Blew a plug
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9 ECHO 1
Joined: Aug 2009
Posts: 12,467
Likes: 58
From: Missouri
Blew a plug
My friend's V10 blew a plug the other day. He drove it home about 30 miles (estimating from where he told me he was). I was at his house waiting for him and it sounded like a freight train.
Whats the damage? The he pulled the COP off before driving back, it was destroyed, and I found the spark plug in once piece. He was quoted $2000 for the repair. They said they dont have to replace the head, but will have to pull the motor which is where a lot of the cost comes from.
Is it worth fixing? How bad is the repair? Is the cost reasonable?
Whats the damage? The he pulled the COP off before driving back, it was destroyed, and I found the spark plug in once piece. He was quoted $2000 for the repair. They said they dont have to replace the head, but will have to pull the motor which is where a lot of the cost comes from.
Is it worth fixing? How bad is the repair? Is the cost reasonable?
Junior User
Joined: Jul 2012
Posts: 52
Likes: 0
From: Fargo, ND
I've never done it but I understand the is a helicoil kit for spark plug. I would imagine if you are careful, bring that cylinder to TDC drill and tap the hole and insert the Helicoil. then vacuum out the cylinder with a shop vac the flush it with parts cleaner. then you should be able to get by without pulling the motor or heads. assuming everything else is ok.
But Like I said I've never done it, and don't know if it would last or not.
But Like I said I've never done it, and don't know if it would last or not.
Cargo Master
Joined: Sep 2007
Posts: 2,624
Likes: 7
From: OR and UT
As James said, there is no need to pull the engine or the cylinder head.
The proper repair method uses a Time-sert tool and kit, which is similar to a heli-coil, but designed specifically for this repair.
Look at this thread and the link for .
Even paying a shop only cost him under $200.
The proper repair method uses a Time-sert tool and kit, which is similar to a heli-coil, but designed specifically for this repair.
Look at this thread and the link for .
Even paying a shop only cost him under $200.
Last edited by BigPigDaddy; Nov 4, 2012 at 07:54 AM. Reason: Harmony :)
Postmaster
Joined: Aug 2012
Posts: 2,737
Likes: 23
From: Westfield, Indiana
My friend's V10 blew a plug the other day. He drove it home about 30 miles (estimating from where he told me he was). I was at his house waiting for him and it sounded like a freight train.
Whats the damage? The he pulled the COP off before driving back, it was destroyed, and I found the spark plug in once piece. He was quoted $2000 for the repair. They said they dont have to replace the head, but will have to pull the motor which is where a lot of the cost comes from.
Is it worth fixing? How bad is the repair? Is the cost reasonable?
Whats the damage? The he pulled the COP off before driving back, it was destroyed, and I found the spark plug in once piece. He was quoted $2000 for the repair. They said they dont have to replace the head, but will have to pull the motor which is where a lot of the cost comes from.
Is it worth fixing? How bad is the repair? Is the cost reasonable?
Postmaster
Joined: Oct 2008
Posts: 3,924
Likes: 6
From: Richmond BC
the shop wants to pull the motor cuz they are lazy and aint paying for it..
it can certainly be done in the vehicle its just not the friendliest repair, but its certainly possible..
i know there was a mobile guy on here some time ago who would fly out to your place and fix it right in ur driveway..
cant remember his name offhand thou.
(ps obviously you had to pay for his flight)
http://www.blownoutsparkplug.com/
heres the link..
it can certainly be done in the vehicle its just not the friendliest repair, but its certainly possible..
i know there was a mobile guy on here some time ago who would fly out to your place and fix it right in ur driveway..
cant remember his name offhand thou.
(ps obviously you had to pay for his flight)
http://www.blownoutsparkplug.com/
heres the link..
Last edited by Fordfanatic4life; Nov 4, 2012 at 02:26 PM. Reason: nm found it
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Thread Starter
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9 ECHO 1
Joined: Aug 2009
Posts: 12,467
Likes: 58
From: Missouri
The owner of the truck is not the type to do it himself. Shoot, her barely changes his oil. Usually his son, my best friend, and I end up doing it. And I dont think he was authorize us to do something like this so I am betting it would go to a shop. The plug was the 2nd from the rear on the driver side, FYI.
Posting Guru
Joined: Oct 2009
Posts: 2,066
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From: Rogue River, Oregon
JUst got mine back last week, total cost for doing the last one back on the passenger side was $193 for the insert and labor and I got a new Motorcraft coil and 10 new plugs from Rock Auto for something like $80. Search around your area for machine shops, this is such a common problem that someone in your area probably fixes them.
Posting Guru
Joined: Oct 2009
Posts: 2,066
Likes: 4
From: Rogue River, Oregon
You really don't want to use a helicoil since these are tapered seat plugs. Not to mention the fact there's nothing to keep the helicoil in place the next time you change plugs. I use helicoils at work and they always do a great job, but I wouldn't use on on a tapered seat plug. Besides, guess what happens to the inner tang once you break it off on a sparkplug repair? If you guessed it drops in the cylinder, you are right...
Senior User
Joined: Sep 2001
Posts: 109
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2000 F-350, blew one out, 3rd from front on DS, drove it home 20 miles, called a friend with an auto shop (and a Ford-natic thru and thru) he loaned me the repair kit, gave me a 2 minute explanation, came home and did it myself in about 20 minutes, let it set all night, put the new plug in next morning, and 3 1/2 years later it's still going.
You would think an engine with 10 cylinders would run fairly well on 9....... I could kick it up hills faster than it would drive.
You would think an engine with 10 cylinders would run fairly well on 9....... I could kick it up hills faster than it would drive.