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2007+ Expedition & Navigator 2007, 2008, 2009 and 2010 Ford Expedition and Lincoln Navigator

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Old 01-03-2009, 04:30 PM
clearnetedm clearnetedm is offline
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How to Check 08 Expy has the Spark Plug Issue?

Is there a way to check if a 08 Expy will suffer from the latest spark plug removal issue? I know the STB specifies a build date for the 08's but I'm not sure how the check.
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Old 01-03-2009, 06:48 PM
clearnetedm clearnetedm is offline
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Hi guys. You can disregard this. I found my build date on the engine and the TSB only affects build date up to 10/9/07, thank god.
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Old 01-03-2009, 09:15 PM
680276122 680276122 is offline
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Can you elaborate on the TSB and spark plug issue? Reason is my build date is July 07 and I try to stay away from the Stealership as much as possible except for required items....
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Old 01-03-2009, 09:49 PM
clearnetedm clearnetedm is offline
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I guess from 2005 to 2008 Ford used a faulty spark plug in the 5.4L, 4.6L engines. When you try and remove them they break causing additional servicing. There is a FSB to help mitigate the problem but it appears it still fails a lot. Any way here is the FSB from another site:

http://www.fcsdchemicalsandlubricant.../tsb/06152.pdf

You can find lots of forums and chats about this. Most are staying you should replace the plugs earlier than later, but be prepared to extract the broken parts or get it done at the Ford shop then pay $$$. I think most people are out of warranty when this hits. I've just started to read into this as well as I just got a new 08 Expy.

There is also
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Old 01-03-2009, 10:23 PM
clearnetedm clearnetedm is offline
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I guess from 2005 to 2008 Ford used faulty spark plugs that when they are tried to remove will break causing more servicing. The TSB has some ways to help mitigate this but it still seems to fail a lot. Here is a post from another forum that has the TSB. Lots of treads and forums are talking about this headache. I've just started to dig into it.

The TSB is attached to this thread near the bottom.

TSB
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Old 01-04-2009, 08:33 AM
clearnetedm clearnetedm is offline
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Sorry for the double thread. The first post didn't seem to take right away for some reason.
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Old 01-05-2009, 09:00 PM
680276122 680276122 is offline
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Thanks for the info! Now I'm figuring out if I should just change my plugs now to the 1 piece design, or just wait until the need changing and let the dealership do it..... I've got 11K on it and looks like you need to address it by around 15K or run the risk of breaking them later.
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Old 01-21-2009, 04:22 PM
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Bopper Bopper is offline
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The Dealer will put the same 2 piece plugs back in. There is not a 1 piece replacement from the dealer for the 2 piece plug. How they address it is by coating the lower sheath, till about a 1/4" away from the igniter of the plug (not the Threads) with nickel anti-sieze to prevent carbon build up.
I have a 08 Mustang w/ the same plugs. I pulled them as per the SB and coated them as preventitive Mx. Stang only has 2000 miles so they came out real easy.
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Old 01-21-2009, 04:22 PM
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