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How to Replace Spark Plugs on a Nissan Altima

Model: Nissan Altima L33 - Years 2013-2018
Part: Checks and maintenance

Spark plugs should be changed every 25,000 to 37,500 miles. To replace the spark plugs on a Nissan Altima, as shown in the video, you need to unbolt the engine cover. Be careful with the central pin that may break during removal. Unscrew and remove the four ignition coils from the Nissan. There should be no oil on the coils. Loosen the spark plugs until they are completely unscrewed, and you can easily extract them from their location using a magnet. Inspect them and replace with new ones. Repeat the steps in reverse until the engine cover is back in place.

Updated on 12 June 2026 by ScegliAuto

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