How To Repair A Stripped / Blown Out Spark Plug
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Date: 2020-08-05
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Comments and reviews: 10
dustinB228
Yo Eric O, This is Dustin coming from the DEEEP South Mississippi.
I've watched enough of your videos to know for a fact that we as in SSippians need mechanics like you running shops! The fact that you explain every tiny detail and that you handle every single detail sets you apart from these lazy ass, corner cutting, lying crooks. I just want to thank you for being a straight up honest and educating mechanic. I don't bring my rides to the shop, never have. I do all my own work and when i need some guidance i like to find good videos like yours to help do the job correct. There's nothing worse than having to repair a repair. Ohh by the way i just pulled a head out a junk yard that already had a helicoil and was no good. The head was free so im gonna go for the double whammy. Wish me luck. It's my whip so im not trying to screw anybody im just trying to make it and save as much money as possible. Covid19 has me out of work so i gotta
work with what I've got.
From the Gulf Coast to the East Coast this is DustinB. Have a good one bro, BE the American Dream!
reply
Yo Eric O, This is Dustin coming from the DEEEP South Mississippi.
I've watched enough of your videos to know for a fact that we as in SSippians need mechanics like you running shops! The fact that you explain every tiny detail and that you handle every single detail sets you apart from these lazy ass, corner cutting, lying crooks. I just want to thank you for being a straight up honest and educating mechanic. I don't bring my rides to the shop, never have. I do all my own work and when i need some guidance i like to find good videos like yours to help do the job correct. There's nothing worse than having to repair a repair. Ohh by the way i just pulled a head out a junk yard that already had a helicoil and was no good. The head was free so im gonna go for the double whammy. Wish me luck. It's my whip so im not trying to screw anybody im just trying to make it and save as much money as possible. Covid19 has me out of work so i gotta
work with what I've got.
From the Gulf Coast to the East Coast this is DustinB. Have a good one bro, BE the American Dream!
reply
Joe
I used to do this repair pretty much twice or three times a month in the days of VWs on the street - and Champion spark plugs.
K&D make an exceptional kit - I still have the tap - but in a VW as you were putting it into the head, it always felt like you were destroying the threads and that the tap was going in sideways!
It never failed - it always straightened up and cut perfect threads.
The repair inserts didn't have that knurling on them - but they had 4 little spikes that you put a special punch onto and then whacked it and drove those little stakes into the new threads and locked the repair insert into place. Forever and EVER.
NEXT ---> let's see you do a Ford V-10 spark plug thread repair! Can they be done?
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I used to do this repair pretty much twice or three times a month in the days of VWs on the street - and Champion spark plugs.
K&D make an exceptional kit - I still have the tap - but in a VW as you were putting it into the head, it always felt like you were destroying the threads and that the tap was going in sideways!
It never failed - it always straightened up and cut perfect threads.
The repair inserts didn't have that knurling on them - but they had 4 little spikes that you put a special punch onto and then whacked it and drove those little stakes into the new threads and locked the repair insert into place. Forever and EVER.
NEXT ---> let's see you do a Ford V-10 spark plug thread repair! Can they be done?
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Bill
The question is HOW did those threads get stripped? Even if the plug was NEVER tightened properly and loosened up over time, would that damage the aluminum threads? Those plugs being on top, open, exposed, easy to reach, how could they not go in straight? Then again, there are people they make VELCRO to hold their shoes closed because they can't tie the laces. I would never start a plug with a ratchet no matter how easy it looked. It pays to look at the old plugs for thread damage BEFORE putting in new. If the last guy damaged them, I would call the customer and take pictures to avoid blame.
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The question is HOW did those threads get stripped? Even if the plug was NEVER tightened properly and loosened up over time, would that damage the aluminum threads? Those plugs being on top, open, exposed, easy to reach, how could they not go in straight? Then again, there are people they make VELCRO to hold their shoes closed because they can't tie the laces. I would never start a plug with a ratchet no matter how easy it looked. It pays to look at the old plugs for thread damage BEFORE putting in new. If the last guy damaged them, I would call the customer and take pictures to avoid blame.
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Alan
12: 53 You can't really screw it up? No? Screwing it is just what you ARE doing, ERIC. The story about winding a tool through the top of the piston. Interesting. By the way, did you check the position of the piston in that pot? Heli-coil stuck to spark plug -- don't you need a faint smear of lubricant on the spark plug thread so the heli-coil with locktight doesn't stick to the spark plug. But not so much lubricant that it comes through the thread of the heli-coil and interferes with the sticking to the cylinder head. (Low Tech solution)
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12: 53 You can't really screw it up? No? Screwing it is just what you ARE doing, ERIC. The story about winding a tool through the top of the piston. Interesting. By the way, did you check the position of the piston in that pot? Heli-coil stuck to spark plug -- don't you need a faint smear of lubricant on the spark plug thread so the heli-coil with locktight doesn't stick to the spark plug. But not so much lubricant that it comes through the thread of the heli-coil and interferes with the sticking to the cylinder head. (Low Tech solution)
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Theotis
Hey I agree with everybody. You do great work and are a great teacher as well! One thing I might caution you about: brakleen is no longer super-bad (carbon tetrachloride, but I know it has some nasty VOCs in it. maybe benzene and/or toluene compounds. For that reason I now go out of my way to avoid even smelling it, but also I wear nitrile or similar gloves. Theyve measured unsafe levels of these in peoples blood, just from skin contact.
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Hey I agree with everybody. You do great work and are a great teacher as well! One thing I might caution you about: brakleen is no longer super-bad (carbon tetrachloride, but I know it has some nasty VOCs in it. maybe benzene and/or toluene compounds. For that reason I now go out of my way to avoid even smelling it, but also I wear nitrile or similar gloves. Theyve measured unsafe levels of these in peoples blood, just from skin contact.
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Michael
You saved her dad another car. Your obviously a man who has taken the time to do it right ONCE, Because come Back's for simple shit are the mark of a shop that has Youthful mechanic's who have not been in the shop long enough to have absorbed the necessary knowledge needed in today's auto repair business. I hope the Chevelle on the lift is yours.
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You saved her dad another car. Your obviously a man who has taken the time to do it right ONCE, Because come Back's for simple shit are the mark of a shop that has Youthful mechanic's who have not been in the shop long enough to have absorbed the necessary knowledge needed in today's auto repair business. I hope the Chevelle on the lift is yours.
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Joe
Stinkin', cheesy, aluminum heads. Fords have a bad habit of blowing out too.
Probly after changing the plugs, which if you leave them in there to long, some or all the threads come out with the plugs. Cheap bean counters save themselves some money during manufacturing by not using anti-seize or heaven forbid, casting in steel thread holes.
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Stinkin', cheesy, aluminum heads. Fords have a bad habit of blowing out too.
Probly after changing the plugs, which if you leave them in there to long, some or all the threads come out with the plugs. Cheap bean counters save themselves some money during manufacturing by not using anti-seize or heaven forbid, casting in steel thread holes.
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Victor
Get a torch and heat the hole up where the insert will go then put Loctite on the Helicoil and install screw down and don't let it come out for 5 minutes man after 5 minutes or so you can remove the spark plug or better yet leave it in do not try to remove after installing with Loctite you should know that LOL Viktor from Palmdale you know
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Get a torch and heat the hole up where the insert will go then put Loctite on the Helicoil and install screw down and don't let it come out for 5 minutes man after 5 minutes or so you can remove the spark plug or better yet leave it in do not try to remove after installing with Loctite you should know that LOL Viktor from Palmdale you know
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George
Ive had my own trouble with helicoil! It was going ever so well until the spark plug went in! Well done for sorting this and saving it from the junkyard. would of been a waste! Shame the people you lend things to dont care for them. probably put you off lending them out to the next person.
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Ive had my own trouble with helicoil! It was going ever so well until the spark plug went in! Well done for sorting this and saving it from the junkyard. would of been a waste! Shame the people you lend things to dont care for them. probably put you off lending them out to the next person.
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kllgro
I am a diyer and stuff like this is what scares the shit out of me, I've never broken anything but always think of situations like this and wonder how to fix them, i guess in the future if something like this happens I'll have an idea of what needs to be done, great video thanks
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I am a diyer and stuff like this is what scares the shit out of me, I've never broken anything but always think of situations like this and wonder how to fix them, i guess in the future if something like this happens I'll have an idea of what needs to be done, great video thanks
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