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Old 04-13-2014, 11:01 AM   #1
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2008 gt spark plug issue

So I have the a 2008 gt that I purchased not to long ago. It has around 92,000 miles on her and the plugs have never been changed. I have those damn 2 piece plugs to. Anyone have any issues with them breaking off inside the head or any tips to prevent that from happening.

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Old 04-13-2014, 02:04 PM   #2
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Those plugs are notorious for breaking off. They were on my 05 GT when I bought it. You can try spraying a small amount of WD40 or Liquid Wrench in there. Let it sit a while, clean up the excess, and then CAREFULLY try to remove them. That's what I did and it worked. Then again, I had about half the mileage you have on yours. I wish you the best of luck either way

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Old 04-13-2014, 04:09 PM   #3
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I just changed mine out on my 05 and I used sea foam deep creep. Spray some in each of the plug housings. Let it sit for at least 2 hours, then turn the car on and let it idle for about 30 minutes. While the engine is warm, begin the nail biting butt clenching process! SLOWLY begin to remove the plugs. I did this and I was pulled everyone out without any breaking.
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Old 04-13-2014, 11:47 PM   #4
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I have an 06' with 64k and have been thinking about changing my plugs out but definitely dreading it after reading all the horror stories. How much do dealers usually charge to replace plugs?
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Old 04-13-2014, 11:54 PM   #5
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Yeah what everyone else has said and I think Ford actually has a special tool. Liquid wrench is good stuff!
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Old 04-14-2014, 07:24 AM   #6
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The dealer wanted $350 plus $70 for every plug that broke. If your careful and take your time, it will pay off.
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Old 04-14-2014, 09:09 AM   #7
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I soaked (no small amount) my 8 plugs overnight. Next morning they all came out smooth. One cracked on it's last few turns. It was already loose so it was easy.
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Old 04-14-2014, 10:48 AM   #8
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Well yall I tried the seafoam deep creek while the engine was warm and let it soak for like an hour and I got all plugs out except one. The plug snapped on me and I was being easy as I could. Luckily I got a buddy with the tool to remove them. So hopefully ill be done here shortly. Thanks for the advice.

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Old 04-14-2014, 11:57 AM   #9
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Good to hear! At least only 1 broke. Remember to use some anti seize
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Old 04-14-2014, 04:32 PM   #10
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Happen to me. I had to buy a plug remover for about $50 plus $30 for fast shipping! Before I found the tool I was about to cry as I thought I had to remove the head with an overhead cam great find the tools name is lisle
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Old 05-13-2014, 01:46 PM   #11
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I have 46 k on my 05 think I have a better shot doing them now? And are the new ones not two peice no more ?

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Old 05-13-2014, 06:41 PM   #12
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The less mileage the better I would assume. The Less carbon build up the less likely the plug is to break. You can buy 1 piece plugs from several places.
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Old 05-13-2014, 08:01 PM   #13
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Like where ?

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Old 05-13-2014, 08:10 PM   #14
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Brisk racing and I think Autolites HT0 plug for our car is a one piece but I may be wrong.
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Old 05-13-2014, 08:16 PM   #15
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Ok thanks man I ma do them soon

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Old 05-14-2014, 01:50 PM   #16
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The Sea Foam Deep Creep is good. Go to You Tube and they have some decent videos. The new plugs you buy are now one piece. Take your time and you should be ok. I changed mine out at around 42,000 and they all came out. But I spent the $80.00 for the removal tool just in case. Good Luck.
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Old 05-14-2014, 02:12 PM   #17
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If I buy them from an autocrat store they are for sure one peice.

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Old 05-14-2014, 02:15 PM   #18
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research the appropriate part number and then there is no question.
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Old 05-14-2014, 03:16 PM   #19
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I used the HT1 plug by Autolite. So long as the box is marked - IMPROVED DESIGN with HSS TECHNOLOGY - it will be the one piece style plug.
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Old 05-14-2014, 03:56 PM   #20
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Thanks

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Old 05-14-2014, 05:24 PM   #21
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Also, when installing new plugs, use some anti-seize.
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Old 05-14-2014, 07:09 PM   #22
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I also heard of them blowing out of the heads?

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Old 05-14-2014, 07:33 PM   #23
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Guess that would be another good reason for going to a one piece....lol! I haven't heard about that but it would be funny if it wasn't so expensive to fix.
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Old 05-14-2014, 07:44 PM   #24
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I just did my plugs on my 05 gt with 79k and they came right out didn't know people had such a hard time with them haha
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Old 05-15-2014, 03:28 PM   #25
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I saw a few people online say they replaced their plugs and they blew out if the heads and needed to replace the heads.

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