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Re: f150 5.4 3v sparkplug change procedure
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.
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If it is coil pack type motor you have to remove each one ,and the the plug will be at the bottom of the hole,if it has spark plug leads it will
have plugs at the end where the head meets the block. They could be under a cover top of motor.
to replace spark plugs remove spark plug wire boots. use special sparkplug socket or else you can break the sparkplug. to remove turn ratchet counterclockwise remove all four one at a time, make sure that the sparkplug gap is correct. most plugs come pregapped...read the box it will tell.you. do not overtigheten plug once it has fully seated give it a good snug....if you do one at a time you dont need to mark the spark plug wires. if you mix up the wires your car will back fire which could cause severe internal damage.
hey you shouldnt, just be very carefull with them, a cracked plug will cause a misfire and if you crossthread the holes in the block you will be stuffed... just dont drop them and make sure you start them with your fingers before you attatch any kind of tools, its also a good idea BEFORE you take the plugs out to blow the holes with compressed air to get all the **** out, this will make them easier to start.
this is relatively easy i will suggest that you get a sparkplug socket with a swivel head this will keep you from breaking off the plugs in the head. to remove the plugs turn counter clockwise i will also suggest that you take them out 1 at a time and replace them the same way unless your sure as to what the firing order is. start all plugs by hand first to insure that they wont be cross threaded then tighten them down to a snug fit usually a 1/4 turn after they seat. hope this helps you.
This isnt a simple job, its best that a experienced mechanic works on this. You will need special tools for access to the rear head. All sparkplugs in the 1MZFE motor are in the center of the cylinder heads. There are COPs (coil over plugs) atop the sparkplugs, these must be removed first.**With Engine Cold** Front head: 1.remove Coils 2.use 5/8th plug socket and extension w/ratchet turn ratchet counter clockwise till plug is loose. 3. install new plugs (make sure the plugs are properly gapped). Rear Head: Intake manifold must be removed (you need a very large allen wrench for the intake bolts removal). Once this is removed follow the same steps as the front head. Here is some illustrations on the 1MZFE engine: http://www.turboninjas.com/camry/eg2.pdf
The best possible way to replace the center spark plug or number 3 plug is to jack the front end up so the wheel's are off the ground and go through the l/f wheel well splash shield to gain access to plug and wire. You will most definately need a double jointed 5/8 spark plug socket which can be purchased at autozone, pepboy's, etc. for about 8 dollars. To aide in installing it I suggest you use a piece of 3/8th's fuel line to start the spark plug by shoving the end of the plug into the fuel hose and twisting it into the cylinder head. I suggest you turn plug into cylinder head as far as you can go until you can put the socket back on it.