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How to Replace Spark Plugs on a Hyundai Sonata

Model: (Various brands) Various
Part: Spark plugs

Before you can begin, open the front bonnet of your Hyundai Sonata. Start by unclipping and removing the upper engine cover. Next, unscrew and remove the bolts that secure the spark plug leads to the engine head, then extract and remove the leads themselves. By doing this, you will have reached the spark plugs. Now proceed to unscrew and remove them, and you will have successfully completed the disassembly. To fit the new spark plugs and close everything up, simply repeat this straightforward procedure in reverse, and the replacement will be complete.

Updated on 6 April 2026 by ScegliAuto

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