This is done one sparkplug at a time, to avoid crossing sparkplug wires, start on one side and pull a wire off a sparkplug, some will be hard to remove, you want to twist the rubber plu and then pull, with the wire off then use a sparkplug socket and remove the sparkplug, gap the new sparkplug to specs, the auto part store will tell you the gap spec and show you how to gap, they will sell you a gapper toolif needed they cost about $2.00 after gapping the plug install by hand to get going then tighten with socket, dont overtighten just snug, then install sparkplug wire on plug and move to the next plug. good luck. hope this helps.
This is really an easy fix, the only problem really is getting to them, you need to replace the plugs one at a time to ensure that you put the wires back in the right place, follow each wire to a plug and as you are pulling the wire boot off twist it back and forth, after removing the wire, put the spark plug socket on the plug to determine if you need an extension on it, before you intall the new plug make sure you have it gapped properly, most plugs today come pre-gapped but it is always best to check, you can purchase a gap tool at any auto parts store, will your there have someone check and tell you the proper gap for your car, dont overtighten the new plugs, wrist tight is ok
Those are as easy as they come these days. Mark each spark plug wire with a piece of tape with the cylinder # written on it, so as not to mix up the wires. Remove each spark plug wire by firmly grasping the wire by the boot (do not pull on the wire) and twist it back and forth a few times while pulling slowly. It should pop off without a great deal of effort. If it is seized and it breaks, you will have to replace the wire, or at the very least replace the terminals (if you can get some). Use an air hose and blow around the base of each spark plug to dislodge any loose dirt that could fall into the cylinders (not absolutely necessary, but a good idea). Remove each spark plug with a spark plug socket and extension and ratchet (I forget which size socket, it's either 5/8 or 13/16). Check the gaps of each new spark plug (typically around 0.035 in). re-install each new spark plug by hand (do not cross-thread them) and once you have ensured that the plug is threaded in properly, tighten the plug until it seats, and then tighten an additional 1/16 of a turn. Repeat this for the remaining plugs. Re-install wires to the corresponding spark plugs. You're done!
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