Question about 2004 Ford F150

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F150 5.4 3v sparkplug change procedure

Need procedure so i dont break off end of plug in the head

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If you have the plugs and you have the right tools there really should not be any issues. However if your lacking some of the tools then there could be issues. I also recommend remove one and then install one. Be sure that you have a rubber lined deep socket that fits the plug. Other tools needed are a 3/8's inch drive ratchet with one short and one long extension. Use the ones that have the keeper ball and rounded heads. You may also need a 3/8's inch u-joint (swivel) it can help ensure that you do not exert force on the ceramic insulator of the plug. When removing apply some pressure to the plug and if it appears to be requiring excessive pressure stop and replace the wire. Then run the vehicle until the engine gets hot. Then try again, however there will be potential to get burned if your not careful. If it still appears to be too hard to remove then replace the wire and remove another one and then replace it. Go back to the hard ones later when the engine has cooled and then spray it with a penetrating oil. Allow it to set for a few minutes and then try and removing it. If it still wont budge spray it again with penetrating oil and repeat. Your local auto supply should have penetrating oil. If you use the penetrating oil don't allow overspray to hit any wires or hoses. Dont know if this is the sort of instructin you were wanting or not, hope this helps.

Posted on Mar 08, 2009


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