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Discussion Starter · #1 ·
We have had instances of the 5.4 spark plugs breaking when being removed. Ford provides us with a special tool to remove them, however if the rear plugs break it requires removing the head or the if both break remove the engine. Scheduled maintenance suggests inspection or replacement at 100,000 or 160,000 kms depending on model. I reccommend you have the spark plugs inspected before the warranty expires. Either way it is an owner cost to inspect/replace but should they break warranty covers to remove them, saving a potentially costly bill.
 

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Thanks for the heads up..
Maybe I'll have this checked out since I'm boarding the 60k.. (58,550km)

Have an idea what spark plug change would cost?
 

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That's for the info.
Do you have any information on the problem of Lightning 5.4 plugs blowing out of the heads (the 4 thread heads-think 2000 to early 2003), have heard that Ford will now fix for free, even out of warrenty, is this true?
 

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Discussion Starter · #4 ·
I'll have to look into that one for you. Any after warranty adjustement, goodwill whatever you want to call it is now dependent on if the owner can prove maintenance at a Ford dealer. Then the guidlines are are under 100,000 k. I'll check though
 

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I blew 2 spark plugs rite out of my heads last year when she was at 190000km. I got ford to send the heads out and got all eight holes machined.
 

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It's a 2 1/2 hour job at 90.00 per hour.
about 15.00 per spark plug.
If a Cod is faulty then they are about 145.00 each.
If it's just the spark plugs then about 300.00 to 350.00
 

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cost me $266 plus tax to get mine done!
They were all decent looking.. so I guess I'm off to the races again.. lol
 

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Took me a new engine in my 2004 Lariat... Thanks warrantee :icon_razz:
 

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Hopefully this can save someone some money down the road.

You can pay a little now or allot later
 

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That's for the info.
Do you have any information on the problem of Lightning 5.4 plugs blowing out of the heads (the 4 thread heads-think 2000 to early 2003), have heard that Ford will now fix for free, even out of warrenty, is this true?
Steve, i dount this is true....damn cheap companies making faulty products!
there is a lot of discussion of this on svtperformance.com that i have read in the past.

just be sure to use anti-seize on the threads (to solve breaking the plug) - as for plugs blowing out, the only thing i know to do is to torque them to proper spec (i'll be doing this in a few months to mine).
 

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If you haven't changed plugs on the L are you in for some fun!!
If you want to get together some time when the weather warms up for plug changing let me know.
 

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Hey the 6s are no easier to change either :icon_lol:, there just isnt any room and unless you are a contortionist they are a major PITA to get the #3 & 6 out.
 

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I pulled mine out at 80k just to check and the back two were almost seized in there. If you waited until 160k, their not coming out. Recomend spinning them out every 80k at least and don't forget to use anti-seize on the threads for sure.
 

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If you haven't changed plugs on the L are you in for some fun!!
If you want to get together some time when the weather warms up for plug changing let me know.
my truck will be in the garage in april for my "mods" i'll be working on and ill have the s/c off so she won't be driveable.
if you wanna come down and change em w/ me, sure (and urs too)...have a few beers and get mad as we try to change them...lol!
 

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I smell a spring road trip GTG in Sarnia :icon_lol:
 

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Thanks for the tip. I'm at 90,000 on my 06, so I guess I should have the dealer take a looksie?
 

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I am at 43k kms and asked the dealer for a quote on how much it would cost to inspect the plugs and this is the info I got......



Operation: RM117 - Sparkplugs r&r 5.4L 2006 from 8-8-05

Notes: (Inclus. plugs inspect ignition sysytem & filters, adjust fuel systemas needed)

Labour hours: 2.00

Qty------Part Number----------Part Descrption------------Part price------------Ext Price
---8------FOSP-462 -------------SPARK PLUG---------------18.50---------------148.00

Misc Code-------------Misc Description-----------Quote Min----Quote Max--------Price
BSS-------------------SHOP SUPPLIES------------------------------------------14.72



Labour $:------184.00
Parts $:------148.00
Misc. $:------14.72
------------------------
Subtotal---$ :-----346.72




Now my dealer said

"We (the dealer) will not be responsible for any damages caused by removal of the plugs after the basic warranty runs out @ 60,000kms."

Is this bullshit or what. I pay extra to buy a supplemental new vehicle warranty to 160,000 kms and then they tell me that it will not cover the plugs braking off in my head after 60,000kms:wtfsign:
 
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