Question about Cars & Trucks
If you follow the plug wires from the coils, the plugs are under each boot.
Posted on Apr 28, 2015
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Posted on Jan 02, 2017
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Jun 29, 2016 | Ford Cars & Trucks
on Jan 23, 2010 | Ford Escort Cars & Trucks
Use your crescent wrench to disconnect the positive and negative battery
cables. Be careful not to touch both battery posts together with your wrench,
as this will damage the battery and possibly harm you.
Use your spark plug socket to gently grab the insulated end of the spark
plug wire; pull it away from the tip of the plug. The spark plug socket looks
like a regular set of pliers, except that the jaws have rubber inserts to grip
the insulation without damaging it. The plug wire itself looks like a 15-gauge
wire with a rubber boot on each end: One end is connected to the spark plug
present in each of the eight cylinders, while the other end is connected to a
coil pack terminal, usually located on the right rear side of the engine
compartment. The coil pack is a square, black, solid-state component that has
eight terminals for each of the eight plug wires.
Use your spark plug socket to gently pull the coil pack end of the plug
wire away from the terminal. Repeat the last two steps until all eight wires
Consult the service manual for your vehicle's year model and determine
the exact firing order. You will need to connect each new wire to the numbered
coil pack terminal and the corresponding engine cylinder. Failure to replace
the wires in the right order will result in failure of engine operation.
Use your crescent wrench to reconnect the battery cables (black wire to
black terminal, red wires to red terminal).
Start the vehicle and make sure it is running smoothly. If you hear
misfiring in the engine, use the spark plug wrench to make sure all the
connections are properly seated. If the condition continues, you will need to
further diagnose the electrical system.
Jul 15, 2012 | 1998 Dodge Ram
1. Pull the hood release lever located under the dashboard.
2. Walk around to the front of the car, reach under the hood, find the latch and squeeze it. Open the hood.
3. Find the spark plugs, located in a row along one side of the engine (on an in-line four-cylinder engine) and attached to thick wires, called spark plug wires. Cars with V-shaped engines (which can have four, six or eight cylinders) will have spark plugs and spark plug wires on both sides of the engine.
4. Change one spark plug at a time, always putting the plug wire back on before changing the next spark plug.
5. Pull off one spark plug wire where it attaches to the plug. There is a little rubber boot at the plug end of the wire; pull on this part. Pulling higher up on the wire can damage the spark plug wire and cause it to separate.
6. Blow or wipe away any dirt or debris around the spark plug. You do not want anything to fall into the cylinder while the spark plug is out.
7. With the spark plug socket and a ratchet, remove the spark plug by turning it in a counterclockwise direction. You may need an extension for your ratchet if the spark plugs are deep-set or not directly accessible. Ratchets with flexible heads are especially helpful for hard-to-reach spark plugs.
8. Check the spark plug to make sure it needs replacing. A good spark plug should be lightly coated with greyish brown deposits. If heavy deposits are present, if the spark plug is black or if the electrode or core nose are damaged, the plug needs to be replaced.
Video - www.carbasics.co.uk - look in the 'how to' section.
Hope this is of help
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