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Things you will need Spark Plug Socket And Wrench of the correct size for your spark plugs
Basic Instructions. Step 1 Locate your spark plugs look for other obstructions besides your spark plug wires if you have any other obstructions you will need to remove them as well to gain access to your spark plugs. Step 2 Remove the spark plug wire for one single spark plug at a time. this will insure you will not replace the wrond spark plug wire to the incorrect spark plug, if not done this way you could change the firing order of your engine. Step 3 With your spark plug Socket and wrench rotate the spark plug in a counter clock wise direction for removing. Step 4 After you have removed your spark plug insert your new replacement spark Plug into your spark plug socket before inserting it into the correct location. spark plug sockets are made to hold on to the spark plug for easy removal and install. Step 5 insert your new spark plug, before you rotate your spark plug for tightening rotate the spark plug a 1 quarter turn in the counter clock wise direction, then start tightening the spark plug by rotating it in a clockwise direction This will insure you will not strip the threads. Step 6 Continue rotation your spark plug in the clock wise direction untill snug, then with just a lil more pressure tighten it up just a little more. be sure to not put to much force on the spark plug after it has been snug, you just have to apply a little more pressure but not to much that could cause it to break. Step 7 After tightening the spark plug replace the correct spark plug wire. then move on to the next spark plug and follow the same instructions.
if you have any other visiable obstructions preventing you access for replacing your spark plugs you will need instructions on how to remove them parts. i have just instructed you on how to remove and reinstall the spark plugs only.
Locate the spark plug wires in the Cherokee cylinder head. In the 4.0 liter engine, the spark plugs are below the coil rail assembly. On the 4.7 liter engine, the spark plugs are located under each corresponding engine coil.
First, remove the no. 1 engine cover. Locate the ignition coils, these will be squarish-looking packs with spark plug wires (4 of them) coming out. The wires should be going to the spark plugs, which are on the front and back side of the engine.
Grab the ignition coils or spark plug wires by the thick plastic piece at the end of the wire. Squeeze the end and turn it to release it from the spark plug. Pull back to remove the plug from the engine. Slide the spark plug socket over the spark plug. The most common size of spark plug socket used on a Toyota Highlander is 16mm. Turn the socket to the left to unscrew and remove the spark plug from the cylinder well.
You won't find any wires...That vehicle is equtpped with Coil On Plug (COP) ignition. The spark plugs are located under the ignition coils. It is not recommended that you try to replace the spark plugs unless you have access to compressed air to blow dirt and debris out of the spark plug holes. I have had to replace many engine valves because of this.
Follow this steps on how to replace the spark plugs,
Locate your spark plugs before beginning. Accessing the spark plugs
can vary greatly depending on the model of motorcycle. The Ninja
series bikes place the spark plugs near the top of the motor, hidden
beneath the fuel tank and air box.
Remove the seat and fuel tank. Locate the bolts that secure the fuel
tank to the frame and remove them with a socket wrench. Lift the
fuel tank upwards and disconnect the fuel lines. Pull the entire
tank away from the motorcycle and set it aside.
Unscrew the air box lid with a screwdriver and remove. Remove the
air filter and locate the bolts that secure the air box to the
motor. Unscrew the bolts with a screwdriver and pull the air box off
of the motor. Take note of the locations of any wiring or hoses that
may be attached to the air box before disconnecting them.
Pull the spark plug wire off of the first spark plug and clear the
plug cavity with compressed air to remove dirt or debris that may
been trapped. Remove the spark plug with a spark-plug socket. If
needed, use a socket extension to reach the spark plug in the
Insert a new spark plug into the cavity and carefully tighten with a
spark plug socket. Slide the spark plug wire onto the end of the
spark plug and press down until the wire clicks into place.
Repeat as necessary for any remaining spark plugs. Reinstall the air
box and reconnect any hoses or wiring removed earlier. Insert the
air filter into the air box and seal the lid by tightening its bolts
with a screwdriver
Reinstall the fuel tank, reconnecting the fuel lines and tightening
the mounting bolts with a socket wrench. Replace the seat.
There are eight COPs (coil-on-plugs) to remove. Using a 7mm or 9/32" socket, remove each bolt securing each COP to the intake manifold on top of the engine. Remove all eight COPs, and the spark plugs are underneath. When replacing the spark plugs, use only the proper Ford/Motorcraft plugs, even if they cost twice as much as the aftermarket ones. You will avoid further headaches this way. Hope this helps.
is located over the cylinder head.theres no difficultyto replace them your self. recommend replacing them when the engine is cooled down because you could damage the spark plug thread when the engine is hot. all you have to remove is the ignition coil housing to replace them and there you will see the spark plugs.
Locate the spark plug cover on the engine.On some Toyota Tacoma engines, the cover is across the top of the engine. On others, it is along the side 4 cyl. Remove the cover to reveal the ignition coils and spark plugs wires. The spark plug wires are plugged directly into the engine and the ignition coils are in the tip of the spark plug wire. Remove the coil and wire from the spark plug. Twist and pull the plug out of the engine. Remove the spark plug from the cylinder well with a socket extender and socket wrench. Turn the wrench to the left to unscrew the spark plug from the engine. Discard the old spark plug and apply a coat of anti-seize compound to the threads of the new spark plug. Insert the new spark plug into the socket. Use the socket and extension to screw the spark plug into place. Return the ignition coils and spark plug wires to the engine and turn it to lock the plug in place. Repeat the entire the process with the remaining spark plugs. Replace the spark plug cover when all of the spark plugs are replaced. Good luck and hope this helps and The spark plug tension may range between 11 and 15 foot pounds, depending on the size of the spark plug. The correct tension is indicated on the spark plug's packaging.
1. Purchase a wrench for spark plugs
2. pull the tension wires from engine.
3. insert the wrench until wrench gets a grip of spark plug
4. turn until plugs are completely loose
5. do this for the rest of the plugs
6. replace old with new plugs.
7. do the same thing but now, you tighten the plug (like screws)
8. return the tension wires
* remember to know exactly the correct location of each tension wires, return to it's exact location (length of wires will help)
* as you take out old plugs, cover the hole where plugs are placed for it not to get dirty.
* in replacing, make sure that plugs are tightly inserted (not to tight though)