Question about 2004 Ford F150

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I want 2 chg the plugs in my 04 Ford F150 5.4. I understand that meany times the plug break off or strip. Can u tell me how and what do I need to do the job with and what type of tools to use?

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  • davidrdonna May 26, 2011

    U haven't told me if I need any special tools are maybe I need to work on it while the engine is cold, are if I have to move anything in order to get to the plugs.

  • davidrdonna May 26, 2011

    I wanted to know if I need any special tools, or should I work on it only when the engine is cold, and do I have to move or take off anything in order to get to the plugs? This is what I asked and want to know?

  • davidrdonna May 26, 2011

    Dear jamiesturm29
    thanks 4 your advise, not to double guess u but I was told by a local mechanic shop that I should start with the engine cold and to spray the plugs and let soak over night to loosen the carbon build up on the plug threads. If this is good advise do u kno what to use on the threads as a spray? And should I loosen up the plugs 1/4 turn first to let soak?

    Thanks 4 any help

  • davidrdonna May 26, 2011

    Can some 1 help please, I dont want to break off or strip out the threads in the aluminum heads

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First twist the plug wire holding the end and not the wire. Twist as much as you can to the right and left so it will come off without damaging the wire.

Make sure your socket fits the plug by trying it on a new one. Twisting back and forth while pulling remove the ignition coil.

You will need a ratchet and extensions to reach the plugs. The plug on the driver side rear is usually the hardest to get to.

Here are a few tips from Auto Zone

Posted on May 26, 2011

  • Charles T Nevin
    Charles T Nevin May 30, 2011

    The engine should also be not running.

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A 5/8 inch socket, a long extention bar along with a ratchet will do. Firm pressure will remove the plugs. They strip often if the plugs were never changed for 6 years or better on most engines since they are frozen in place from age and heat

Posted on May 26, 2011

  • frank thomas wilson
    frank thomas wilson May 26, 2011

    remove after the engine has ran for 10 minutes for that will make the removal easier too

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Ok look man i work for ford for the pas five years and they say this is an issue


lets put it this say the plugs are a pain to get at honestly i own a 2003 exploer sport and 2004 f150 while they are a pain they dont break because ford had bad desin the break or mistheread because people are impatient and dont take time.

That being said ther is no way to tell yo advice other that use the proper tool for the job and to use the correct size spark plug socket with rubber groumnet inside to help support the shaft of plug.

If you need anyting more please ask but its really rather simple to do jus take extra time
'
please give good rating if it helps at all thanks

Posted on May 26, 2011

  • jamie sturm May 26, 2011

    dear sir heat expands metals meaning if the engine is hot the plugs will be less tight in the cylinder head





    that being said spray a little pb nut blaster on the plug base with the engine at operating temp and then shut off and let is soak 24 hours and they come out like a warm knife going thru butter

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  • Ford Master
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There should be no need to break off or strip a plug, EVER, Some are harder to get at, The key is to be certain to deliver torque to the base, in a square on fashion. Any twisting can cause you to press against and break a plug. Just do it correctly. Sometimes you have to use a spark plug socket with a combo wrench on it...Some Plugs are just hard to get at!!! Be careful and take your time.

Posted on May 26, 2011

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