Blown out spark plug
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Senior User
Joined: Jan 2004
Posts: 336
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From: 29 Palms, CA
Blown out spark plug
This is for a co-worker's truck. 2000 F250 V8. Blown out spark plug third back from on passenger side. Cannot get threads to bite into the head, however, a "chaser" (like tap) fit in there just fine. What to do???? If this is a tough fix, anyone up to the task in the hi-desert?
Post Fiend
Joined: Jan 2002
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From: USA
Freshman User
Joined: Jan 2003
Posts: 29
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From: Mesa
Mine blew out about two months ago on my v10. (around 80k miles) A Helicoil did the job. Two thousand miles later and no problems. It was second from the firewall on passenger side. The mechanic from work fixed it witout having to remove the fuel rail. All the other plugs were also replaced for their first time. No other ones seemed to be coming loose. NAPA has the Helicoil and tap. My company has a fleet of Triton v-10's. We already have done 4 with Helicoils.
Mountain Pass
Joined: May 2003
Posts: 117
Likes: 2
From: upstate new york
from what i've read here,it's both.you just gotta love it.there have been several posts inhe, and from what i can tell it seems you have to take a check with a torque wrench every so often to make sure they are around 12 foot pounds,i believe.
Freshman User
Joined: Jan 2003
Posts: 29
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From: Mesa
Ford may not recommend a Helicoil but they will not replace the head if it is not under warrrenty. Also they will replace it with a head that has the same amout of threads which in my opinion is not enough. A BigSert insert is pretty much a Helicoil only the kit will cost you quite a bit more. Also if a Helicoil would ever fail you could go the BigSert method. I think in the 2002 models they changed the head design. I could be wrong but I have not heard of any spark plug blowouts in the newer years.
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Senior User
Joined: Oct 2004
Posts: 201
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From: New Hampshire
Plugs
God I hope they fixed that Ive got a 03 5.4 and had a 92 and 97 4.6's and had no trouble with this, the 92 was a crown vic and I changed those I bet three times.
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New User
Joined: Jun 2007
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This also happened to me, I found a company
www.blownoutsparkplug.com
He came to my house and fixed it. Back on the road in one day.
www.blownoutsparkplug.com
He came to my house and fixed it. Back on the road in one day.
Senior User
Joined: May 2007
Posts: 126
Likes: 0
From: Aurora, IL
Originally Posted by ziptieexpedition
This also happened to me, I found a company
www.blownoutsparkplug.com
He came to my house and fixed it. Back on the road in one day.
www.blownoutsparkplug.com
He came to my house and fixed it. Back on the road in one day.
Thanks.
Posting Guru
Joined: Apr 2006
Posts: 2,216
Likes: 7
Originally Posted by jim042796
According to this website, it's 90 - 03 4.6, 5.4 and 6.8L engines. I recently bought an 03 F350 with a 5.4L. Are there any preventative measures beyond the occasional retorque to 12 foot pounds mentioned by 1ruralmailman?
Thanks.
Thanks.
Don't leave the plugs in for 100k like Ford suggests.
Retorque them every 25k or so.
R&R plugs on a cold engine.
Use anti-seize on the threads.
Torque to spec, no "guesstimating" here.
But when you think about the millions of modular motors running around with near zero maintenance it is still a very small number.
