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Old 07-25-2014, 10:54 PM   #361
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Kozal01, Thank you very much for the How-To. I studied it for weeks, and was successful like you in not breaking a single plug. Just takes some patience while you inch 'em out; one squeak at a time. I didn't use a pneumatic impact, just a trusty 3/8" ratchet. I was afraid I broke CYL's 4 and 8 when I broke them loose for the PB/Carb Cleaner, but they came out without any extra help. I am definitely looking forward to better MPG's, because the electrodes on the old plugs were next to non-existent. Needless to say, I had your post printed out right next to my Haynes Manual.
Click the image to open in full size.



All plugs out in about an hour.


Click the image to open in full size.


Plug from #4 Cylinder on left. This is what an electrode looks like at 101000 miles.
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Old 08-11-2014, 09:25 PM   #362
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Thank you for the great write up. Followed your instructions step by step and only broke one plug.
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Old 08-12-2014, 09:27 AM   #363
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Default Spark Plug Replacement

Quick question...hope someone can shed some light on this thread...


Going to replace plugs and ign coils on my 05 f150 5.4. Has 162k miles and plugs were changed in 2009 or 2010 (cannot remember and don't have the service bill handy) right at about 100k. Ford dealer. So current plugs only have the 62k on them.


I thought I heard ford/motorcraft abandoned the 3 piece plug back in 08 for the 1 piece plug....if I had them done at the dealership around the time mentioned...I would assume they used the new 1 piece design. So if I am going to swap them out, should I worry about any breaking? Wondering if I need to get the lisle tool?
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Old 08-12-2014, 05:24 PM   #364
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Don't worry. First plug change is the only pain. I'm sure you have standard one piece plugs now.
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Old 08-12-2014, 07:00 PM   #365
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Quote:
Originally Posted by ji603 View Post
Don't worry. First plug change is the only pain. I'm sure you have standard one piece plugs now.
No, the replacement plugs were improved, but they are still 2 piece. I would have the tool on hand.
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Old 08-12-2014, 07:02 PM   #366
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When I checked the plugs for my '08 at the ford dealer they were one piece.
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Old 08-12-2014, 11:03 PM   #367
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Quote:
Originally Posted by rahtreelimbs View Post
When I checked the plugs for my '08 at the ford dealer they were one piece.
If you have brown coil boots, that is a completely different design starting in 2008 and is indeed a one piece plug. All 3v 5.4L prior to 2008 use a 2 piece plug, whether the original or as redesigned by Ford.
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Old 08-26-2014, 12:13 AM   #368
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Sticky! Sticky sticky
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Old 09-13-2014, 10:09 PM   #369
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Default Worked great, thanks!

I did this for the first time today, with 140,000km on the truck (2004). Took 2 hours start to finish, could probably do it much faster next time. I ran two bottles of Redline SI-1 fuel system cleaner through the tank before attempting this job. All plugs came out no problem! I bought the special spark plug socket/extension for this engine and was very happy with it. Only needed a 3/8 impact swivel for the two back plugs w/ the impact, and a 2" extension to fit the impact driver. I did the first few with a pneumatic impact, then switched to an 18V cordless Makita impact driver that worked just as well and was an easier fit. Thanks for the guide and tips, saved me several hundred dollars easy.
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Old 09-13-2014, 10:09 PM
 
 
 
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