to keep an air bubble out. Pure perfectionism! I'd like to suggest some steps to add to your procedure: After removing the pads, use a Q-Tip to clean the protruding portion of the pistons using alcohol or brake oil, before pressing them into the caliper. This will keep dirt out of the system. Then, in my opinion, before pressing the pistons in, remove the fill cap and screw in the funnel. This way, it will be easier to compress the pistons, because it will not pressurize the hydraulic fluid. As you mentioned in your video, sometimes oil squirts out when you remove the fill cap. You lessen this by removing the fill cap before pressing the pistons into the calipers. Last, when you're finished and ready to replace the pads, you should at least wipe off the pads and consider cleaning the rotors. Finally, insert the pads, replace the wheel, loosen the caliper mounting bolts, and press the brake lever. Now you can tighten the caliper mounting bolts with the lever depressed, and the rotor should be perfectly centered between the pads. Spin the wheel to give it a quick test.

@calypso2niner 4 жыл бұрын

Excellent! Thank you, Henry!

@RodZamora_is_the_best 3 жыл бұрын

Outstanding, thank you Yoda! You know what, I could see you're fastidious about contamination but i considering its the most important safety mechanism on any bike it's detail that's worth being anally retentive about. Thanks again for this video, best one I've seen!

@josereneducharme142 4 жыл бұрын

Great job! Perfect timing! Now it's beer o'clock!

@kernvilleuke 4 жыл бұрын

Excellent instructional video. Thank you very much

@ronaldgadget 3 жыл бұрын

clear; to the point; recommended!

@Nick-vl6yx 3 жыл бұрын

Cracking video, i feel more confident in tackling my brakes now. Thank you

@sticksman7819 4 жыл бұрын

Great tutorials you guys are doing.this is a job I'm actually looking forward to do.another one will be changing to tubeless.they both seem as very rewarding jobs.👍🏻

@ginsudan 4 жыл бұрын

Great video, I am inspired by your commitment to cleanliness. The thoroughness of the process gave me confidence to do this maintenance. But first I need to make a clean place to work. I do not yet have a detonated bike cave/workshop. So I am going to make a concerted effort to get the area clean and ready as well as try to keep it that way. Bike cave is one of the portions of the GMBN Tech show I envy most. Many viewers have such nice workspaces/ bike caves. Thanks for the tech and inspiration. I might even get a mani pedi.

@NicoSpeziali Жыл бұрын

amazing video! thank you so much for this detailed process, super helpful!

@bobojo8591 4 жыл бұрын

Great video Loved how you did not skip any parts, or assume any prior knowledge or experience and you did not fast forward. Sometimes l feel very put off by presenters who do that, not everyone is technically savvy and some of us are still trying to get enough courage to tackle our first 'big job' so it helps a lot. By the way thought the Westlife and manicure references were very funny.

@bluestraycat 3 жыл бұрын

Great work Henry. After running Hopes on my bike for several years, I've recently got another bike with Shimano, so this was a great refresher course and learned a few tips as well

@gmbntech 3 жыл бұрын

Good stuff Phil!

@joev1611 4 жыл бұрын

Henry...the Bob Ross of bike mechanics. Excellent vid.

@benvinall5856 4 жыл бұрын

Excellent westlife reference! Really good to see real time videos

@kenleach2516 3 жыл бұрын

Great to see the best way. Thanks 👍

@xxMissSummerxx1 4 жыл бұрын

Henry's Hacks are top notch 👍

@richcole3931 4 жыл бұрын

nice trick on the lever stroke adjustment

@harperodonnell5989 4 жыл бұрын

thanks! much needed!

@melvaldepenas4972 2 жыл бұрын

Thank you! I thought I knew but learned a lot more!

@jmkos Жыл бұрын

Thanks so I h. Very helpful for my first bleed.

@buckroger6456 4 жыл бұрын

Such a fantastic video! Going to use the lever technic next time cause I always had a slight trouble getting all the air bubbles out.

@DevSingh-dd2et 3 жыл бұрын

You explained very nice and clear thank you very much young man

@tristandesade8635 4 жыл бұрын

AMAZING VIDEO THX GUYS - Tomorrow I'm gonna buy myself a Shimano bleed kit and do some work!🙌😊

@MyZippy13 2 жыл бұрын

Great video 👍🏻

@carlotrentini4083 4 ай бұрын

excellent tutorial

@thesmf1210 4 жыл бұрын

perfect timing, just been bleeding some 810 saint brakes, still got the rear to do

@stuntmonkey6969 3 жыл бұрын

That was really good, thank you.

@reesonnz8467 2 жыл бұрын

thanks for the info.

@drmoynihan 4 жыл бұрын

Thank you so much for this demonstration. You have convinced me that my older mechanical disc brakes are the way to go. :) You are a great tech and I am convinced that I would not want to do this myself. Thank you again.

@th_js 4 жыл бұрын

It's actually very very easy, these tutorials just make them appear more difficult.

@amightysailingman 2 жыл бұрын

I used to think like you. Then I finally got some hydraulic brakes. Bleeding is not something you need to do every year or even really periodically. It's not like mechanicals are completely maintenance-free, either. Sooner or later, you'll have to take them apart to clean, lubricate and rebuild, and I can tell you that's no picnic, either.

@drmoynihan 2 жыл бұрын

@@amightysailingman LOL 😆 Since the time I wrote this my mechanical brakes failed on my everyday rider and I replaced them with Shimano disc brakes that are so much better. Then I got my Commencal Meta with SRAM disc brakes which are fantastic.

@gaurav.mandal 4 жыл бұрын

Remember that AskGMBN with the thumbnail "Who is this guy?" when Henry had newly joined. Henry made a deal with Martyn to show us how to build a wheel. I'm still waiting for that. So when Mr. Ashton is back, let's make that happen.

@DimitrisConstantinou 3 жыл бұрын

Perfect. Thank u!

@bikoastal9203 3 жыл бұрын

Excellent video.

@wlouisharris 3 жыл бұрын

Great video. I couldn't get the tube to fit on to the caliper opening but the syringe had a really small nozzle. I was able to compress the oil in to the caliper tube without the tube attachment. Hopefully this isn't an issue doing it this way. But I got the point on teasing the syringe back to get rid of air in the syringe. After I bled the brakes after flicking the brake lever 20-30 times I started to notice the pressure increase on the brakes.

@gray_wolverine63 Жыл бұрын

Thank you !! igreat information now I know how it. I like how you work I'm the same way. Do it right or not at all. 🇺🇲👍🏻

@carlgumeson2212 4 жыл бұрын

Nicely done. Quite different than the method Shimano recommends.

@captainsander13 Жыл бұрын

Super helpful video ! Did it for the first time following step by step and it worked 🤘🏼 thanks 🫡

@BenHaskell 4 жыл бұрын

Just one thing... Mineral oil isn't really "nasty stuff" imo. If it was, it wouldn't be what they use to make baby oil...

@ruez2kill 4 жыл бұрын

Sure it isn't, but he is not using a mineral oil per se, he has some sort of a solution based on mineral oil. While mineral oil is ok, that other stuff might not be... he doesn't want it under his skin, I wouldn't either... would you?

@BenHaskell 4 жыл бұрын

@@ruez2kill fair point it's not pure mineral oil, Shimano stuff does have about 3% additives (magura doesn't) but it's still not even close to the same league as DOT brake fluid like SRAM uses. If you get some on you, it's no big deal - just wash your hands when you're done. Very few liquids associated with cycling tend to be "nasty" fortunately (the ones in the bike anyway!)

@patrickparisienne1917 3 жыл бұрын

He means mineral brake fluid, not oil. Mineral brake fluid has been used in cars forever, DOT approved brake fluid for cars is what you want

@BenHaskell 3 жыл бұрын

@@patrickparisienne1917 mineral oil used in bicycle brakes is NOT the same thing as DOT brake fluid, very important to understand that. DOT fluid *is* nasty stuff, and one of the reasons I prefer not to use SRAM brakes

@PhoenixT1953 3 жыл бұрын

im a mechanic and i always find it funny when people call stuff like bike mineral oil nasty stuff etc when ive gotten every chemical that goes into cars and machinery on my skin, in my mouth and eyes etc yet am perfectly fine

@jdavis417 4 жыл бұрын

Hey gang, you're hands do NOT come out of vinyl gloves "clean"! They've been soaking in a tepid bath of your own juices and MUST be washed or else... yuk! Oh yes... if someone has put the tools back soiled, you should definitely send them a firmly-worded memo. :( Thanks for the "pro tips", Henry! You are appreciated.

@davidfong4811 11 ай бұрын

Nice trick with the lever reach and free stroke to get more air out.

@l.carroll9076 Жыл бұрын

This is the Shimano brake bleed video to watch, plus all information is best delivered with a British accent.

@Big_Boi23 4 жыл бұрын

Should've done the tutorial without removing the lever and caliper from the bike. 99% of people are going to want to leave it on the bike, and there are some important tips for doing it that way. Good tips on the lever adjustments, though. Should get that last bit of air out needed for a stiff lever.

@leehusher8573 4 жыл бұрын

Awsum video thank you

@cam8001 2 жыл бұрын

Of all the brake bleed vids on KZfaq this is the most helpful one I've found. None of them really seem to start with the the core concept - filling the brake line and level with clean fluid with no air bubbles in it. All the stuff about putting a bag on or doing the little squeeze/open caliper bleed valve quickly is a waste of time in my experience. Henry's approach is the most effective, tidiest, and least hassle. Chur bud, come back to live in NZ sometime @Henry Quinney

@norwegiantroll2480 3 жыл бұрын

Henri, you are so nice. The best in the channel

@JK-ki7yv 4 жыл бұрын

Thank you

@markmccall6273 Жыл бұрын

I always clean my pad surfaces too before replacing them. And if they're glazed (shiny) I give them a light sand with some really fine sandpaper.

@TheDasplumber1 Жыл бұрын

This guy's like the Gordon Ramsay of bike maintenance. Brilliant!

@philipwoolgar2011 3 жыл бұрын

massively like the real time. What do you clean your tools down with? and also what do you clean the master cylinder and lever with?

@hunterwright386 3 жыл бұрын

I solemnly swear Henry has magic powers

@danjones2838 4 жыл бұрын

“Bleeding a Shimano disc brake system AMSR”

@AzharKhan-rh6us 6 ай бұрын

great thanks

@DashesGamingWorld 4 жыл бұрын

Thank you for the great video! First time bleeder/installer here! I watched 3 other videos, then did the bleed on new shimano m8000 levers. After installed, the brakes felt like they were too mushy and maybe 50% of what they should be. Today I found your video, and messing with those two adjustments... the free stroke & the other nob that adjust lever reach made all the difference. Now I have brakes again!

@mikethebike5014 4 жыл бұрын

Nice as I need to do my brakes put when im cleaning the brakes I always clean the pads as well by rubbing the pads together with a bit of washing up liquid and it works superb as long as you wash all the washing up liquid off the pads and you put a bit on but the whole bottle lol

@rebeltr0users131 3 жыл бұрын

Haha so cool how you throw Doddy under the bus for the sake of a laugh! :D Legend

@patrickwalsh6240 3 жыл бұрын

Sometimes a little bit of OCD is a good thing lol. Great video, very helpful

@druckerman247 3 жыл бұрын

I bleed from the caliper, pulling fluid from the bucket at the brake lever, and gravity helps pull the bubbles down. This is the motor trade technique and it works well.

@MrMarnold6 4 жыл бұрын

Great video, thanks! However, despite talking so much about avoiding contamination you forgot to wipe off the big puddle of fluid that was all over the lever after you put the screw back in.

@tillsy23 3 жыл бұрын

Nice tutorial, I downloaded the shimano pdf on brake bleeding and they say to bleed caliper to lever like you have done but then to bleed lever to caliper too

@camperhonsa8633 4 жыл бұрын

Awesome, could you do this for SRAM? It’s loads more confusing

@silentsnipercbdk 4 жыл бұрын

@@jozzaaa check out Sram's official video. It's excelllent. kzfaq.info/get/bejne/erikYKaBl9KYZ2g.html But there's no way around the Bleed kit (Sram bleed kit standard / professional with bleeding edge port). I use jagwire's pro bleed kit for dot systems. Also note that you don't need to buy Sram's overpriced dot fluid, any dot 4 or 5.1 (not 5!) for cars etc. will do. I typically use Liqui Moly dot 5.1

@rupedog 4 жыл бұрын

They did already. But yes SRAM/RS have great videos and manuals for all servicing on their website

@stevecrump1375 4 жыл бұрын

Just swap it out to shimano. ..Fixed 😃

@drmoynihan 4 жыл бұрын

@@stevecrump1375 I have ridden both hydraulic and mechanical and I am staying with my mechanical disc brakes.

@heavyfuzz9675 4 жыл бұрын

Steve Crump that I’m doin’ soon.

@Ceetvair 4 жыл бұрын

Remember to check if the o-ring comes off with the little bolt on the lever.. same goes for the one on the bucket that you screw into the same slot.

@dryter 3 жыл бұрын

Man, I need to improve my methods. Absolutely no excuses.

@dawbool9552 11 ай бұрын

Excellent video, thank you! I share very much your fear of contamination. I too wash everything thoroughly before I begin to touch, service or repair any bike or other devices. I am more or less a novice in servicing hydraulic brakes, thus I would very much like to have your opinion on the following: What is the advantage of bleeding with the help of a syringe over bleeding with the help of gravity? Thanks again!

@manneblask 4 жыл бұрын

Good guide, but I'm missing the step when after flushing oil through the caliper to the lever, tightening the nut and removing the syringe. Then connecting a new tube to a bag and opening the nut again to let air trapped in the caliper escape as the fluid goes backwards. I think this is really important for back brakes which are more difficult to get all of the air out.

@michaelsutton2000 4 жыл бұрын

Excellent video, but what is the difference between this oil and the hydraulic oil from a bike shop?

@veganath Жыл бұрын

Newbie, thanks great info, but why is this bleeding procedure necessary & how often is it done?

@iamcyberpunk68 Жыл бұрын

I liked the video a lot the lever tricks were awesome.

@TheDustyShredder 4 жыл бұрын

Just recently got some chain oil contamination on my motorbicycle's rear hybrid hydro. I should really hit it with some alcohol, I guess. There is no such thing as being too afraid of contamination. My brake completely stopped working cause of it.

@AngryPirate0 3 жыл бұрын

Great video. One thing, mineral oil isn’t harmful to humans. The DOT oils are, that SRAM uses. This is one of the biggest benefits to servicing Shimano vs SRAM.

@fuddyduddy306 2 жыл бұрын

I’m a big fan of Henry but I also have the feeling he sits down to take a wee

@nonleaguematters8087 3 жыл бұрын

Think I learned more about cleaning and being clean and not contamination rather than bleeding brakes

@loganhouck5270 Жыл бұрын

No way it’s my favorite pink bike host

@jerryatrix9014 3 жыл бұрын

May I ask what you use to clean the syringe and funnel? Cheers!

@jurijblazin7835 4 жыл бұрын

Nice video! One question. I have "new" MTB with Shimano BR-MT400. I noticed that brakes are braking all the time (a little bit). I was on the road with the bike 4 times (always nice weather). Any idea how to make more gap between disk and pads. This problem is only with the front brake.

@alejandrocaimarimitchell9402 3 жыл бұрын

very good video , im spanish and i had feww problems to entherstan but ok

@KL-bq5nt 4 жыл бұрын

Could you make one of these for Magura brakes?

@TravelWithLinAndBilly 4 жыл бұрын

0:40 at this point I gave up a took my bike to the shop.

@sutikareoluwagbenga1272 3 жыл бұрын

I think the trick for something like this is to view several demonstrations of the same brand and model and feel secure in having finally understand the process. At this point I at least have a very good idea of what has to be done. I'll continue to view more of these informative videos and compare notes.

@ronwilli1 4 жыл бұрын

I would suggest links to a web site where we could buy the proper tools and supplies for repairing/maintaining our bikes.

@greyfox2347 3 жыл бұрын

Good stuff... Other than your west life and manicure Soundbites.. I'm sure you can do that hydraulic bleed procedure a lot quicker too, just like a early 19th century blood transfusion..😊