Blow out Spark Plug Repair - Save-A-Thread Heli Coil Repair Kit - Ford Crown Victoria
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- Опубліковано 8 вер 2024
- After I diagnosed a blown out spark plug in my customer's car, he went out and bought a "Save-A-Thread" kit containing a thread tap with 3 different length heli coils (also called a time sert) to slightly open and re-tap the existing spark plug hole. The heli coil or time sert which matched the length of the spark plug threads, was screwed and locked into the tapped hole. Once locked in place, the the threads inside the coil or sert, matching the threads of the spark plug, allows the plug to be torqued back into the cylinder head without coming loose.
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Heli-Coil Multi Helicoil 5334-14 Save Thread Repair Kit M14 x 1.25:
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Permatex 82194 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker
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After rethreading, don’t forget to start the engine so the shavings blow out the top. You don’t want metal shavings inside your block.
Thanks for sharing!
Lisle has an extended kit. Use wheel bearing grease on the tap. Use loctite red on the insert.
Thanks for sharing!
Best diy throttle cable Ive ever seen
Thanks!
1st make sure that the top of the piston is down far enough that the tap doesn't hit it. 2nd after putting the coil in remove spark plug make sure the grabber section is up and threaded in so you can punch it. 3rd put punch in the coil and hit it with a hammer to seat the coil. Punch comes with kit. If ya don't punch the coil after its screwed in the block it Could come out when you next need to change out the plugs. 4th With plug removed start engine when safe(tools on top lol) use engine compression to blow out filings. Great Video thanks for sharing.
Thanks for sharing your insights and experience!
Measure where piston is with something and transfer on drill bit and then use tape or something to mark it. Or if possible chuck the bit just short enough to miss it. How I’d do it. I’d want my piston top dead center so no shaving get down into anything. Definitely not a mechanic but sounds good to me. Some may not think that
Also use brass hammer on tapping in helicoil 😎😉🇺🇸🤝😺
One step that was missed in this video (other than cleaning out the metal shavings) is "hammering" the insert (with the tool provided in the kit) after it was threaded into the hole. This tool spreads the knurl on the top of the insert to help it bite into the cylinder head. Side note: The amount of torque I saw on the tap worried me. Taps are made of a very hard & brittle metal. If you break a tap off in the hole, it will really ruin your day.
Here's the bottom line. The owner took his car to several shops and they all wanted to remove the head from the block to do the repair (concerned about shavings getting in the cylinder apparently). He was quoted over $1,000 +. The car's barely worth $1,500. So he came to me ... I told him about the kit ... he bought it and had me install it as per the kit's instructions. This all happened going back almost 2 years ago and everything has been fine since. BTW - the other plugs were loose and ready to blow out.
@@hardlymovingpro nice, 2yrs you say?. That gives me some hope. Good job sir!
well thatss nice i watched this after i already had shavings in to see how others did it and didnt see this till after i watched the vid like most ppl, and i thought u left em in to go out the exhaust so i just started mine up without removing em and its purring like a kitten but prolly got shavings off in the crank now so this is why i say fuck youtube vids dont show ppl shit if u dont do it right, i knew how to do all the other parts myselft by common sense , the shavings however was a huge issues cause i have no way to blow it out on a cobalt ss, the damn cylinder hole is so far down in , then its a tiny plug anyway smaller then v8, and the oil did nothing to stop the shavings from piling up on the piston, its aluminum heads btw
@@hardlymovingpro k
@@SonicBlue the shavings will go straight to ur oil pan on ur next oil change they will mostly be gone those shaving ain’t gonna bother nothing
Torquing has nothing to do with it. It was a design flaw by the dorks at ford. The original plugs were too short/not enough thread. As a pro mechanic with dozens of years of experience the ONLY time I have to use this is on the ford v8!
Thanks for sharing! The Crown Vic is a v8 and so far the heli coil has been holding up fine.
O k that's effing hilarious
Guess no grease to help trap shavings, also no worries about gaping them spark plugs just toss them in they'll self adjust upon impact
Tread tap was lubed to capture shavings and plugs were pre gapped
Lmao! Yeah! In yo face son
HA HA HA Self Adjust upon impact!!!!! that made my day
I owned 2 ford expedition around 98-00 models. They both had the same motor, same issues. I got tired of buying helix coils at almost $50 a pop. Going to fix my wifes mdx with one and don't have even $30 in it. Had the coil pack melt, the spark plug appeared to be rusted and was busted off all the way down to the socket head and it blew the fuse. I used a magnet to get chunks out, used a special socket my dad let me borrow, a regular socket, and finally got the rest of the plug out. Unfortunately the new plug won't grab threads at all. The old plug didnt seem to have threads once I got it out either. The car literally flashed the engine light and left my wife stranded smelling like a wiring fire. I hope this fixes our car and it's not an actual short somewhere as I fear it may be. It's our only family car. It's an 03 Acura mdx touring.
Extremely unusual circumstance for a Toyota engine!
@@hardlymovingpro I think you meant Honda engine....
thank you your video was the best video i bought the tool the within 15 minutes the job was done work just like you said hate to say it it saved my a## no a big repair
Glad it worked out with you and thanks for sharing!
sizde talaş problem olmadımı bu yüzden bu şekilde onarsammı kararsızım
Thank you for the simple and short video
You're welcome!
WOW I know you over torqued that spark plug, Lol it's probably gonna crack when the next guy tries to remove it"
Thanks for your post ... but keep in mind ... what caused this problem was a under torqued plug. When we checked the other plugs, they were all loose as well. You wouldn't believe how many loose plugs I've dealt with working on cars and trucks with aluminum heads. Too many techs under torque thinking they'll strip the plug hole! Then there's the other side of the coin. Plugs that shear off in half because the plug threads rusted in the head. Poor coated threads on the factory plugs! Customer told me that the dealer wanted to removed the head and retap. Got it out with a bolt extractor tool. Also, the replacement plugs are iridium and will easily last over 100k miles. Probably beyond the life of this car with over 150k miles.
What size did u use to cut the threads
What a hack!!! Was waiting for him to put a breaker bar on and tighten again
You should have mentioned as with any tap you should work it in and then out so is to snap any small bits of the cutting. You should have also mentioned to taken blow out any of the chips that have fallen into the engine. And to make sure that your valves are closed and your piston is down far enough not to hit it.
Thanks for sharing!
You need the triton kit for this not the Walmart or auto zone kit. Triton kit is specifically used for the 2v triton motors. 4.6 or 5.4. The Walmart ones are only a temporary fix. After awhile it’ll happpen again and the fitting will mushroom up and break again.. I have the crown Victoria it happens to me 3 times before I got the triton kit
Thanks for sharing!
Dad always said "don't torque down too hard on your plugs!"
Good advice for aluminum heads - except when the plugs get loose and blow out like on this Crown Vic.
Still not supposed to tighten down that hard on a spark plug
Is that really how tight the spark plugs should be!? Damnn 😳
On this Ford v8, yea!
Have you checked out the liquid thread looks pretty good check it out
I heard if you start the car without the spark plug it will blow out any metal shavings. I haven't tried it.
That's possible if the shavings aren't coated with oil. Most of the shaving will ride up the grooves of the cutting oil tap tool. Whatever get's into the cylinder will get blow out through combustion unless backed up into the catalytic converter.
I have to do this on a 4.6 liter Mustang engine and there is a punch tool that you use once you install the insert to lock it into place in addition to the RTV Loctite. What the punch tool does is expands the very top part of the insert so that it can't back out. I know the RTV Loctite will do that but that's just extra protection I guess. Just curious if you used that? Also what about all the metal shavings that gets into the cylinder wall? Did you blow those out of the cylinder with an air compressor before starting the engine?
Although the punch tool "flares out" or "expands" the top of the sert, torquing down the new spark plug will do the same thing. The end of the spark plug threads is perfectly tapered to expand and lock the sert in place. If it doesn't, due to inadequate applied torque, the sert will screw out with the plug. Always test the sert by screwing out the plug. With respect to metal shavings, it's so minute it'll get blow out in the exhaust stroke.
@@hardlymovingpro- That makes a lot of sense. Thanks for the reply. 👍
No problem. Make sure you use hi temp, hi torque RTV.
Hey Brian m I have 1999 mustang gt and I brought a heilcoil but the head of the heilcoil is 5 inch so its bigger then 5/8 so it wont go down into the block. But in this video he has a heilcoil kit that fits a instantion I cant find one
@@brianstanley3862 amazon jus got one for 36$
What did you do to prevent metal shavings from getting in the cylinder?
Apply oil to the threads of the cutter or tap. As you cut, the shavings spiral up inside the groves of the tap and the oil holds it.
My thoughts also
Small enough metal shavings will burl off or slip between the valve if extremely lucky. It's risky but works but it won't burn anything you could pick up easily with two fingers or porcelain it won't burn either. You have to get a fishing kit. Or small shop vac and suck it out. Kinda a expert on the broken spark plugs. I own a expedition with a 5.4L V8 Triton 3 valve. Which is notorious for broken spark plugs.
Dealers typically want to pull off the cylinder head for big $$$'s. Pick your poison. Shavings or head replacement.
You can blow them out or stick a flex magnet to remove them.
Wish you lived by me my expedition is needing one done about to do it myself :(
I hear ya!
🌹sending out condolences to all the people that have passed away in 2019-2020 2021 and 2022 covid-19 the most evil thing done in the history of our lifetime..Also 2023
Question - when I look in the package the tool that cuts the new threads has a solid top and yet in your video at 1:41 yo go to attach it to a 1/2 inch extension and the top is open and it snaps in - did yours come like that or did he have to do something to make it that way?
The tool that cuts is called a "thread tap" and the top of it came with a 3/8" square opening to accommodate a 3/8" extension. I rechecked the video and I didn't show the opening until I attached the 3/8" extension.
What happens to the shavings? You did not clean it.
You just turn the turn the engine over and let it run for a few seconds with the sparkplug out. The pressure will throw any metal shavings out of the cylinder.
They will probably be blown out through the exhaust. Won’t damage the cylinder but wouldn’t wanna risk scratching the sides.
@@johnnys4782kesin çözüm olurmu talaş problem olur diye karar veremiyorum
I so dislike having to deal with stripped spark plug threads
Was changing my spark plugs all went good except cylinder 3.......shops wanna charge 1200..... diagnosed and turns out there's already aan insert...... How do I remove insert to place new one in
The sert is stripped? The plug won't tighten?
The tool used and offered by amazon is good for a ford 500 2005? This video was extremely helpful!
Save-A-Tread website should be able to give you the info you're looking for.
@@hardlymovingpro
Ok so i went to a local advance auto store and they had the save a thread kit however the part that would thread is a solid block end. It does not have an open end to put the rachet in? Does the one you have connected to your account on amazon have that open end? I have searched several stores and can't find it.
Excellent work👍🏼👍🏼👍🏼👍🏼
I've never seen someone strain so hard tightening a spark plug.
I'm cutting new treads
@@hardlymovingpro 3:35-3:40
@@hardlymovingpro had this guy to try the kit on my crown Victoria he cracked two rings trying to insert the spark plugs in them what should I do
@Reno Simpson 😭 😭 😭
I want some little worried watching
Excellent. 👍🏽👊🏽👊🏽👊🏽🇺🇸
Glad you enjoyed it!
How long should I wait after this process to crank up the car?
Suggest you let the RTV dry for a couple of hours.
@@hardlymovingpro Thank you
I have a stripped ignition coil hole. The car runs but all I have tightening it now is some Teflon tape. People talk about stuff falling into the engine like shavings. I don't think there's anything on the other side of those ignition coil bolt holes, is there?
The shavings concern is over blown. Whatever drop downs will Get blown out through the combustion cycle
I was told to fire it up while the plug is still out to blow the shavings out the hole
Won't hurt but the most of the shaving rides up the tap tool while cutting.
my 1997 lexus es300 did the same thing an had to ply some one to do it for me
How much you pay?
how do you change the plug if a vehicle i got has had this done? have a misfire and changed the coil packs, and 6 of 8 spark plugs. can't get the other 2 out. it's like the socket dont go down far enough to loosen the plug. it's an 05 f150 5.4l v8. heard these were bad for blowing plugs out
Did the coil pack spark plug connector break loose from the coil pack?. If it did, the connector clip will prevent the spark plug socket from fitting over the plug.
I can't find a tap tool that can be used with an 3/8 extension that will fit int the hole
Recommend you contact Helicoil for assistance.
I have a 4.6 mustang gt but the rethread tool is to big to fit in the coil hole what do I do ?????
Call the "Save-A-Thread" customer support line and they should be able to tell you the appropriate size kit to have.
Do you have the two valve or three valve head. The kits are NOT interchangeable. The coil pack for the three valve head is straight, the two valve head has a bend in it. Look at both at an auto parts store, then buy a Cal-Van kit and follow every instruction step by step.
So are Heli-Coils like Kleenex - everyone uses the brand name for all inserts? Because I thought an actual Heli-Coil was basically a threaded spring-type deal. Or does HeliCoil actually make threaded inserts, also?
Yes...I believe you're right about the name "heli-coils". Most shops call them "serts".
Oh your thread "already caught" im going on day two of my threads not catching shit on my helicoil re thread tool. Mine didnt come tapered like yours with the nipple to start it in the hole.
Thats what she said.
Any concerns of damage to the top of the piston using this tool?
Not at all.
Bought the kit and used it with ease. I’m an overthinker at times. But then I get over it and just do it. Very informative vid. Thanks. God bless and have a great day. ✌🏽🙏🏽👍🏽
@@michealsteele3725 good for you!
Did you put grease or anything on the tap for the shavings i have to tap a spark plug whole just wondering
You can use penetrating oil.
How do you know you haven’t threaded the insert in too far? I guess when you thread it on to the plug and then install it that way it bottoms out where it is supposed to?
Because the sert is first threaded on to the plug and stops at the base of the plug. Then when the plug is torqued into taped spark plug hole, the top of the sert "flares" open to prevent it from go down any further.
Was a high temperature sealant used on the threads?
@@hardlymovingpro Isn't the insert the same diameter of the sparkplug? I have an 03 Grand Marquis and it looks like there will be hardly any lip for the sparkplug to sit on.
The sert diameter is the same as the cylinder head plug hole. The tap opens the plug hole to match the exterior diameter of the sert. I'll assume the plug hole is slightly flared accommodate the sert to flare open under torque pressure.
The lip will get cut and formed by the tap.
is there any concern about having half thread oem style heads? looking at the hole the plug goes in i can only see a few threads so im not sure if i should go with the smaller heli?
Can't say. Only did this once on the Crown Vic.
Do I need to wait for the RTV sealant to cure or could I start driving as soon as installed
I'd wait as per the RTV drying time instructions.
How do you know when the insert is flush? it really freaks me out not knowing how far to go with it.
You can see if it bottomed out with a flashlight.
You guys and your simple problems. Mine blew out in the back passenger side on a ford 5.4. Where there is no possible way for me to see inside the hole. What good then would a flash light do? There has to be another way.
In that case, flash light and mirror or use your smart phone camera.
@@vincentmartinez3354 this is my exact problem I have right now im in the process of picking up all the tools I threw
I think I'm going to watch the video again and count how many times he turned it. I have an 01 Lincoln Town car. Same motor. My cylinder is #7
What about the metal shavings that went into cylinder? You didn’t even try to blow out.
The shavings crawl up the oil wet tap.
If you've had a helicoil in there already that went bad do you need to rethread the hole or can you just insert a new Helicoil? Thanks
Can't advise since I never had that problem.
Shouldn't you wait 24hrs. before firing, after installation? To let the sealant cure....
Not a bad idea and wouldn't hurt.
God, I hope no one is following these instructions.
I can imagine how they do it in the "Corps".
Yea pretty bad, did not close valves. Did not blow out all the shavings that fell down in the engine, did not clean the newly cut threads, used wrong locking sealant to weld the part into place, did not seem to wait for everything to cure before firing engine either.
Ong that’s a fast fix done all wrong
Thanks for your input Semper...the metal shavings thing bothered me and had me formulate a plan to address it....but the valves! Oversight by me....thanks for bringing me up to speed.
You can blow the shavings out asgood as you can but wont get all the shavins out unless you take head off.
Yikes. You should have blown out those metal shaving.
did you use JB weld on the insert? also did you test start it before replacing the new coil pack...so it doesn't blow out another coil?
Do you have any prior experience working with time serts? As per the instructions by the Save-A-Thread kit, and as show in the video, high temperature RTV was advised and used on the sert. If you want to use JB weld, that's you're call but deviates from the instructions. The owner lives across the street from where I work and he's been extremely happy with the results. Turns out that most of his plugs were loose when we replaced them with iridium plugs. What's that ... around 2 months ago? so far no failures, more power and better fuel economy!
You might be able to get away with it.... Although High Temp RTV isn't any harder to get... I'd stick with the instructions.... but, JB Weld will probably be fine....IMO
Jb weld makes a red hi temp rtv 100% silicone. I think he just wanted to know what brand you used thats all.
You tightening them like that is why they strip
No ... problem was lack of torque and I don't want them to blow out ... again.
So, why didn’t you use the tap that comes with the packet?
I did use it.
My tap tool didn't come looking like yours. Mine was closed at the top so I had no socket to fit. I taped it to an extension and it turned twice them tape ripped now its stuck in the head smh
You can get it out with a magnetic pickup tool. Here's what it looks like in Amazon:
amzn.to/2ZXPTQv
Or tape inside the socket and eventually it will snug up
Same problem so I got an extension welded to it
So you just run the tool in till it stops you can’t over run the tool in
That's correct.
what is the rtv used for? would it matter if I used it?
The official explanation:
RTV means Room Temperature Vulcanizing, which means that the silicone cures at room temperature when exposed to moisture in the air. Most RTV silicones set up in one hour, with full cure within 24 hours. The cured material has adhesion and elongation properties and is effective even on large gaps.
Can someone put the link to the tools in this video
Should be in the text description of this video.
There’s no drilling needed for this correct?
Nope
What is that white paste? Is that necessary to have?
It's high temperature RTV to prevent the helicoil from coming out during spark plug removal.
Can I use this on my e350 Triton v8 ban 2001
Save-a-thread has different sized kits for different engines.
Grease your tap
Nope ... to reduce friction and help the shavings climb up the tap, use a light lubricant like penetrating oil.
I have a 04 v6 mustang. Cylinder 3 spark plug is problem. I unscrewed it out the the new one won't latch on. Stays loose? Could this be it
Yup ... you're threads are stripped. You'll need to use a heli coil kit.
@@hardlymovingpro okay, I'm pretty mechanically inclined. Not sure if your familiar with this engine but I dont have a visual on the hole, they are in the back and low. You think its manageable to fix.. dont have the money rn for a mechanic
@@calmingsoothingsounds9711 If you were able to screw out the old plug and screw in the new one, then you should be able to screw in the thread cutter and torque in the sert (as shown in the video).
@@hardlymovingpro okay thank you. I guess the only real obstacle is that the spark plug is on the side of the engine where I can't fully see. Rather than right above on this engine you have there
Don't need to see the hole...IMHO.
How did you get yours to fit so easily? My intake manifold is in the way making this job 1000 times harder
I can see that being a problem based on the spark plug hole you're working on. It may be easier for you to remove the manifold since it'll also give you an opportunity to replace the valve cover gaskets (which leak over time).
What if the kit isn't catching either?
Then probably did something wrong
will this work on ford 4.6 ?, this seems vey well priced vs the preffered ones for over $200
I don't see why not. Repair concept can be applied to any car with a blown out plug.
@@hardlymovingpro I will report back wen fixed thank you
@@hectorotani27 Okay ... good luck!
@@hardlymovingpro well I got the kit it was over $250 bux but well worth it ,the inserts are oversize so if u have old helicoil it will ream that out and made some really nice threads, I highly recommend
That was a Ford 4.6 he just didn't the video
I’m wondering if I’ve got a plug that’s cross threaded or not seated correctly will it cause air to get into my coolant overflow tank and power steering reservoir? 2011 Silverado and it’s got a rough idle and flashing engine light. No smoke out of the tailpipe, no bubbling coolant, not overheating
A blown head-gasket (usually caused by engine overheating) will result in air bubbles in the coolant overflow tank, white smoke out the tailpipe and a milky residue within your engine oil cap. If you have a flashing light on your dash, I'd get it checked out ASAP.
Will ut work on a Honda element 4 cylinder spark
Concept works on any car. In the video, the car was a Crown Victoria.
The kit shown in this video is for tapered spark plugs. If you have flat spark plugs with the sealing washer, you'll want to use a different kit/insert.
@@servicemanager3497 True ... which is why you want look up and get a vehicle specific/adaptable kit.
Dude about those metal shavings?
Don't worry about it.
SHOP VACUUM MUCH ? ? ? ? ? ? Did the metal shavings magically disappear????
They stick to the oily surface of the tap cutter if lubed beforehand. Also the tap has grooves to move the metal shaving upward as it cuts. Otherwise, they'll get blow out your exhaust port.
People of UA-cam, at the bare minimum at least put some grease on the thread tool to catch shavings
When cutting or chasing threads, use light weight oil. The tap is designed to move the cut material upward ... like a drill bit.
Hardly Moving Productions if you’re tapping into a spark plug hole and not removing the head from the block, you need some grease to help catch the shavings. It’s pretty common practice
@@hardlymovingpro taps are NOT designed like a drill bit to move cut material upward. Drill bits move the material upward by the spiral design of them. Most taps, like the one used in the video, only have vertical shafts to let material fall away when cut. Yes, when not lubrication is only needed, a light weight oil works well. But in a situation as a head still installed, grease should be applied in the "shafts" of the tap to collect cut material and stop it from falling into the cylinder.
I wish this shit would work for me right now but it does not. The fucking tap just keeps spinning and spinning.
The Shavings will turn into oil mud after Every oil Change
Ok!
Umm why not use shop vac to suck out the shavings and then blow remaining stuff out if any left? That’s how I’m going to do mine 😎🇺🇸. I already know how in rigging up the vac with metal pipe that will fit nicely on vac and into plug holes 😎🤝🇺🇸. Also measure where the piston is with something and then transfer onto drill bit and mark it so you don’t go farther than the mark. Follow me for more tips and tricks 😎😎🇺🇸🇺🇸🤝🤝😆🔨😺
Thanks for sharing! Lube the tap and the tap grooves will capture the shavings. But doesn't hurt to vacuum.
What a hack job... didn't even blow out the chips in the cylinder from the rethread.
Thanks for sharing your insight! Chips attach to the tap threads via oil.
So I'm do this this weekend what type of grease do I use on the tap I have the exact same car
I don't use grease but rather penetrating oil.
I just did it but the plug keeps spinning it won't tighten up and now the car idles alot what do u think is wrong with it
@@JoeMama-lh7sw I'd assume the heli coil outer threads is not matching the threads created from the tap.
So what do I do?
A very informational how NOT to video..
Yea. Take the cylinder head off and rethread. Right?
Maybe it blew out cuz you had over tourqed and stripped the threads.
Nope. Owner came to me in desperation for a fix because the dealer wanted to remove the cylinder head for big $$$'s ! Dealer repair quote exceed the value of the car.
I'm surprised it even runs.
2 + yrs
How long do they last?
If done properly, indefinitely.
Do not use this kit . Get a Cal Van kit it's a much better ket .the one on this video will work I've used it but had tow blow back out.
Thanks for sharing!
Horrible mechanic service 😞
Thanks for sharing!
RTV... wow.
Use the high temp high strength type