Removing A Broken Bolt From A Engine Block The Easy Way
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- เผยแพร่เมื่อ 8 ก.ค. 2022
- This is how to removal a broken bolt from a engine block or head very easily. The vehicle is a 2008 Honda Civic EX that has the belt tensioner bolt broken off in the block which is common on the 2006-2011 Honda Civic. This technique can be used on a wide variety of things not just on cars or the vehicle shown.
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Thanks so much. I used this technique to perfection! A shop would've charged a small fortune to even attempt it. But this worked great! Thanks again!
Just check some science data, it looks like iron expands at +/- half the rate of alloy (depending on the mix) so the hotter the metals bolt will get looser. So don't wait for metal to cool down b4 unscrewing it
I bought brand new drill bits and harbor freight reverse drill bits. But before I went to store I kept spraying penatrating fluid multiple times and shocked around the bolt hole with a small hammer. Got back and drilled right in the center and took extractor bit and came right out. If not I was gonna weld like this
with you Brother im a stree smart mechanic from da 80S he that the beast way to do it
I always apply Never Sieze to every bolt and nut that is not internally lubricanted that I remove or replace. Works wonders. I also apply it to gaskets as well. Good tip as always 👍
Brilliant! Thx for taking the time to film and post!
I agree easy outs are rubbish. Good video well explained.
I just got the same broken bolt out of the block of my daughter's 2009 odyssey. by using a left handed drill bit .I I got just a little bit in depth with the small hole in. the in the broken piece started backing out then. Came out fairly easy. Yes, I was. lucky.
great if i had a welder.
Everything sounded good until he said you need a welder
thank you for showing off with your skills
I like the special guest appearance 4:19
Awesome tip… love the Rex
How do you build the weld up without damaging the threads or the aluminum
It’s not getting hot enough to do damage
Nice CRX!
The same bolt sheared off on my 2005 acura tl just yesterday i dont have a welder so i drilled out the block it has not been very fun honestly. I do not see a way you could have welded anything as the part of the bolt that was left was recessed quite a ways into the hole. Unless you mean you are welding something threaded thats smaller than the old bolt oh i see thats a neat trick. So without a welder what do you do?
You are a genius!
Thank you so much!!!
You are welcome
You would think they would just put a bolt with a head on it but that's to simple I guess.
Super useful info
Its definitely a design flaw for sure. It is a M10 bolt which is not really small. Due to this problem, the bolt really needs to be bigger and the hole in the tensioner needs to be also. There is also no way to know what grade bolt it is (Im guessing a grade 8.8) but I replaced it with a grade 12.9. We will see how it goes.
Well done & explained ! ! Am gonna guess that while building the weld on the broken stud the HEAT caused expansion/contraction difference helping break the stud free from the block.
Yes the heat from the welding does help with the expansion and contraction making it easlier to remove the broken piece. That is more important on something that might be corroded also.
That was cool I liked that and looked real easy thank you
You're welcome
Where did you ground the welder to? Because I have a bolt snapped off in a similar position on my 2001 civic
You can ground it anywhere on the engine block
Respect...
This just happened to my 2010 Honda civic it came apart while driving left me stranded and the tension pulley came loose and got caught up with the other pulleys not allowing them to spin my motor mount went out causing the engine to drop a little bit,I replaced that thinking it would lift it back in place with the tension pulley and realized it broke off a 1/4 inch inside the block …same exact bolt as this
The factory bolt wasn't strong enough to be removed, but the nut weld backed out no problems. Did the heat from the mig torch free it up? I am going to try it, would be an answer to my prayers if I can swing it.
The bolt breaks due to vibration of the belt tensioner usually. The heat of the weld helps break the bond due to the fact that steel and aluminum expand at different rates.
How can that help me with a 2009 GMC Acadia
Great tip! Do you think the heating of the bolt also helps in getting it to let go? Do you recommend anti-seize for the new replacement bolt?
I think the heat helps. The problem that I should have mentioned in the video is that this bolt breaks due to the constant force on it from the belt tensioner, not being over tightened or being loosened.
This same thing just happened to my Toyota matrix 09 2.4 azfe, thats how I ended up at your video
Will any welder do the job. Like a harbor freight one? I broke a head bolt in the block. Im freaking out a bit because i kno if i cant get it out im screwed. Any tips and tricks would help.
What did you end up doing? In a similar situation myself.
@@TH3CROWDARKANG3L I drilled the small hole in the center of the screw and ended up using an easy out the screws now out and the car is now being rebuilt.
Thank god i found this video! My only question is where can i buy a replacement bolt. Same make and model for my civic and same issue but i cant seem to find the bolt to buy anywhere. Pls help!
You can get OEM bolts from Honda. there is a long one and a short one. You need to figure out which one you have. Long bolt is part # 90001-R1A-A00, short is 96700-10055-18.
@@4LaneBlacktop thanks
What stops the welder from melting the aluminum?
The welding current flows thru the steel and not the aluminum. Plus you are only heating it for a few seconds. It takes longer for the aluminum to reach melting point than the steel.
Did it break off while tightening or loosening?
It broke under normal use conditions. It is a design flaw from Honda. They even changed belt routing to help fix the problem but even that is not 100% obviously.
@@4LaneBlacktop I keep thinking that if these bolts keep shearing off, then they are probably not large enough.
Hi! I've had the same problem. The thing its that it keeps happening, the water pump alley rubs the belt tensioner. The mechanic had to take off the engine to actually take the bolt out and fix the bad threat. I used the same belt tensioner with a new a bolt but I feel that the bolt its starting to do the same thing the water pump rubbing the tensioner. Any ideas of why that would keep happening to me?
How much did they charge to pull the engine out and remove the bolt?
@@anthonymonahan3331 Probably too much. 😃
Can’t you buy a stronger replacement bolt?
Hey what type of people do I call for this job on my valve cover bolt broke off that can come to house
You can get a mobile welder but it will be cheaper if you can get it to a shop.
Swap out an engine block because of a broken bolt? Well, if it's coming out of Honda's pocket, ok, but I don't want to hear them talk about their quality anymore. 😁
Such a shame if Honda is making owners junk a car for that...great idea. Had a bolt break on an ignition coil and this is a great option
sounds like gm engineering
That crx….
Easy way ok
Great idea. Too bad that my bolt broke off about 1/2" into the hole.
Still worth a shot. You would need to just build up the weld.
Good one but if ppl like me no cash to buy or rent a welder ? we use easy out tools hello!! hehe
A mig welder eh? 🤔 I wonder if I could extract a smaller bolt from a cylinder head of a 1.4L Cruze Water Outlet using the same techniques you applied here. Bolt size is E10 and is actually standing proud of the Head, which I believe is cast aluminum, bolts are, I'm assuming Rusted and Iron I think... anyway, need to try something, that or hire someone like You. 😃
If the head is aluminum this trick should work.
@@4LaneBlacktop apparently that Cruze head is cast aluminum, and I just tested the bolts on the water outlet and they are indeed magnetic, iron present. I did call a mobile welder, because I don't have welding equipment and I would have to rent it.
Thanks for Reply. 👍🏻
@1Patient Did the mobile welder get it out?✌️🍩
@@donutdan1508 I called, almost pulled the trigger...so much has happened with the car. I jury rigged the cooling system the bolt is still there waiting for me to deal with some day, with 228k on vehicle.
@1Patient Mine was a small metric bolt broke off in an atv cylinder. Got it with a drill and extractor. I've got a mig welder but that's a last resort for me!
Good luck with your car man.
✌️🍩
Ya, like we all got welders.
What I really wonder is how many Honda owners got charged for an engine block replacement after a savvy service tech removed the broken bolt as shown in this video.
We can only hope that didn't happen but with the way some dealerships are, unfortunately it probably did.
Corollas do the same thing. Second time right now and I am going to use thread locker on this one.
if they back out, use blue thread locker. If they are breaking, get a higher grade bolt exactly the size of the oem on. That is what I did here.