5.4 COILS

My neighbor came over with his 99 superduty and said he had an exhaust leak. Without popping the hood, it sounded like an air pipe broke off. What rreally happened was that one of the ignition coils broke loose and compression was blowing by. Has anyone else run across this problem? I do not understand how compression is getting passed the plug, unless it is broken. Any advice as to what to check will be appreciated.

Those of you on the Galaxie forum, I will try to post some build up pictures of my 64. Thanks

Hate to say it, but sounds like another bad head. Fords had lots of problems with plugs popping out of the head. I take it its not under warrenty anymore? If not its gonna get spendy. Good luck.


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I have seen repair kits available. Altough at 500 plus bucks kinda high. The kit comes with enough to repair several heads though. YOu can repair on car. It comes with a vacuum to clean the shavings out after rethreading to install insert. Good luck.

Personally I"ve never seen anyone utilize one of those repair kits.
Ford does NOT recommend it. We cant' at the dealership level. It's a matter of replacing the head. (and hoping you get a good one).
Haven't seen one in about a month now. (in saying that, we'll be inundated come monday morning).
Always recognize that old 'John Deere' 2 lunger sound when they come in the door..........[img]/phpBB/images/smiles/icon_frown.gif[/img]
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For something like this problem, why can't the dealer replace the head as a defect?

When was the problem "fixed"? Just in case I want to buy a truck with a 5.4, what years should I avoid? Whats the feed back on the V10, 6.8?

I worked on that truck this morning. The old plug was just sitting in the hole. By the looks of it, the plug had not been in for a long time. I got lucky though, the new plug screwed into the hole and tightened up. I just hope it holds. Thanks for all your information.

V10s did it too. Can't give specific years.
Mostly they're 5.4 heads, (that we're seeing).
As far as a recall, or ford buying back? Not gonna happen.
Too many 'not messing up'. When it gets to someone important, maybe it'll happen.
Talk to your dealer. PO5 maybe, (where dealer/ford pay a portion of the repair bill, and customer pays a portion.

Good luck. [img]/phpBB/images/smiles/icon_wink.gif[/img]
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