Leaking 3D Printer Hot End Fix!
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- เผยแพร่เมื่อ 25 ธ.ค. 2017
- How to fix a leaking 3d printer hot end. I use this method, it never leaks.
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TLDW: Hot end isn't assembled correctly. Loosen the gap between the nozzle and heatblock to about 1mm, make sure it's not cranked against the block, then tighten the heat brake, then fully snug the nozzle.
tnx for summaring ;)
as an explanation, the presence of the gap itself is inconsequential, what you must have is both elements tight against each other. the gap allows you to do some final tightening on the nozzle end (on subsequent nozzles too), while having visual proof that the nozzle didn't bottom out on the heat block, but on the heat break.
@@calinguga Followup question: If the nozzle sticks out further than 1mm, but still backs onto the heatbreak, why does it still leak?
8:36 "200 and whatever degrees 'science'" lol awesome
OMG... I almost spit out my beer when I heard 200 degrees science. Gotta love American's. ;)
Actually came back here, just to say thank you. Much respect.
I had a good laugh over 500 degrees Fahrenheit 200 some-odd Science. Super helpful video. Thanks!
Dustin! You are the nicest! Thanks for taking the time to share, you answered many questions. The temps and solvents are a great summary.
Thank you for the clear and concise walkthrough. You're right when you said there isn't very much information/tutorials available on this topic. And, my E3D V6 came with zero documentation. No more leaks for me now. Thanks again.
Thanks for this. I not only learned a lot about how my printer works, but I was also able to save what I thought was a damaged hot end. It turns out my Amazon nozzles were different than what came with the printer and leaked for the reasons you show in your video. Good to go now with no more oozing.
Thanks, my ender 3 did this over time and it melted the hot end fan over time, so this is very helpful as its so far cost me some money to fix
You Sir, just saved my day.
In addition to your video, I went a step and heated up the block with a hotair gun and made sure everything is still snug, just to be sure.
9:24 "It's gonna be a short video." Lol! I had patience this time. Once you explained why it was leaking it was a good explanation. Thanks for the video. Also, you did a great job expressing things with your hands, as they were the only thing in the picture.
Thanks a lot for the video - that was exactly the problem I had with my 3D printer. Now that I followed your instructions and fixed it, it's printing better than ever. Thanks and greetings form Germany
Thank you! I've been fighting this exact problem and it's surprisingly hard to find advice on fixing it. The walkthrough of connecting the heatbreak and nozzle was exactly what I needed. Thanks for making this vid
Thanks for this! Bought a new hot end kit, followed these tips, no more leak. You're the best! :)
I'm going to be featuring steps from this video in my eBook - hope that's cool! I'll post a link here when it's published :)
Here's the article link & eBook (as promised) for those of you who'd like a printable copy of this video you can read while trying to fix. ➤ bit.ly/anet-a8-leaking-nozzle
I have been looking for this video for so long!!
This definitely helped me figure out how to put together the heat block for the first time. I'm so glad I never used it before because I did it so wrong it would have been squirting everywhere. I mean, still might, but at least now I know why it might not work. Still trying to wire everything up right now. Great advice thank you so much for this video! I'll agree with FIIK on the excessive length though, it's a struggle to make concise videos, trust me I know, the struggle is real. Keep on making videos. Great camera quality too.
Thank you immensely! I was lost as to what to do: you explained the workings very clearly- I can visualize my way through solving the problem now.
Great tutorial. Really helped me figure out why I was getting leaks!
Mine came like that also. Making a mess... Thank you for all this info. I figured it out on my own but glad you made this still. Mine was also missing a screw
This was very helpful. I have an extruder where there is capricorn tubing (teflon tubing) instead of that metal heatbreak with teflon inside it, and the nozzle bumps up against the tubing. I have probably been cutting the tubing too short, because I was measuring how long it needed to be when the nozzle was threaded in all the way. (no nozzle gap)
Nice! That fixed it. Prints are now flawless! Thanks!
Great video. I always come back to this when I need to fix my hotend!
I understand this video was posted 4 years ago but thank you soooo much! I've had this issue ever since I got my 3d printer (2 months ago) thank you so much!
This was so unbelievably helpful thank you
Thank you so much! You are right, no one else has a video like this that I have seen!
Bro, you’re amazing.
THANK YOU SO MUCH!!!!!!!!!!!!!!!!!!! I have a Tevo Tornado and I had that issue until I watched your video, followed your instructions and PROBLEM SOLVED!! Thanks for sharing !
5 years later this video saved me, thank you very much
thank you for this, i'll admit i was committing this error but glad that you've made this video!
Heya just wanna say this Video helped me a lot through so much frustration. I thought the printer was broken as I did so much adjustments on my 3d printer and have been searching non-stop on how to solve it on the internet and forums. But this one has solved the leaking problem that I had. Thanks!
Thanks a lot for the clear explanation of this issue! That helped me a lot.
Thank you… finally I figured out why my hotend was leaking after I had to replace parts. I wasn't sure how it was supposed to be assembled. Unfortunately my thermistor was broken and the filament was heated up to 310°C instead of 200°C which must have damaged something inside the hot end - maybe the teflon tube.
Thanks so much, this worked great. I also wrapped Teflon tape around the thread on the nozzle and heartbreak.
I was having this issue and there was no gap between my nozzle and the end of the heat block. Mine was delivered that way!! I was getting so frustrated and now I know why! Thanks again!
thank you so much! that was exactly, what i was looking for!
Thanks, this one really helped me. I had to change the heatbreaker and nozzle at the first time, and it started to leak.
dude you rock! thanks for this awesome tutorial. it helped me so much
Thanks for posting this - hopefully I can get my printer fully functional now!
Also: "Two hundred and whatever degrees science!"
Man, thank you so much for the tip! Subscribed.
Thank you. Got my printer 3 weeks ago. Had a clog, changed nozzle. Guess I didnt tighten enough.
Had ooze issue. Wrecked a print because of it.
Anyway. Took my mk8 sorta apart.
Cleaned hotend, new nozzle again and tighten while hot.
Then added bowden coupler but didnt tighten all the way until I inserted tube, checked flush cut first. Then tightened down.
Tested extrusion.
Problem fixed. Fingers crossed.
Thanks for the vid! Helpful!
Thank you for this video! This was very helpful!
"leaking hot end" is rank #1 Dustin. Great SEO. You got a new scriber. Thanks for the video. Although my hot end is different on my i3 Mk2s your video game me the will to take apart my extruder and re-seat the break into the heater block. I was having leaking, it was dripping down onto my print leaving globs that ending up hanging the printer up. Fortunately, I was right next to the printer when this happened and I was able to abort the print. I should have created a video on it. I'm kicking myself that I didn't.
You going to MRRF?
Thanks, changed nozzle and was having leak issues, made all the difference. Test printing now and looking good
I liked your video because of your total transparency on commisions etc, thanks
Transparency from any TH-camr is very important. I am glad you appreciate it!
great video ! i built my 2nd printer now iam thinking about changing my nozzle and the one i got for my mini delta look smaller so i saw your video and was like epic sub !
Brillient vid mate this is just whats happening to my 3d printer rite now thank you for the info! much love all and take care!
I’m going to have to start using that. “200-whatever-degrees-science” 😂
If you’re leaking condiments on your pants, tighten your nozzle!
😂🤣 Still, I learned from this 👍👍
Just amazing. Thank you for this video!!!
I would like to thank you a loooooot for this awesome video. I learned a Lot from it. Many thanks.
Worked for me, thanks. You earned a sub.
Man you saved my Printer, thank you very much dude
Holy crap! Finally. I was about to chuck mine in the trash. Thanks so much for explaining this.
Thank you so much man, i was so angry about that leaking A8! But you saved me :)))
Found this while looking how to fix my problem with printing PETG and getting oozing and boogers and strings. I had recently cleaned my hot end and I put it together wrong!!! When I get my new one I will definitely use your video as the guide to setting it up.
Thank you so much!! Maybe I was asking the wrong questions but there's not much on this issue, from what I've found on the net.
Thanks, appreciate the tip. Great vid.
Thank you very much. It's good to know I ignore that this was a problem and now I fix it
I just had this exact problem. Thanks for the tip.
Thank you! This video really saved my life 😭
Party begins at 5:05
I was looking for this comment, thanx
Fantastic and timeless video tutorial! Heck, you had me at the magpul dust cover right from the get-go ;)
Ya know, this many years later and I don't think I even noticed that was there. 😂
First thing I noticed too. Pretty sure everyone just takes those and throws em on the bench and forgets about them
Thanks to you I find troubles in missing gap between nozzle and heatblock. Of course precise nozzles and heatbrakes must be used, precise planes touch each other. In past I used paper gasket (something like paper washer) between nozzle and heatblock. That solves some leak. What do you think about use silicone (heat resistant silicone) to tight parts? I found it in some tutorials
Lots of great advice in this video, cheers!
I just had to learn this the hard way - my hotend ended up being a black tar-y mess. Lesson learned, excuse for an upgrade! I'll make sure I check this when I get my new one :)
Extremely Helpful Thank you very much.
Thanks for your great video. I have the same very problem of a oozing hotend (on top more then on the nozzle). I will apply your advice.
My hotend became leaky I think after I switched the nozzle. After the switch the heat block was always a little bit loose so I think the heat break is not threated in enough anymore.
Thanks again Dustin! :-)
Thanks you help stop a problem before it happened .I am new to 3d printing and video like this helps..
Just assembled my Anet A8. Had this exact problem. My hotend was leaking filament everywhere the entire top was covered in filament. I heated up the hotend let the rest of the filament drip off, then I did what this video said. Haven't had a problem since. Thanks!
Proud to be the One Hundredth comment . Thank you for taking the time to make this video. Answered my question exactly.
Thanks for the explanation. My hotend started leaking after I did my first nozzle change (from 0.4 to 0.2). I thought it was due to the pressure difference of that nozzle, but when I switched back to 0.4 the leaking didn't stop. I will try tightening up all the pieces, but I understand that I shouldn't need to disarm all the print head to change the nozzle, right?
damn, i feel dumb, been dealing with this issue for 2 months now and finally this video helped me. thx.
The workflow to tighten the things .. first the nozzle, then th throat by hand and then back the nozzle by tool .. this is the gist for me.. thanks for this video demonstration.
Thanks bud for the advice!
was looking for a solution for this, thanks
you're just awesome, thank you so much
Thanks man! Very helpfull!
Thank you for the video. What if you have filament oozing out from the tip ONLY when the hot end heats up to proper temp? I don't get oozing from anywhere else.
thanks just had leaking hot end on my anycubic swoped last night but will be taking it off again today
Thank you for this video! it did just the trick!
Thank you ❤❤
Good video! Thank you. Helped me a lot :)
Hi, creality ender 3 are different from the one you showed, the ‘heat brake’ has no second thread and is almost impossible to take apart. But video is still really useful, thanks!
I didn't have any print issues but I decided to get a different color sock for my nozzle, to my surprise it was very hard to take it off and once I did I noticed the filament bukake all over the heatblock that leaked out lol
Really helpful thanks for the video...
I was changing the nozzle of my 3d printer, and while i was tightening the nozzle and i felt that some part got loose, and I tight again. after that in all printing I have leaks everywhere. now i dissasamble completly the excruter, and I was doing a deep cleaning, now is better the print, i hope it fixes, ill know when it finished. Thanks a lot you helpme :)
and that part before the nozzle how is called?
silly me i only a couple days into 3d printing I switched my nozzle and didn't know how to tighten it properly so then my prints randomly started getting a little problematic thanks for the help
thanks man, helped a lot
helpful, thank you
thanks very much for your help
Thanks, after a year my printer started leaking filament. I ordered a new nozzle assembly but I'll take the current one apart and make sure everything is tightened.
Can you put a bimetal heat break in a non all metal hotend. I'm not sure if I need to switch to something like a mosquito and do a bunch of custom prep to get all metal hotned performance.
Thanks, Very helpful.
Thanks for this, just took the nozzle off and put a new one in, now realising the block had loosened over time so the nozzle went flush (don't know how it loosened)
I remember watching this when I first got into 3d printing and my hotend was leaking. It fixed my issue back then and I have remembered it since.
My method, start with nozzle first,screw it in till I can fit thumb nail under it(aprx .6mm) and run the heatbreak in till it bottoms out. Install it to printer, heat to 10c above highest print temp I use and tighten the nozzle. Has worked fine for me everytime
Tldr:I use an adjustable wrench to hold the heatblock and a wrench on the nozzle. Snug it up,install to printer,heat and snug nozze.
Also if you have a tap of the proper size you can run it into the block to clean up any stuck filament in the threads, I heat it a little first.
Great video, super helpful! I find it amusing that you almost managed to spend more time talking about coupon codes than actual hot ends, but still, the part about hot ends was great!
love it! thanks
Also, the pipe thing ("heatbreak") is oriented and you have to install it in such a way that the white teflon pipe thing rests against the nozzle. I have accidentally turned it the other way around and the leaking problem got much more severe. :D But after 6 hours cleaning, it got fixed (fingers crossed, no leaks so far!).
Check the threads inside of the heat block, once I had a piece of brass thread break off and get stuck when I tightened the nozzle. I thought that the nozzle was tightened correctly, but after 5 minutes of printing, plastic came out of both joints. +1 hour of maintenance.
Thanks
Thank you!!!