Question about 2004 Ford F150

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I have a 2004 F-50 with 5.4 Triton engine. This truck has 55,000 miles. I thought about changing the spark plugs before they get to 100,000 miles realizing at that time one or more are more likely to break off in the heads. Is this thinking ( changing now rather than later) realistic, or can they break off at anytime. I have a good mechanice who is afraid to work on the truck because of this issue. Is there anything we can do to facilitate getting the old plugs out in one piece. Is there anything Ford dealers are able to do about this serious design flaw. THANKS for any input. I have driven a Ford since I was 16, I am now 70, but this issue with the plugs is vexing enough to reconsider my loyalty

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Hi, it is best you change them sooner rather than later as they will get brittle due to the heat, the thing is if its running ok and not missing then the chances are you may get another 50,000 from the plugs with no problem but if they do play up they will need changing and their is the problem.

if you really want them changing then the only advice i can give you is to make sure the spark plug socket is on perfectly strait and when you use a ratchet to undo them make sure it is held perfectly strait if its at an angle then they can break but holding it strait should get them out with no problems.

as for ford their is no easy option for getting them out if their going to break then their going to break, you need to make sure the tool is perfectly strait i mean their is no special tool you can use other than a spark plug socket. so as long as this is strait and not putting any pressure on it to one side they should come strait out.

1 tip i can give you is if you do it with the engine warm it should allow them to come out easier and when you put the new ones in make sure you dont over tighten them or cross thread them.
just drop the plug into the whole then using the spark plug socket turn them by hand they should go in a few turns before you need to get the ratchet on to tighten them up properly.

dont over tighten them once their in start the engine and make sure its not missing.

check the new plugs are the exact same length as the old ones and you should have no problems

as its only done 55th then the plugs should come out with no problems just take your time and keep the tools strait and dont put pressure to the one side when turning the ratchet keep it strait.

let me know if you need further assistance ok

plz rate this solution as i have a whole page of unrated posts, thanks

Posted on Aug 30, 2010

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