The better (and easier) way to bleed Shimano brakes | Syd Fixes Bikes

Тәжірибелік нұсқаулар және стиль

Brake bleeds might seem like magic, but they're pretty straight forward if you have the right tools. Here's the method that a Shimano race mechanic taught us that's both better AND easier that the standard syringe method.
What you'll need:
Shimano bleed kit:
Shimano mineral oil (brake fluid): bit.ly/3kDFOSy
Allen keys: bit.ly/3jF9MnY
Paint pen: amzn.to/2TpCL4u
Shop towels: amzn.to/36tvFnd
Brake cleaner: bit.ly/2Tvpzen
Other things in the shed:
Our toolkit: bit.ly/337LfDf
Work stand: bit.ly/3sekMPO
Tool pegboard: amzn.to/3mTYlLY
Syd's apron: amzn.to/345MbHz
00:00 Intro
00:24 What you'll need
00:48 Why should you do this?
01:46 Why gravity bleed?
02:38 Gravity bleed setup
05:18 Gravity bleeding Shimano brakes
09:27 Cleanup
10:11 Finishing up
11:25 How to do a gravity bleed in one minute
These links are affiliate links which means we get a small percentage of the sale! The price stays the same for you, but you can support our channel by purchasing through one of these links :)
If this video was helpful and saved you time and/or money, consider supporting the channel:
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Or hit the "Thanks" button above to leave a tip
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Пікірлер: 1 000

  • @sydfixesbikes
    @sydfixesbikes Жыл бұрын

    If this video was helpful and saved you time and/or money, consider supporting the channel by hitting the "Thanks" button above to leave a tip.

  • @pmcnic7
    @pmcnic73 жыл бұрын

    I recommend watching the park tool video on cleaning and lubing the pistons before you push them in

  • @biggaywizard
    @biggaywizard3 жыл бұрын

    I'm a retired pro race mechanic, we used to clean the pistons with rubbing alcohol before pushing them in to ensure that the seals and pistons don't get marred or damaged from all of the schmutz on the dirty pistons. Then we would cotton swab the piston with mineral oil/dot fluid before pushing them back in so as to ensure that the piston is properly lubricated when you engage the brakes again. I realize that this is a little over kill for some, but I'm a really big fan of being able to stop on a dime when I need to. Fun video! Thank you for making it!

  • @sydfixesbikes

    @sydfixesbikes

    3 жыл бұрын

    Great tip!

  • @biggaywizard

    @biggaywizard

    3 жыл бұрын

    @@sydfixesbikes thank you!

  • @keacoq
    @keacoq2 жыл бұрын

    Good channel. By having actual work done by Syd (who acts as a beginner, but who is evidently no longer a beginner) the videos show how to deal with the difficulties commonly faced by a beginner.

  • @davesmith2910
    @davesmith2910 Жыл бұрын

    It’s Christmas and I wanted to say what a great help all your videos have been to me learning how to fix bikes. Forget the nit pickers these tutorials are excellent. Keep up the good work!

  • @im823
    @im8233 жыл бұрын

    Most excellent tutorial. Puts others to shame. Very well explaining and simplifying. I did my first ever bleed with your guide in 30 min. THX

  • @dbfcrell8300
    @dbfcrell83003 жыл бұрын

    During a gravity feed, you should also flick the brake line with your finger to free up any air bubbles that are stuck in the line. The lever should be flicked too, not just pumped, but be sure not to introduce any air into the system.

  • @pentiuman

    @pentiuman

    2 ай бұрын

    Reminds me of the action of flicking a medical needle to remove air bubbles before an injection. But I don't know if that's necessary, or good, or just a movie stunt.

  • @philklepka6933
    @philklepka69333 жыл бұрын

    As a newbie to bike maintenance, i love these videos!! You guys are awesome thank you Syd and Macky!!

  • @BikeSeatPhilosopher
    @BikeSeatPhilosopher Жыл бұрын

    These are the best how-to videos -- thorough yet fun and simple.

  • @bmxnryan
    @bmxnryan3 жыл бұрын

    Thought I needed a full brake bleed and went through this whole video to find out that I only needed a lever bleed, which was so cleverly plugged! This channel has me stoked to start wrenching on my bike myself!

  • @saulfernandez8876

    @saulfernandez8876

    Жыл бұрын

    Interesting...what is a lever bleed?

  • @Ozqu

    @Ozqu

    Жыл бұрын

    @@saulfernandez8876 Screw in the cup (with mineral oil inside it) into your lever, then press your lever till theres no more air bubbles coming out

  • @Bxin718

    @Bxin718

    Жыл бұрын

    @@Ozqu but how does air even get into the brake system in the first place?

  • @Ozqu

    @Ozqu

    Жыл бұрын

    @@Bxin718 Faulty seals, loose screws and when your brake pads wear down, you need more fluid to fill in the void it creates

  • @topochicomineralwater1450

    @topochicomineralwater1450

    10 ай бұрын

    ​@@Bxin718Removing your real wheel.

  • @gvv1mhh
    @gvv1mhh2 жыл бұрын

    You guys are awesome. I’ve never done a bleed before and you made it easy to follow along. I specially love the recap at the end.

  • @alisterbaker-lowe

    @alisterbaker-lowe

    10 ай бұрын

    Did it work?

  • @greengonzonz
    @greengonzonz21 күн бұрын

    Thank you. You guys are actually awesome. I feel like I've literally watched dozens of maintenance videos that have left me with more questions than answers. Your videos are so complete 👍

  • @seanlenihan2444
    @seanlenihan24442 жыл бұрын

    Thanks Syd..... Your video is by far the best I've seen. Did my first bleed this morning and worked a treat. Cheers all the way from Australia 🐨

  • @CaliradoKid
    @CaliradoKid3 жыл бұрын

    This is quality in every sense of the word. Great work on this video! Look forward to watching more.

  • @gerryfrancis3350
    @gerryfrancis33503 жыл бұрын

    I love this because someone is explaining what's going wrong rather than some genius saying just do xyz and you're done!

  • @tazcampbell
    @tazcampbell Жыл бұрын

    Great video with simple, easy to follow instructions. Gave me the confidence to do my own brakes on my mountain bike with great success! Thank you for taking the time to make this.

  • @kazenokami5133
    @kazenokami51332 жыл бұрын

    Dropped my brake piston out of my caliper by accident and was forced to bleed the brake on my own since I wanted to go out for a ride and this method actually worked insanely well. Thanks. :D

  • @mtbandenath
    @mtbandenath2 жыл бұрын

    This is by far the best and my most favorite bike repair channel. Everything I have repaired after watching this goes really well. Great content!! This video was awesome! Thanks. :-)

  • @RDB2020
    @RDB20202 жыл бұрын

    Also, before you bleed this is the best time to clean the caliper, push the pistons out slightly and rub mineral oil around the pistons to lubricate the piston seals.

  • @HedoBum

    @HedoBum

    10 ай бұрын

    Just watching this vid through autoplay and I was thinking the same thing....if the pistons are sticking out, might as well clean them. Use the same fluid you're using for hydro and rub them around with a Q-tip to get extra grit off and lubricate the seats.

  • @vijayanchomatil8413

    @vijayanchomatil8413

    5 ай бұрын

    wouldn't that attract dirt?

  • @mikeburgh3956

    @mikeburgh3956

    3 ай бұрын

    ​@@vijayanchomatil8413great question!

  • @infrasmog
    @infrasmog2 ай бұрын

    Having the 1-minute summary after the detailed instructions is very helpful. I followed your method and it worked great. Thank you 😚

  • @beerenmusli8220
    @beerenmusli82202 жыл бұрын

    This is my go-to-video if someone asks how to bleed brakes. Thank you so much!

  • @ChadLudlow
    @ChadLudlow3 жыл бұрын

    Looking forward to the next video, keep it up! thanks you two!

  • @subliminalcpd
    @subliminalcpd2 жыл бұрын

    Great video however, id like to share a word of caution! Dont force the pistons back on a Shimano brake without removing the lever oil cap. There is a equalization bladder in lever that can rupture and this is not repairable to the best of my knowledge. Iv ruined 2 XT levers in this way before I realized what had happened.

  • @forestkan6653

    @forestkan6653

    2 жыл бұрын

    This happened to me! Never again!!!

  • @SaffaGreg

    @SaffaGreg

    2 жыл бұрын

    How did you know you’d ruined the lever? Did it stop working altogether?

  • @forestkan6653

    @forestkan6653

    2 жыл бұрын

    @@SaffaGreg Whenever there was a bleed block or when pressure was applied to the lever, there was an instant release which shot fluid out of the master cylinder hole.

  • @bonanzabiker

    @bonanzabiker

    Жыл бұрын

    Thanks for this!

  • @Pzifylshi

    @Pzifylshi

    Жыл бұрын

    Same happened to me on a pair of old avids. Now it's Shimano slx though. Way easier. I'd recommend rupturing the bladder on any brakes using dot fluid so you can switch over to brakes that use mineral oil if you need to reason this to your spouse

  • @steveharris5526
    @steveharris55263 жыл бұрын

    One of the best videos I’ve seen on this topic. Awesome job.

  • @tedraederphyton2544
    @tedraederphyton25443 жыл бұрын

    After waiting for my Shimano bleed kit, today I finaly did it :) I was searching for exactly your Video because I bought a used Bike and the old owner messed up a little bit to much. I was hopeing to see a different collor coming out and here we are - it was something like "babyoil". Thank you so much for your help, keep on going - best regards from germany :)

  • @herculesmclovin
    @herculesmclovin3 жыл бұрын

    Tip: the black handle thing on the syringe tube? Well once you have the tube connected to the bleed port, you slide the little black handle thing down the tube towards the caliper, then a final push onto the end of the tube (where it is connecting with the bleed port) and Ta Dar, it's keeping the tube and bleed port firmly connected 👍 Bonus tip... it can then also be used as leverage to nip-up the bleed port nut for disengaging the tube. Then you can torque the bleed port nut properly once your hands aren't tied up 👍 Super bonus tip... if you're working on a customer's bike, I'd strongly suggest using an open spanner and not an adjustable (as used) - no worry of rounding the nut or/and slipping and scratching parts.

  • @jayknibbs8413
    @jayknibbs84133 жыл бұрын

    Great vid.. often an over complicated process, Iv been working of motorcycle brake systems for years and find system rebuilds a total joy.. therapeutic!!! Would just like to point out that the bleed port is located at the master cylinder (brake lever) end... the 8mm on the calliper is commonly known as the Nipple... true that !!

  • @roberttill3787

    @roberttill3787

    Жыл бұрын

    Its called a nipple for the same reason a grease nipple is called a nipple. Its because.......... it looks like, well,...... a nipple.

  • @lawrieflowers8314
    @lawrieflowers83142 жыл бұрын

    Thanks so much for posting this - it works exactly as shown - and makes things MUCH simpler!

  • @vijayanchomatil8413
    @vijayanchomatil84135 ай бұрын

    Thank you for this instruction. This is the best most simple one that I've seen!! I've just watched 3 or 4 of them this one is by far the best!

  • @BigJackxxx
    @BigJackxxx3 жыл бұрын

    Thank you! Watched a few videos even the big names and this was the most useful!

  • @whitenoisechannel3724

    @whitenoisechannel3724

    3 жыл бұрын

    Same

  • @ShakeNShred
    @ShakeNShred3 жыл бұрын

    Some helpful hints in there, guys. Should speed my process along the next time I do this. So far, I've used the syringe, but this should eliminate that frustration. I'd also mention that this is a good time to check the brake lines for kinks and damage, so you can replace them if needed. Also, tapping on the brake line with a small wrench or something helps free up air pockets.

  • @aegisgfx

    @aegisgfx

    8 ай бұрын

    The syringe method looks a lot easy than this if you ask me

  • @adamschreiber1140
    @adamschreiber11403 жыл бұрын

    Thanks for the clear, simple instructions. First time doing it and it worked a charm!

  • @nachisstudio5947
    @nachisstudio59472 жыл бұрын

    Best video on the subject I've seen so far. Thanks for posting!

  • @wallieeverest7695
    @wallieeverest76953 жыл бұрын

    Instead of Brake Cleaner spray, consider Mass Airflow Sensor cleaner. It's more compatible with seals, plastic parts, paint, etc. Thanks for this very helpful gravity feed technique!

  • @vijayanchomatil8413

    @vijayanchomatil8413

    5 ай бұрын

    Just use isopropyl alcohol. It is always around in bathroom cabinets.

  • @ptt3975
    @ptt3975 Жыл бұрын

    Pro Tip: Leave the cup on as you remount the tire, carefully so that your last pump will have access to fluid and even maybe a few bubbles.

  • @aldomaresca9994

    @aldomaresca9994

    8 ай бұрын

    great tip btw

  • @lionelcook8522
    @lionelcook8522 Жыл бұрын

    Thanks for this, never considered a gravity bleed before. Used this method on a new install a couple of days ago, worked a treat.

  • @funky-phantom
    @funky-phantomАй бұрын

    Just gave this a go. First time bleeding my brakes. Worked a charm. Thank you.

  • @senorspiegel
    @senorspiegel3 жыл бұрын

    Very smart to have a quick recap at end, keeps you from having to go back and hunt for a spot in the video if you need a quick timeline. Good work y'all!

  • @gideondejong1610
    @gideondejong16103 жыл бұрын

    I’ve bled my SLX’s this afternoon, worked like a charm! 😃 Before the gravity bleed I’ve did a lever bleed because I didn’t want to push the trapped air further down in the system. After I didn’t see any bubbles any more appearing in the cup I’ve did the gravity bleed.

  • @eldowning
    @eldowning2 жыл бұрын

    Great vid, super clear instructions! Followed this and nailed it on the first attempt. Thanks for this!

  • @RequisiteSkyPeople
    @RequisiteSkyPeople2 жыл бұрын

    Fantastic video. All the others are so confusing. I like that it was explained with mistakes and like you were being taught at the same time. ✌🏻

  • @roberttill3787
    @roberttill3787 Жыл бұрын

    Another tip. Once you have the bucket connected to the lever, slacken the clamp off, jiggle the lever out of vertical, but not too far, and once you tighten the lever, jiggle that too before gravity bleeding. This usually expels any air in the lever, which you dont want when bleeding. You will see it rise in the bucket of fluid as it escapes.

  • @GNX157
    @GNX1573 жыл бұрын

    Finally someone who bleeds their brakes like I do. I’ve done this from the start, and similarly for automotive when I don’t have a helper. My tips would be first, get a tool called the Clam, made by Birzman. Helps with setting caliper up on rotor. Also, when reattaching the caliper and centering, you want to initially lock the caliper down with the rotor in the theoretical middle of the opening where the pads will be. These calipers are not full floating, so it is possible as the pistons extend back out, it won’t happen exactly equal (one may drag a bit more than the other), and the rotor flexes and caliper moves if loose, so that may not be enough to stop the one extending too much before the other. So basically with the rotor locked down this may have a better chance of happening equally, but ultimately you want to look down into the caliper and assure that both pistons have extended out equally and that your caliper sits over the rotor centered. If not you’ll have to force one back into the caliper and re-center. Then use the Clam to get a final centering with the proper gap between pad and rotor.

  • @gjavo6400
    @gjavo64007 ай бұрын

    Thanks, your video has been very helpful for me as starting bike DYIer with a modern bike. I second keeping your fingers away from the spinning rotor, in a moment's notice I helped myself to a nasty gash while trying to adjust the caliper manually. I will now use your tips from that video as well!

  • @danielmagoon1998
    @danielmagoon19982 жыл бұрын

    Syd you should not be surprised about your "You Tube" success. Your knowledge and skill are valued very much. But your beauty keeps bring me back. Daniel

  • @hannahisraelsen8837
    @hannahisraelsen88373 жыл бұрын

    Brake bleeding has been a mental block in my bike maintenance, I can do many repairs but have been afraid of this one. This video def gives me more confidence to give it a go, thanks Syd and Macky

  • @swandrewone

    @swandrewone

    3 жыл бұрын

    Got a new brake set this summer and never trimmed the cables until today. Give it a go its not all that hard.

  • @OptimusSatanas

    @OptimusSatanas

    Жыл бұрын

    Its actually one of the easier things to do so long as you have the proper equipment like a stand and dont get the wrong type of fluid. The only real other "dangers" are things like cutting lines too short if you are replacing them, getting fluid on your brake pads or discs, and/or leaving air in the lines. Its hard to damage something in general.

  • @VolvoSurfer
    @VolvoSurfer3 жыл бұрын

    Great video! But... please do not use an adjustable wrench. It is the worst tool ever. Instead use a proper open end wrench (6/7/8 mm depending brak caliper.) Keep up the good work! I actually learned that a gravity bleed is easy.

  • @temporary_terpenes

    @temporary_terpenes

    3 жыл бұрын

    No kidding!

  • @rollinrat4850

    @rollinrat4850

    2 жыл бұрын

    I ground down a 7mm box wrench so it's thinner, then it fits and stays on the bleed nipple with the hose attached.

  • @joekitchell8509

    @joekitchell8509

    2 жыл бұрын

    If it can't be fixed with an adjustable spanner and a hammer, it can't be fixed.

  • @mikegray1358

    @mikegray1358

    2 жыл бұрын

    @@joekitchell8509 Sure it can! Wrap it in Gorilla tape!

  • @janb3938

    @janb3938

    2 жыл бұрын

    a high quality adjustable wrench is a fantastic tool

  • @AlwaysDrawing2012
    @AlwaysDrawing20123 жыл бұрын

    This was such an awesome vid. Thanks, Syd!!

  • @kingerz
    @kingerz2 жыл бұрын

    Thanks SO MUCH for this great video. Installed new XT levers with no syringe or any of that nonsense thanks to you!

  • @Erdnav27
    @Erdnav273 жыл бұрын

    Great. This is basically how I bled the brakes on my cars for 40 years or so.

  • @jeffem55
    @jeffem553 жыл бұрын

    This is BY FAR the best bike repair/maintenance channel on KZread. I feel like I’m learning right alongside Syd. Better than Park Tooks as well...

  • @caylanwojciechowski8233

    @caylanwojciechowski8233

    3 жыл бұрын

    It’s cool because it’s real. Most Park or maintenance instructional videos make it look so easy every time and it never is haha

  • @biggaywizard

    @biggaywizard

    3 жыл бұрын

    Park tools has gotten not only lazy but out of touch of what it's like to work on the front lines of bicycle repair. While I love some of their tools and videos, I've found their tools simply aren't as well made as the tools I bought twenty years ago. I find their tools round out much faster now, don't look as good and don't feel like real professional tools like you would find in pro shops in Europe. It's frustrating that in the States they are the industry leader.

  • @OYeahan

    @OYeahan

    3 жыл бұрын

    @@biggaywizard interesting. So what are some professional tool brands found in Europe?

  • @si3gnal
    @si3gnal2 жыл бұрын

    Yooo!!! Thanks, that wasextremely helpful!! Saved to my MTB maintenance list IMMEDIATELY. Preciate ya, Syd!!

  • @RodZamora_is_the_best
    @RodZamora_is_the_best3 жыл бұрын

    These are really instructive. Thank you Syd and friend!

  • @hjohn2
    @hjohn23 жыл бұрын

    Pro Tip #1: Unscrew the free stroke adjustment screw on the lever while bleeding. VERY important on Shimano servo-wave levers. Pro Tip #2: Use a wrench (NOT a crescent) on the caliper bleed nipple.

  • @peterhlinka4789

    @peterhlinka4789

    3 жыл бұрын

    Yasss! We don't use C-wrenches. Ever. (unless you're a lampy working a show)

  • @roddas26

    @roddas26

    3 жыл бұрын

    Pro tip No.3 use a 10mm "ring spanner" with the ring/round end to force the pistons back into place. Remember even pressure is best, you may have to go side to side, corner to corner. Some pistons will be stubborn, be careful not to crack them or chip the piston. Some are more brittle than others. Good luck.

  • @hjohn2

    @hjohn2

    3 жыл бұрын

    @@roddas26 You make a good point as to not use anything with a sharp edge like a screwdriver or allen key. Plastic tire levers (like Pedros) are my preferred tool to retract calipers.

  • @roddas26

    @roddas26

    3 жыл бұрын

    @@hjohn2, Pedros are proper for sure.

  • @TheButlerNZ

    @TheButlerNZ

    3 жыл бұрын

    even better, a single hex ring spanner so there is the least chance of rounding off the bleed nipple. There is a reason a lot of us mechanics call a Crescent wrench a Nut F..uhhhh... fudger ? hmmm I'm sure it wasn't fudger.... Useless fact... the adjustable wrench is called... well its an adjustable wrench... "Crescent" is a brand that has become synonymous with the device, a bit like Weed-Eater Jet-Ski or even Onesies... (yes all actually brand names, not the actual name of the product).

  • @sydfixesbikes
    @sydfixesbikes3 жыл бұрын

    HOT TIP: Many people have mentioned in the comments that it's better to connect the funnel to the lever BEFORE pushing the pistons so there is a place for the oil to go (into the funnel).

  • @johna7075

    @johna7075

    3 жыл бұрын

    Or better, attach the tubing and open the caliper bleed nipple before pushing the pistons back. Why push the filthy fluid back into the hoses you want full of nice clean fluid.

  • @herculesmclovin

    @herculesmclovin

    3 жыл бұрын

    Also importantly do not push the pistons until you have cleaned them, otherwise you are potentially pushing dirt into the caliper.

  • @seitenryu6844

    @seitenryu6844

    3 жыл бұрын

    Your video really makes this seem approachable. Also, not many manuals mention "flushing" the system with fluid. That's when the syringe is crucial. There will still be gunk in the lever and caliper otherwise.

  • @LAMADREQUETEPARIO19

    @LAMADREQUETEPARIO19

    3 жыл бұрын

    If you are so kind, please subtitles in Spanish, thank you!

  • @LAMADREQUETEPARIO19

    @LAMADREQUETEPARIO19

    3 жыл бұрын

    If you are so kind, please subtitles in Spanish, thank you!

  • @nicholasnepveu7907
    @nicholasnepveu79073 жыл бұрын

    Awesome and helpful video! You two are doing a great thing!

  • @rajatanpacelana
    @rajatanpacelana2 жыл бұрын

    Yes finally.. I am not the only one that do that like you guys do... a retired airplane mechanic told me to use the gravity for bleeding the brakes it save much more time instead using the sringe pushing the mineral oil up wich also pushing the dirt up. thank you for reasuring me that gravity bleeding is another way to do that... Guess what you got another subscriber now..

  • @sydfixesbikes
    @sydfixesbikes3 жыл бұрын

    In honor of hitting 10k subscribers today, we're posting a second video this week!! Thanks so much to all of you for the love you have shown this channel! You are the best and we are stoked to keep the videos coming ☺️

  • @NDemanuele1
    @NDemanuele13 жыл бұрын

    It seems pretty straight forward, but it does make me nervous to try! I think my front brakes need to be cleaned because they do squawk a bit. I really like the attention to detail in your vids. You guys explain well and then do a recap at the end! Very professional!! You got a new subscriber!...LOL.

  • @AdrianoCasemiro
    @AdrianoCasemiro16 күн бұрын

    The presenter, sydfixesbikes, is making me a DIY bike mechanic of some sort. Thanks, now I can bleed my own brakes.

  • @basicwrc
    @basicwrc2 жыл бұрын

    Big fan of your show, keep up great work!

  • @AdarColussi
    @AdarColussi2 жыл бұрын

    very nice video! I worked in a bike shop for a while, and this is important stuff to know for the average rider ;) One thing I'd recommend is instead of using a marker, use a piece of masking tape from the shifter to the brake lever, and just cut it, it'll mark the location without leaving a mark ;) I got my bike once with a line like that, and it made me furious because it was a permanent marker.. I also got to see the other side as a customer was furious at me for doing the same thing.

  • @dennisdownes9319

    @dennisdownes9319

    Жыл бұрын

    So true!! DD

  • @xour_yt
    @xour_yt3 жыл бұрын

    Loving your content guys! Any chance to get a 101 maintenance? Like, the basics after a ride.

  • @davemas70
    @davemas704 ай бұрын

    Tried this today for the first time. Worked spot-on! Thank you Syd. I did a lever bleed first with the bleed blocks in to get the air out of the line, then the full gravity bleed. 2013 XTR brakes.

  • @mikeburgh3956

    @mikeburgh3956

    3 ай бұрын

    I guess it makes sense doing the lever 1st so don't push air back into line? Which would make everything worse? Yes im new to hydraulic brakes lol Just received my 1st set today for a build im doing from frame up. So im definitely gonna have to do a lever bleed because I have to shorten hoses.

  • @Scootertheduckshoote
    @Scootertheduckshoote3 жыл бұрын

    Love the channel! I’m new to wrenching on Bikes and new to Mtn Biking. Please keep this content coming, it’s better than what is out there. Any chance a brake service video on SRAM is in the future? May be ready for that in a few months.

  • @Axr24have
    @Axr24have3 жыл бұрын

    Good info and timely for me, I am doing my sram brakes. Regarding recessing the pistons in the calliper, it would be easier to recess them if you release the bleeder valve before you push the pistons in. This allows the fluid in the calliper to displace with the piston. Fluid does not compress and the pistons won’t move if there is nowhere to go. BTW, I have never worked with mineral oil in brakes but it sounds better than using DOT 5 break fluid - which my sram brakes use. ;)

  • @No5holeyo

    @No5holeyo

    2 жыл бұрын

    mineral oil does compress.

  • @_kanasamochodowy_6130

    @_kanasamochodowy_6130

    Жыл бұрын

    @@No5holeyo Liquids are not compressible (this from physics)

  • @No5holeyo

    @No5holeyo

    Жыл бұрын

    @@_kanasamochodowy_6130 you need to study more. Mercury is a liquid and is widely known to be easily compressible. Mineral oil does compress and this ability to be compressed leads to problems in hydraulic systems including losses in efficiency, cavitation, stress corrosion and fatigue.

  • @ogmanlive4128
    @ogmanlive41283 жыл бұрын

    For human safety, wearing some gloves when using brake cleaner and oils will save you a trip to the cancer ward later in life. Great video! Thanks! I've bleed hundreds of Motocross bikes and they have the same issues, you address the process very well! I wondered if there was any PFM for these small units, same process, different size. (PFM = Pure Freaking Magic). I subscribed as I'm upgrading an old 96 Diamondback...trying to upgrade to Disk and your presentation is very good.

  • @ratandjmt
    @ratandjmt10 ай бұрын

    Thanks for the video. The gravity bleed seemed to help my brakes. I had a couple small flecks in the oil after completion.

  • @miah5029
    @miah5029 Жыл бұрын

    Hi Syd and Macky, thanks for the videos your channels are great

  • @TrailFeatures
    @TrailFeatures3 жыл бұрын

    I recently learned this technique and it was how I finally chased out an air bubble that I had been battling for days. I will never use a syringe again.

  • @temporary_terpenes

    @temporary_terpenes

    3 жыл бұрын

    Feel free to use a syringe. Shimano directions include pushing fluid up through until clean and letting clean fluid flow back in afterwards. Finally they suggest tilting the brake lever up and down while pumping to get bubbles out of the lever. It doesn't take much longer than in the video to perform all the steps

  • @TrailFeatures

    @TrailFeatures

    3 жыл бұрын

    @@temporary_terpenes Tried all that multiple times. Gravity bleed was what finally got it.

  • @temporary_terpenes

    @temporary_terpenes

    3 жыл бұрын

    @@TrailFeatures Yeah but what I'm saying is that a gravity bleed is part of the standard shimano process. First push up with the syringe, remove the syringe put the bag on, then let the fluid into the bag until no bubbles are found, then do the lever-pump-burp. All standard. By skipping any one segment you're only covering so many bases.

  • @johnverrios3944
    @johnverrios39443 жыл бұрын

    put in some old brake pads and then use a screwdriver to push the pistons back

  • @bertsteenbergen6729
    @bertsteenbergen67292 жыл бұрын

    Extremely useful video!!! I like the summary at the end!!

  • @Zoldran
    @Zoldran3 жыл бұрын

    ISO alcohol (99%) is a better choice to brake cleaner... won't strip the paint off your frame or caliper. I'd also suggest leaving the hose on until the bleed screw is tightened to make sure you don't let any air into the system. Definitely use a proper wrench and not an adjustable wrench too.

  • @Meekerextreme

    @Meekerextreme

    Жыл бұрын

    Yeah that adjustable wrench told me they don't wrench on stuff...LOL

  • @bmxscape

    @bmxscape

    Жыл бұрын

    @@Meekerextreme to be fair an adjustable wrench has the advantage of a tighter fit than a regular open end wrench but nothing beats the box end wrench

  • @NeelsWorld

    @NeelsWorld

    11 ай бұрын

    Isopropyl alcohol I guess.

  • @kmst12
    @kmst123 жыл бұрын

    Love your channel. Its like a free online class🤗👍🏽👍🏽👍🏽

  • @ericramin1576
    @ericramin15763 ай бұрын

    I just did this, perfection. love the gravity method, thanks

  • @stamy1
    @stamy13 жыл бұрын

    Do not push the pistons back until you open up the bleed screw on the lever. Pushing the pistons forcefully back while the system is closed is a great way to crack them.

  • @mattgies

    @mattgies

    3 жыл бұрын

    If this happened to you, then your system was probably overfilled by being bled without resetting the pistons first. The lever has a diaphragm that automatically collapses as your pads wear down, to compensate for the extra fluid needed from the pistons getting extended. This diaphragm will pop back up when you reset the pistons while the system is closed. However, if it's already up because there's too much oil, then something's gotta give when you push the pistons back.

  • @stamy1

    @stamy1

    3 жыл бұрын

    @@mattgies The overfill scenario is the so called "lever bleed". When you "bleed" a Shimano brake by opening up the lever bleed screw, putting that bucket on filled with oil, then start to pump the lever. Hence this is popular, my advice is just open up the system before forcefully pushing back those pistons. Especially if it is not your brake, you do not know what the owner did to them previously.

  • @OYeahan

    @OYeahan

    3 жыл бұрын

    @@mattgies and what will give is the diaphragm (more like a single-side open ended bladder, really).

  • @martinsanders1246
    @martinsanders12463 жыл бұрын

    you guys skipped an important part. Before the block is inserted. Clean the caliper out of all dirt, then with a cotton swab, dip it in mineral oil, and run it around the piston to clean again, and lubricate before pushing the piston back in. By not doing this you will compromise the brake before its time, by introducing dirt into the system. This was taught to me by Shimano. Yall should update this video. Holla if yall need any advice. :)

  • @IverKnackerov

    @IverKnackerov

    Жыл бұрын

    Don’t put mineral oil anywhere near your brake pads … that’s a fabulous way to ruin your pads and potentially your discs

  • @jacobclark89

    @jacobclark89

    Жыл бұрын

    , Do you use a cleaner first ? I would recomend to first use soap and water and a tooth brush or maybe simple green then spray with water let dry then lube the piston then compress then wipe away any excess oil then wash agin . but since my seals dont go bad in years and still compress easly I think I will consider pros vs cons of lubbing the seals .I really think the pistons shuld be upgraded , I think the stock ceramic pistons are abrasive to the seals , I upgraded my pistons and have just been cleaning the caliper with brake cleaner ive done many brake pad changes without lubing the pistons with no issue , I will just toss in some new seals every few years, its only like a ten or fifteen minute job when you know what youre doing .I would consider upgrading the plastic brake lever piston to titanium , if youre model is upgradable .

  • @XCBen
    @XCBen3 жыл бұрын

    Ha, I just found out that you two have a new channel! Nice! This is one of the things I really need to learn. Along with adjusting my derailleur.

  • @sydfixesbikes

    @sydfixesbikes

    3 жыл бұрын

    Welcome!

  • @vincyboy999
    @vincyboy9998 ай бұрын

    I love the recap at the end :)

  • @ViperSRTnACR
    @ViperSRTnACR3 жыл бұрын

    Video on simple Shimano bleed: SRAM brakes have left the chat

  • @aidaan5393

    @aidaan5393

    3 жыл бұрын

    hi,are you intersted in review ?

  • @freerangemtb
    @freerangemtb3 жыл бұрын

    Dude! You're making me want to go work on my bike! You're also making it all look easy! Hey, do me a favor, when y'all get to installing new forks, will you do a good detailed job of explaining all about the headset? Like, how to tell what size yours is, and how to translate from old measures to the new standards? Also the difference between integrated cups and non-integrated?

  • @guidovankemenade2564
    @guidovankemenade2564 Жыл бұрын

    Very useful video. I have a perfectly working rear break now !!

  • @tac1058
    @tac105817 күн бұрын

    great team, great video - you made bleeding brakes look like fun!

  • @GregLanz
    @GregLanz3 жыл бұрын

    How to tell if your Shimano brakes need to be bled? They start to feel like sram brakes

  • @wyattspalding1588
    @wyattspalding15883 жыл бұрын

    Nice video! You guys should try out using 99% Isopropyl Alcohol in replacement of the brake cleaner. It doesn't have the same de-greasing properties but is a safer and healthier option. The brake cleaner has some really harmful chemicals in it.

  • @whitedragon101

    @whitedragon101

    Жыл бұрын

    What kind of harmful chemicals? ( I just bought a can of muc off brake cleaner)

  • @TornadoCAN99
    @TornadoCAN993 жыл бұрын

    Been doing gravity bleeds on my motorcycles and cars recently. Works great. No special tools or two people needed.

  • @enduroelite
    @enduroelite3 жыл бұрын

    On a bleed I'll just allow the oil to coat the caliper, that way I lubed and clean the pistons at the same time. I'll even remove the bleed port and look down hole while the oil is coming out you can see all the bubbles. cool video, Thanks guys!

  • @mattdavis3313
    @mattdavis33133 жыл бұрын

    I like the videos, keep them coming. Tip for alternative to marking brake lever location is to use your phone's level app and note the angle of the lever before putting in the stand. Then you can re-set up to the degree pretty easily.

  • @sydfixesbikes

    @sydfixesbikes

    3 жыл бұрын

    Good tip!

  • @KarlenBell
    @KarlenBell3 жыл бұрын

    Should've removed the front wheel too. Any bit of mineral oil that gets on the front brake rotors will cause it to lose power and squeal.

  • @gavinmaloney6773
    @gavinmaloney67732 жыл бұрын

    Love your fantastic tutorials guys ;) Thanks!

  • @ticklefritz5406
    @ticklefritz54063 жыл бұрын

    You guys are the best, period!

  • @wcoastbo
    @wcoastbo3 жыл бұрын

    looking, feeling, smelling, tasting the brown goo... straight out of Cheech and Chong's dog sh!t skit. too funny!

  • @wcoastbo

    @wcoastbo

    3 жыл бұрын

    kzread.info/dash/bejne/l41rvLpvnsq1g9Y.html

  • @richardradcliffe6047

    @richardradcliffe6047

    2 жыл бұрын

    Goes right along with getting brake cleaner all over your bare skin.

  • @Wookey.
    @Wookey.3 жыл бұрын

    That is amazingly dirty fluid for a bike brake. One wonders what the owner has been doing to it.

  • @Windband1

    @Windband1

    3 жыл бұрын

    That's an older Pivot and obvs this person has NEVER flushed their brake fluid....

  • @grcgrcgrcgrc4
    @grcgrcgrcgrc4 Жыл бұрын

    Fabulous. I am going to try that on my TRP's next bleed session.

  • @djb3500
    @djb35009 ай бұрын

    It is really useful to have a non-expert doing the work. Pros tend to skip bits that have a knack to them without even noticing.

  • @michas6840
    @michas68403 жыл бұрын

    Later on you could make video on sram brakes. For me it is impossible to make them braking...

  • @ManNomad
    @ManNomad3 жыл бұрын

    Forgot eye protection (especially around brake spray) and tapping the brake line to release all the trapped air and contaminant.

  • @danielbromley849
    @danielbromley849 Жыл бұрын

    i will try this tomorrow. great video. subbed

  • @josephlivinglife5547
    @josephlivinglife55472 жыл бұрын

    You guys are awesome and very detailed in your bike repair video it easy to follow along, I’m new to your channel thanks 🙏🏽

  • @DRSpalding
    @DRSpalding3 жыл бұрын

    You definitely are not from the PNW. "Goo" on a bike here is almost always slug flavored!

  • @sydfixesbikes

    @sydfixesbikes

    3 жыл бұрын

    😂😂

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