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Engine & Drivetrain "How-To" articles pertaining to the Engine and Drivetrain of an F150 (including Exhaust)
Old 01-27-2015, 05:28 PM
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Issue: How To: Spark plug change-2004-2008 5.4 3V V8

Find out how to make this difficult task manageable with more information about the following:

• Tool and parts needed
• Step-by-step directions
• Proper use of a lisle toolClick Here

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How To: Spark plug change-2004-2008 5.4 3V V8

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Old 06-03-2013, 01:10 PM
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I have 112k on truck I doubt for will do anyth
Old 06-03-2013, 01:45 PM
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Originally Posted by KingRanch4Life
Didnt unplug it when i disconnected the battery.. Never had to do it before...
Are you supposed to? Ive had my battery disconnected several times with my Edge connected and Ive never had issues with it.
Old 06-03-2013, 07:10 PM
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Originally Posted by kozal01

Are you supposed to? Ive had my battery disconnected several times with my Edge connected and Ive never had issues with it.
Dont know for sure but it blew the fuses for my amp as well.. Edge are nice folks.. They are going to fix it and i dont have to get my ECM reflashed.. Wondering how thats gonna work with my custom tunes...

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Old 06-03-2013, 07:18 PM
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Originally Posted by KingRanch4Life
Dont know for sure but it blew the fuses for my amp as well.. Edge are nice folks.. They are going to fix it and i dont have to get my ECM reflashed.. Wondering how thats gonna work with my custom tunes...

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Wow, Maybe Ive just been lucky huh? Thats great that Edge is taking care of you though.
Old 06-04-2013, 12:06 AM
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I called ford and they said its covered under warranty even at 114k he said no limit on mileage. Next time one goes I'm driving the **** out of so I get a new motor
Old 06-04-2013, 08:38 AM
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^^^ I wouldn't trust that..... Better get it in writing...^^^ Blow your engine and no one will remember telling you that you are still under warranty...
Old 06-04-2013, 11:21 PM
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Originally Posted by M8214m
I called ford and they said its covered under warranty even at 114k he said no limit on mileage. Next time one goes I'm driving the **** out of so I get a new motor
I thought the warranty was 11 years or 120,000 miles. That is what I was told when my number two injector was stuck open and ultimately replaced.
Old 06-20-2013, 07:55 AM
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Followed this tutorial to a T. It worked perfectly! Went 8 for 8 with out breaking a plug! I appreciate the write up.

-- Only one issue arrived when I changed my plugs. I originally bought the Motorcraft SP 515 (as suggested). When I went to change out the plugs, the plugs that came out from my truck did NOT match the SP 515. I had to replace them with a SP 509. As the size and threads were different. Did anyone else run into this issue?

My truck is a 2008 F150 Harley davidson, not sure when they changed the plug size from 515 to the 509, but it created quite a head ache with the wife.

Here are a couple other resources I would suggest looking into if you need to use that Lisle tool:

Secondly, I used this video as another resource to see how to use a impact wrench:

That guy who creates these videos does a great job of posting all kinds of various repairs. I'd suggest anyone who needs help on other jobs look up his videos.

Good luck you can do it! I did it... and still had time to install the Rancho Quik Lifts, when I was waiting for the plugs to soak in the PB buster & Carb Cleaner.
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Old 06-20-2013, 08:23 AM
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The instructions that come with the lisle tool is pretty straight forward.. Took me all of a minute to read and three minutes to get the broken plug out...
Old 06-20-2013, 08:24 AM
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Were the coil boots brown? That means you have the redesigned heads and plugs and those don't break, so the procedures here don't apply.


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