Hyundai 18868-08115 Plug Assembly-Spark

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Here are the steps to follow when removing and installing spark plugs: Allow the engine to cool. Inspect the new spark plugs and adjust their gap as needed. Remove the spark plug cover to access the plugs. Remove one spark plug at a time, and if necessary, use compressed air or a bicycle pump to clean debris from the spark plug hole. Thread the new spark plug into place, and tighten it with a torque wrench or ratchet. Inspect the spark plug wire before attaching it to the new spark plug using a twisting motion on the boot. Repeat this process for the remaining spark plugs, replacing them one at a time to avoid confusion with the wires. Optionally, apply a thin coat of anti-seize compound to the threads before installation to prevent thread damage during future removals.