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Spark Plug Problem

Old 03-04-2010, 12:49 PM
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Default Spark Plug Problem

I have heard that 97-03 5.4L Triton engines have many problems with the spark plugs either blowing out, or breaking inside of the hole. What is a solution or a way to prevent this problem from happening? If i can get the plugs out i am going to replace the plugs with platinum plugs so they don't rust in place. Is this a viable solution or is there another known way of fixing this issue?
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Old 03-04-2010, 01:20 PM
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pretty sure thats the 04 & up 5.4. I just did mine with no issue.
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Old 03-04-2010, 02:43 PM
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Okay hopefully mine goes smoothly then. I really dont want to have to do any work to the heads
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Old 03-04-2010, 03:59 PM
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yea the problem is with the 04-07s. Ford installed 2 piece spark plugs that were prone to breaking off inside the head. the 97-03s do not have this problem.
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Old 03-04-2010, 04:15 PM
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the 97-03 4.6 engine has the spark plug problem in that model year
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Old 03-04-2010, 04:18 PM
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Originally Posted by hillbilly25002000 View Post
the 97-03 4.6 engine has the spark plug problem in that model year
huh? be more specific...what problem and what year?
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Old 03-04-2010, 04:23 PM
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on the 97 to 2003 f150s with the 4.6 liter engines the spark plugs are only held in by 2-3 threads and if not torqued down just right it will shoot the plugs out of the heads
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Old 03-04-2010, 04:27 PM
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Originally Posted by hillbilly25002000 View Post
on the 97 to 2003 f150s with the 4.6 liter engines the spark plugs are only held in by 2-3 threads and if not torqued down just right it will shoot the plugs out of the heads
That is another thing i have heard about these trucks. I have heard that the 5.4 does it too. Has anyone had this problem with them?
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Old 03-04-2010, 06:21 PM
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Do a quick google or forum search for "spark plug blow out" and if this is your only mode of transportation, get the Timesert kit before you start.
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Old 03-04-2010, 09:07 PM
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with the timesert kit you wont have to take the heads off if you strip the threads, if you are careful you shouldnt strip any of the threads
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