First you need to research your Make and Model vehicle and determine your spark plug size (5/8 or or larger) typically there are only 3 sizes but you'll need to know which as you will have to buy the Spark plug socket to remove them. Next you need to locate a online diagram or Haynes Manual to see if you yourself can reach or change the plugs and wires as some cars are built in such a way that only a Technician would know how to reach them properly. 3rd you will need to determine if the OEM wires (Original Equipment Manuafacturer) part is available (cheaper) or if you will have to buy a aftermarket set (Bosch or ACCEL). Removing plugs will require a Socket wrench, spark plug socket and extension. when putting in new plugs make sure you use Anti-sieze on the thread of the new plugs before installation (keeps from locking up into the head) also make sure you use Plug wire boot lubrication before putting in new wires (this helps make sure that future plug replacement is easy as it will help the boot slide on and off. That's it without knowing your exact make and model.
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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Just saw the Make and Model, lol. I will find diagram for you.
http://www.ehow.com/how_4484639_replace-...
the link is the step by step guide to do it.
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