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The 2010 Kia Optima comes equipped with a timing chain. It's recommended to replace the air filter every 15,000 to 30,000 miles, while the coolant should be changed every 60,000 miles. Spark plugs typically last up to 100,000 miles unless they are copper, in which case they should be replaced every 30,000 miles. Engine-related problems such as oil leaks should be promptly addressed, as well as loose gaskets that require immediate tightening. A loose spark plug can lead to engine issues, while excessive oil consumption may necessitate more frequent oil changes. Engine overheating poses a serious risk of fires and potential explosions.
Kia's 2010 Optima comes equipped with either a timing belt or timing chain, depending on the type of engine. The 2.4L 4-cylinder engines are equipped with a timing chain, while the larger 2.7L 6-cylinder engines utilize a timing belt for optimal performance.
The engine of the 2010 Kia Optima is equipped with a timing chain.