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GT S197 General Discussion This section is for technical discussions pertaining specifically to the V8 variation of the 2005 and newer Ford Mustang.

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Old 09-26-2009, 10:06 AM   #1
Yello4u
 
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Unhappy Broken spark plug, how to remove?

I started with #8 and there was no issue removing the Motorcraft plug but noticed carbon buildup on the long cylinder tip- the computer told me a misfire on that cylinder so wanted to start with the plugs. Got to #6 and it also came out nice, except the lower metal casing, ceramic, and tip remains in the engine, I only got the electode and the top threaded portion.

Is there any tool or advice that can remove the remaining piece without having to pull the valve covers and other pieces off? There are no threads or anything else holding it down there... first time this has happened to me with any vehicle. Just looking for options... thank you for any advice/thoughts.
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Last edited by Yello4u; 09-26-2009 at 11:23 AM.
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Old 09-26-2009, 12:48 PM   #2
hammeron
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start here, this will explain a lot

http://ww2.justanswer.com/uploads/ke...sb08-07-06.pdf
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Old 09-26-2009, 02:08 PM   #3
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I saw on motorweek a while back that they have a special tool for taking out the broken part of the plug. They were talking about the f150, but the 5.4 on the f150 has the same or similar heads as the 4.6 in the mustang so it should work for you. I would search the internet or motorweeks website for either the 5.4 or 4.6 3 valve.
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Old 09-26-2009, 02:17 PM   #4
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check this link, http://allfordmustangs.com/forums/20...extractor.html
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Old 09-26-2009, 05:16 PM   #5
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Quote:
Originally Posted by Yello4u View Post
I started with #8 and there was no issue removing the Motorcraft plug but noticed carbon buildup on the long cylinder tip- the computer told me a misfire on that cylinder so wanted to start with the plugs. Got to #6 and it also came out nice, except the lower metal casing, ceramic, and tip remains in the engine, I only got the electode and the top threaded portion.

Is there any tool or advice that can remove the remaining piece without having to pull the valve covers and other pieces off? There are no threads or anything else holding it down there... first time this has happened to me with any vehicle. Just looking for options... thank you for any advice/thoughts.

And yet, there are still those that say these 2 piece plugs are not a problem.
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Old 09-27-2009, 06:51 AM   #6
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Although I have not changed my plugs to date. I was also concerned about broken plugs. Found this site that sells the removal tool. According to a write up I saw somewhere it's a pretty straight forward procedure to get the broken parts out. Here is the link.

http://www.etooldirect.com/lisle-656...&cvsfp=LS65600
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Old 09-28-2009, 07:57 AM   #7
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Quote:
Originally Posted by zoomerman46 View Post
Although I have not changed my plugs to date. I was also concerned about broken plugs. Found this site that sells the removal tool. According to a write up I saw somewhere it's a pretty straight forward procedure to get the broken parts out. Here is the link.

http://www.etooldirect.com/lisle-656...&cvsfp=LS65600
I just bought the tool, and downloaded the link (instructions) listed above. Thanks all! Will let you know how it goes. First time my GT does not run and I did to her myself.... will I ever be forgiven?
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Old 09-28-2009, 08:43 AM   #8
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depends only time will tell if she feels as though she's been molested things will fail rapidly

you may want to give her a good wash down and detailing
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Old 01-11-2014, 01:23 AM   #9
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Quote:
Originally Posted by Yello4u View Post
I started with #8 and there was no issue removing the Motorcraft plug but noticed carbon buildup on the long cylinder tip- the computer told me a misfire on that cylinder so wanted to start with the plugs. Got to #6 and it also came out nice, except the lower metal casing, ceramic, and tip remains in the engine, I only got the electode and the top threaded portion.

Is there any tool or advice that can remove the remaining piece without having to pull the valve covers and other pieces off? There are no threads or anything else holding it down there... first time this has happened to me with any vehicle. Just looking for options... thank you for any advice/thoughts.
For those individuals who can't wait for the spark plug removal, like myself. What I did was go to home depot and purchased a large screw and drill it into the broke piece and pulled it out with some pliers. Sounds crazy, but it works.
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Old 01-11-2014, 01:23 AM
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