Time-Sert Spark Plug Thread Repair - Fixing Stripped Threads
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- Опубліковано 2 лют 2022
- In this video I am fixing stripped spark plug threads using a kit from Time Sert. This is a high quality repair that uses a unique insert that locks into the cylinder head from the top and bottom using a specific set of tools.
I have never used this kit but decided to try it based on the exact situation of this having a completely ruined set of threads with the potential of not being square to the original sealing surface. This kit has a specific seat cutting tool which provides a fresh new sealing surface for the spark plug crush washer which was very important to me. All in all it was not difficult and I am super happy with the end results.
Time-Sert website:
www.timesert.com/html/sparkplu...
The kit I used in this demonstration is PN# 4412-321 which includes the inserts for an M14 threaded plug.
The Back-Tap I showed is another very handy option for thread repair. If the top few threads are stripped this tool aligns itself by the good lower threads and upon backing the tool out you are left with repaired threads up top.
Back-Tap link:
www.powerbuilt.com/products/p...
Hopefully you find this video helpful in providing some solid information on a potential repair you can do. Although the kit used is expensive it is far less so than a replacement head or towing bill due to a lesser repair failing when on the road.
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#brickhousebuilds #strippedthreads #timesert - Авто та транспорт
You made that look almost easy. I hope I never suffer that particular horror but if I do I'll buy the Time-Sert kit and watch the video a dozen times before I try to fix it. And maybe meditate for twenty minutes to calm my nerves.
The meditation part most important!
I'm a retired Machinist and I want to say your instruction are great. I did a repair on my 2014 Harley with the Time Sert system. If you take your time its is a great system. I contacted Harley about my problem and this is the system they use. They wanted $2,00000 to repair the threads. Thanks never go cheep...
Well I appreciate that!
Glad i stumbled upon this video. Have to do the same job on my Audi and was researching the different kits out there. Familiar with helicoils for other applications but did not feel too comfortable with it in this application. The time sert kit is expensive in comparison no doubt, but really does seem like the best way to do this job without removing the cylinder head. Greatly appreciate the video. Made my decision very simple. Ill be ordering a time sert kit tonight. Thank you!
If I had to do that job, my heart would be in my mouth the whole time. Watching you do it - yes my heart was in my mouth 😀. The end where you tightened the spark plug - I couldn't look🤣. Great video BJ !😎
Oh yeas tightening the plug at the end definitely made my palms sweat lol
Love the ThisOldTony segment at the beginning!
Just found your channel today & after watching a few videos I do not understand why you don’t have 100K + subscribers, great content & beautiful work
Haha it 100% had this old Tony vibes! Wasn't intentional but I'll take it! I appreciate it though and I'll get there
Excellent video! I have a stripped spark plug hole in my car. I feel much more comfortable using this kit after watching your video. Thanks for sharing.
Glad you found it helpful! This really is a well designed kit and went very smooth. Not sponsored or anything thats my honest opinion
Thats a really nice tool kit! Here is a good example why you have to be VERY careful when changing spark plugs. This makes it easier when you can see the plugs and dont have to remove tank and other stuff. Thanks for a good video!
Thanks Bob!
I've dealt with different types of thread repair kits but never one like that, very informative B.J. Thanks for sharing!
Thank you Doc.
Wow this is the first time. I saw you working on your CBX n now on the topic of rebuild the spark plug thread. You are very precise on your working tool. Your workmanship is just great. Watch it bring me lots more knowledge on it. Keep your clips coming. Thank for sharing it. 🙏
Thanks! I have many projects underway at once and make videos on almost all of it so you will see a lot of different stuff on my channel
Quality never goes out of style. Great video
Thanks Greg!
That was really impressive! Excellent work BJ.
Thank you
Speaking as an Ex-Engineer. I thought you made a mighty fine job of that. Although I know these insert things exist, this is the first time I've ever seen anyone do this job in full. By the time you were ready to fit the Spark Plug back in, I thought how good it looked. I know from experience its not easy starting a Tap off nice and square. All too easy to get it at an incorrect angle so to speak. Well done! - I doff my cap sir... :-)
One final thing. Just how do people cross the threads in the first place? Bewildered...lol
Thank ya sir! So believe it or not this may have been sabotage from a previous "mechanic" where this bike was at. I had been tasked with repairing many things they did wrong.
@@BrickHouseBuilds I was about to say - no way - then I remembered being sabotaged once myself by a mechanic. So hard to prove, but it happens. Trust in life is huge, you sir are earning mine - great job! Thx.
wonderful video, it has given me the courage to try this repair before pulling a head off a vehicle.
thanks for sharing!
Glad you found it helpful! Thank you
That turned out great! Spooky stuff when it's an angled fix that is needed. You did the deal perfectly. A Great Array of Tools.
Thank you much!
Nicely done sir! That back-tap tool is super cool and I'll definitely be investigating that. I've had a few occasions where it would have been handy!!
Thank ya! Definitely grab a back-tap as they are very handy and not too expensive.
That’s a really nice bit of kit. I have never seen it before. Nice job again. For anyone doing the same job without your experience I would advise a Tee handle to turn the tap etc as it balances the pressure to help guide. Cheers Richie.
Without a long extension I couldn't use the t-handle which I would have preferred
Tricky job, well explained and well filmed. Handy tool, for sure.
Thank ya Dave, I'm glad it went smooth for me. Definitely a quality kit
Awesome video and I believe I need a time-sert kit. I have always used a heli coil. But that was a pretty clean and definitely give you a different option. Ready for your next video BJ.
Thanks for a superb instructional video. Great knowledge and skill and certainly not for the fainthearted! Very impressed. Thanks again.
Thanks David!
Great explanation on how to recover a smashed thread. 👏👏👏
Thanks John
Excellent video that provides a good view of the actual repair; however, if you're repairing a deep well vehicle spark plug be sure to run the insert driver tool towards the end of the insert before threading in the spark plug hole. I tried using the halfway method and ended up seating the insert a 1/4" from face of the hole. Fortunately I was able to use an extractor to remove the insert. On the second try, I ran the insert driver close to the end of the insert which allowed me to thread it all the way in the hole before finally setting it in the seat. I also used red threadlocker and let it sit overnight before installing the spark plug.
Super nice! The best thing in life is learning. So informative, I thank you for your videos :)
Well thank you and I'm glad they are helpful
Great video. I've used time-sert for many thread repairs, it is superior to anything else I've seen.
Thank you and agreed!
Very Nice Repair Man. Always love the detail.
Thank ya sir!
Thank you Thank you THANK YOU! I had a customer that had asked me about repairing a spark plug hole in the head of their bike and if theirs a way to do it without removing the head to do it. I knew of a couple repairs but this will knock it out of the park! Appreciate the tutorial and your insight! Thanks BJ
Well thank you! I am happy the video is helpful!
Good 👍 information on the Time-sert. Also that back-tap was very interesting, there have been a few times I could have used something like that.
The back-tap is super handy. Its not uncommon to see a hole with just a couple boogered threads and that tool is ideal for it
This would be my nightmare haha excellent work, Bj! I've learned a ton watching your vids
I appreciate it! Definitely didn't want to do this repair half-assed so it was worth investing in this kit
I've done time sert's before and I was always worried about leaving shavings in the cylinder. I made and attachment for my shop vac with a rubber pole cap that fit the diameter of the shop vac hose and put bendy straw thru that rubber cap, then sealed it with hot glue so I could put the bendy straw in the cylinder and suck it all out. I thought I was a genius, ha!
Nice work. First time have seen this type of insert used.
Thanks Stevie, first time using one here
So good. Nice job and great video. You let us really see what was going on.
Thanks Craig! Glad you liked it
I hope to never need this info, but it is great to know. Thanks for another brilliant video.
Thank you Rod
Lovely bike and lovely repair man ! love the meticulousness !
Thank ya!
Thanks, that was very informative and rather edge of the seat tense 👍
I appreciate you checking it out!
That was a great video. I have a bad plug on my Harley. I ordered the kit and thanks for all the info.
Glad you found it helpful! It's a very high quality kit. I think you find it worth the cost
Beautiful repair mate
Thank ya Carl!
Nicely done my friend!! That might be one of those tools that's worth investing in for the time when you need it.
Cool seeing the Virago get some B.H.B love. Made me realise just how much I've done to mine...
😉🏴🤘🙏
Oh for sure, they barely look like the same bike!
I’ve heard these are used on piston powered aircraft. Very rugged and precise engineering.
Great video brilliant tools till this video I dident know this problem could be fixed so easily this way thanks .
They install very clearly with good instructions
You did a better job than the machine shop did for me !! you do some dam nice work. I would bring my bike to you any time.
I appreciate it 🙏
Thanks dude lovely from Tanzania 🇹🇿 ❤️
Thank ya!
Excellent video, I have used time-serts before, they are the best.. I'll be doing this to my old shovelhead...thanks man
Thank ya!
Wow, really great job!
Thank ya!
Very nice tool. Have used helicoil before but I like the sealing step very important 😎
I've used those too but this is a more crucial area for sure
@@BrickHouseBuilds great video , I was a machinist for 50 years , raced and made a lot of different bikes over the years . Just retired but love watching your builds😎
excellent video guide - thanks !
Thank you
A real wonderful job 👍🙂
Thank you!
They’re a really great design well though out and the copper inset is likely to work harden with use so win win 👍
Seems like a great fix
excelente trabajo!
Thank you!
We had to do heli coil repairs on our snowmobiles back in the 70’s. Actually, my grandpa did. I learned from him.
Thanks for sharing
🤘🤘
Good job, enjoyed that 👍👍👍👍👍👍
Thanks Pete!
Outstanding presentation, thank you. My only question: why not gently vac out the shavings vice blowing? Would be afraid of getting something tiny jammed in a crevice.
Thank you. I'm not confident a vacuum would have worked but regardless the material in there is aluminum and much softer than what it may interfere with
Very usefull great job congrats! !!!!
Thanks Jorge!
Nice work. I had some threads go bad on my 64 Triumph. The right side Spark plug popped out while I was riding the bike. I didn't trust myself to attempt this job so I brought it to a local mechanic who specializes in vintage British bikes. I think he used a heli-coil but I'm not sure. The time-sert seems like a better option.
I doubt he would have done a helicoil for a spark plug thread but who knows. Hopefully its holding up!
Ive seen helicoils used for spark plugs, ive got no idea how they would hold up but I would never use one.
Thanks for sharing appreciate the info
Happy to do so!
Well done
Much appreciated 🙏
This is dangerous stuff but you've handled it in a very informative and amazingly relaxed way. Loved it ! So, when are we going to see the CBX ?
As soon as I can. I just have so much going on and need to make money before spending it on the CBX
Awesome video, thanks for the tutorial very well presented, I have a 1982 Kawasaki and if you don’t mi d me asking you about where can I get parts for this old school bikes , OEM or none OEM if you know and if you can share a link on that I’ll I appreciate you if you can thanks again .
Thank you. For OEM start out on Partzilla.com or cmsnl.com if you are after harder to find stuff. Your local dealer is always good. Also ebay as you can search part numbers. Aftermarket I use dimecitycycles.com a lot.
Nice work
Thank ya! The well made kit made it easy
@@BrickHouseBuilds
Yeah maybe, but I love your work
Love this process. I was wondering if starting with the back tap device wouldnt clean up those upper threads to begin the new tap...
Great content
I wouldn't bother as the time sert cuts a new seat making everything square
@@BrickHouseBuilds That is a trick little set.
Thanks
Really, really well done - I'm saving this as a tutorial in case I ever have to do it.
Towards the end I was thinking, why not put some red thread lock on the Time-Sert to keep it in there? After all, red thread lock can only be released by - oh, I get it now - heat. [facepalm]
Great tip with the grease in the gaps to catch the swarf - I'm sure there would have been a lot more otherwise, and the blowout method seemed very effective. Hmm, I wonder if a vacuum adapter would work, made to seal the spark plug hole... you'd probably have to crack a valve open the slightest bit for some inlet air, but all the suction would go into the vac. Hmmm...
A vacuum could also work but I honestly don't have a good vacuum. Mine is kinda terrible
When I finished motorcycle technical college and set up my own motorcycle workshop, I only ever used Wurth Time-Sert thread repair inserts.
The quality of the Time-Serts was outstanding and once installed there were no more worries of the thread being stripped, even with my most heavy handed customers.
I had tried Helicoil thread repair inserts but was extremely unimpressed with them.
Definitely a far superior design that gives piece of mind
Precioso gracias por tu sabiduría y vivan las motos✌️✌️✌️✌️💪💪💪💪😘😘
🙏🙏
So the intake manifold bolts and holes on my cx500 are almost shot from the previous owner, they have just enough thread to make a seal. I was going to repair them when I next take my carbs off and was going to do helicoil, I know time sert is also an option but do you think it's overkill for my application? I totally get using time serts for a spark plug.
This wouldn't be the right tool for that manifold bolt. A regular helicoil or another timesert variant would be bettee
I would have been tempted to fit a small hose to a vac and suck it out but any small particles should make it out the ex valve with causing damage being Ali
I wonder if putting the tap on a strong magnet for a while before using it would also help in catching the shavings...
Not for aluminum
Excellent video. I watched this months ago hoping that I'd never have to do it myself. Well guess what? I have to do this to my #4 cylinder on my CBX. Did you ever fix the bad plug hole in your own CBX? If yes, how did it go? Any tips? Thanks for a great video.
I havent fixed it yet but when I do I'll have a video within my cbx playlist
Cool video, always nice to pick up different tips and ideas for repair and maintenance.
Just curious, is there a reason why you didnt put threadlocker on the insert? Does it lock when you finish off the last threads maybe?
Thank you. Check out the links to the products in the description. They explain why you don't need threadlock. Remember the lower portion of the insert is being expanded and locks into the new hole.
@@BrickHouseBuilds Perfect, just what i was thinking. Ill check it out and buy a set, then hope i never need it 😅
You can use Loctite 2620 on this kind of insert if you want to overkill it. great knowledge.
Its actually reccomended you DO NOT use loctite on this in case you should need to remove it.
I have a 2019 Road Glide Special with a 114. I have the same problem with my bike. Can this be done to it?
Yup
At the lower end of the price scale, there are those kits that do not have a stepped tap but rely on a taper. Has any had any success with these or are they sheer optimism?
Those are a different design all together. A stripped spark plug hole is not something you want to cheap out on as a ruined head is far more expensive than a quality repair.
Another good thing about these is they brake free at at so many ft.lbs just incase it seized up or over tighted. The whole thing comes out. It's better than a bolt braking off in the hole like when you use the coils.
Its definitely a well designed product
Sorry, kindly assist with a link you got the time sent kit from. Thanks in advance.
It's already linked in the description actually
Great vid - though I am curious as to how many turns you had before the tap falls into the cylinder ? 👍👌🙏😎
Thanks. For your question, a few? You just pay attention to what you're doing and avoid going in too far
Brick House Builds - its because as you are spot facing the two diameters the tap is also turning in until you stop? 👍👍
@@Jonodrew1286 I'm not sure what your actual question or concern is here but you are cutting threads until you feel it pass the lower portion of the hole. Go a bit further and stop. Then you have a guide for the seat cutter
my spark plug is m12 1.25 . should I get a kit for m12 or m14
Check out the timesert link I provided and it will break it all down for you
I have the same thing by Mac tools in 14 mm
Would it be helpful to use the " backtap " first to cleanup the threads at the top of the
hole to guide the stepped tap in ?
I'm curious about the borescope that you use . Have you posted a link related to that in the past ?
Thanks for the videos.
In this case not really. The new tap cuts its own seat so perfect alignment with the original hole (while important) is not necessary
@@BrickHouseBuilds Gotcha , that makes sense . I always admired the Honda V's but at 6'3" I felt like a giant when I test rode them . I watch all your videos .
@@bill3641 at 6'3" you definitely would be uncomfortable on one. At 5'8" I fit the small and medium bikes but definitely have to tip toe on large stuff lol
I just noticed your borescope question sorry. Should be linked in my Amazon Storefront
@@BrickHouseBuilds Yup, i don't think that too many Japanese motorcycle designers were over 6' 😁
Top Man
Thanks Ray
Your keen not pulling the head. These things are by far the best way to do this job
should you use lock-tite?
No, not necessary
Timeserts are the only thread repair system I use because the inserts are expanded in and do not come out when the fastener is removed.
The cheap sets on eBay rely on thread locking compound.
Definitely a superior design
@@BrickHouseBuilds it is indeed. The kits are expensive but they get you out of trouble and produce a perfect repair which is a fit and forget. And a happy customer is what it’s all about!
Thumbs up !
Thank ya
I have done that repair once. Didn't like it. It seemed to work for a while but other options are what I would call "permanant". Replace the head is my solution if possible.
You used this exact kit?
@@BrickHouseBuilds
Not by name but yes the kit. It worked for a while. Better heads are preferable. Not repairs. I sold the CL 350 with that repair. It worked for me. Once sold it got fracked up somehow. Not my idea of making an aircraft or motorcycle correct.
Great job. Enjoy the methodical style and straightforward tutorial. I would like to add that next time you do this try taping some small diameter flexible pipe, fuel hose or smaller to a slightly larger pipe then attach or tape it to a flexible vaccum pipe to suck out the shavings. Hope this helps. 😊👍🏻
I mean I cant do a full engine rebuild on every bike that enters my shop. This is a quality fix
Yup
Only thing I would have done differently is red thread locker on the insert to the head …other than that great video 👍
It's actually specified to not use it
Wow..
Thank ya
@@BrickHouseBuilds sorry for lack of vocabulary but I was speechless watching your clip. You had me on the edge of my seat!
The parachute trick takes care of the chips. 🤪
And what is that?
Time-sert representatives give a much better how-to demonstration. For example, slightly unseat the exhaust valve and introduce some air flow up the pertinent exhaust pipe with a slightly open air nozzle, when done carefully, the chips will exit up the flutes of the tap . I've in done it several times and it works!
Well they are designing the product so their demo should be better. At the end I state this is just documenting my experience installing it and not necessarily a how-to.
@@BrickHouseBuilds
To quote Alladin , He can be taught!
Only thing I would've done differently would be to have added a loctite 620 (high temp retaining compound), on the outside of the threaded insert to lock it into the newly formed threads in the head
I believe they specify its not needed
No need for loctite, once the insert is seated, 2 or 3 more turns of the install tool will form the unfinished threads at the bottom of the insert and swage it firmly in place.
It's the bits of debris small enough to fall down on the rings that may give trouble. Hey, it's only aluminum.
Man, that looked like it was wobbling going in.
What did?
Those shaving won't do a thing lol. It will just get shot out he exhaust. Only scenario I can see is if they get in-between the rings but the tolerances are so tight in these bikes I don't see that happening
Agreed, still best to try and get them all out but aluminum is soft so no damage will be done
Stripped plug threads can be avoided if you screw the plug in with your fingers, if it gets a bit tight back it off and try again, never use force or a tool to start, if the plug is deep use your tube spanner with your fingers. Feel it before you destroy it.
Im not the one who stripped these threads
@@BrickHouseBuilds I am not the one that said you did, har har. A small diameter vacuum tube would be a handy tool and an endoscope or just endo and suck the tube, blowing it could send it upward and with the grease stick to the top or a valve. And Endo inspection would be comfort knowing 100% not 1 single shaving left behind. Better still use your fingers to install the plug.
@@mohuckmedshishkeblob1712 Even if there was a shaving or two it will be perfectly fine as an aluminum shaving is much softer than the hardened valve seats. No damage will be done.
If I could access the plugs like that, I would have tapped an oversize thread & resurfaced the seat, but that's it. Skip the "insert" part and switch to a BSF42P! ( M18x1.5 spark plug)
At this point I firmly believe you should make a channel and show us all your methods.
@@BrickHouseBuildsI can't make movies, but I'll keep watching (while I'm bored) & making suggestions (while I'm high). If you like them, try them, otherwise laugh at them.
Most (maybe all, idr) come from personal experience(s) where I learned from sweat, blood, and burns. (That's better than video or books!)
My spark plug will tighten and loosen back up if I try to make sure it’s tight
Hard to tell what your situation is for that one.
I drive a scooter but every time i go to drive it spark plug pops right back out of it so not sure if it’s stripped or not
@@cgilfoy05 and it has this thread repair kit in it or nothing? Regardless that sounds very stripped. You can visually see missing threads im sure
That i have no idea about I just found out what a thread repair kit was from a coworker
Tidy job , well thought out , but a longer extension on the time sert tools and a t bar would have made your life a lot easier .
Seemed pretty easy enough.
@@BrickHouseBuilds ok , it would take the heavy side out of the wobbly ratchet install ,,, why do you think you got the uneven cut on the seat .
I was being polite , now Im being accurate ,, its hard to teach someone something they think they already know. Why do you think quality tap and die sets dont come with a ratchet ?
@@tomthompson7400 Dang man I wouldn't think this would upset someone. The threads were stripped originally so thats why I needed the tool. The tool is initially guided in with whats left of the original threads so having it go perfectly straight is probably not a guarantee which is why this kit is valuable as it cuts a new seat in line with the new insert. Sure I could have used a longer bar but it wouldn't have made any difference.
@@BrickHouseBuilds Im not upset ,,, but I am an aerospace engineer , with 40 years of experience ,, and I still take good advice when its offered ,,, every days a school day.
I went to a dealer,... bought a New 1980 GN400,......there was a reason they waited till dark to give it to me,....it was july 4th I took my wife to see fireworks,...the next day I wondered if some one stole my bike and left me another?
The Night dew made the chrome orange and it was pitted.
I went back,.... and the made me take a Kawasaki CSR 305???????? so I rode the bike till its service time they serviced it a few miles away my leg started burning it was covered with hot oil?
They striped out a head bolt and they showed me how they were fixing it.
It looked about like what your doing.
Is it true if you fix your own equipment it limits traveling? Radio Frequencies is what they are doing crazy or saying useless crazy and delusional?
What?
I know its pricey
But it looks complicated too.
Quality products aren't cheap. This was very straightforward to install and is far less expensive than a replacement head
5.4 number 3. I tryed and tryed get a tsp starterd wount start so far in head no room tap it get started tryed a chaser tsp nope a 14 mm tap with insurts nope still not wount go thread in that dam alum Ford craped head why wtf to do get it started mite have try a back.out tap now
They make a specific repair kit for the 5.4. Like the exact scenario because it was such a common problem.
@@BrickHouseBuilds I have the rightsize taps just they not wounting to start in treads with little Grease and a tap just spins
@@rickyjohnson9594 its not a right size type thing. They make a special kit specifically for the 5.4. That may be why you are struggling
@@BrickHouseBuilds it's a 14mm 1.25 it's right tap when to auto parts place they looked it up to be for a 2000 f150 5.4 both the chaser's tap and tap with inserts or to be right tread for it it's hard being number 3 passinger side not much room to tap it a bit only 3 ins or do work with I just mite try a back out type tap u see on line it backs off gos in u scew to right it expand s and u bk off it cuts new treads it says ??
Why not remove the head before doing the job. I know it is more work, but it is definitely the way to make sure nothing gets into the cylinder.
A couple potential shavings of aluminum are softer than anything around it and won't be a problem. Removing the head would more than double the labor costs and therefore bill for the customer which is already exceedingly close to the value of the bike
Why not heli coil it. Once done, leave out the spark plug and crank the motor over and blow the particles out the spark plug hole. Not a big deal.
This is FAR superior to a Helicoil
If I can avoid compressing metal shavings into the ring grooves I prefer to