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How to Replace the Spark Plugs on the Kia Optima

Model: Kia Optima / K5 MK 3, TF - Years 2010-2015
Part: Spark plugs

Today, we will see in this video tutorial how to remove and replace the spark plugs on the Kia Optima in simple and quick steps. First, open the bonnet of your car and start by removing the upper engine cover; then use a socket spanner to unscrew the bolts of the coils, disconnecting the electrical connectors as shown in the video. At this point, unscrew the spark plugs using a socket spanner with an extension; then replace them with new ones of the same thread size, tightening by hand and securing with the correct torque!

Updated on 25 July 2026 by ScegliAuto

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by ScegliAuto

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