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It has a timing chain and 2 external belts.
you have a timing belt its be-hin the cover
The 2011 Kia Optima has a timing chain.
It has a chain.
The 2013 Kia Optima has a timing chain. All Kias have switched to equip timing chains versus belts.
The 2008 Kia Optima 4 cylinder equipped with a timing chain will normally last the life of the engine and is changed when the engine is rebuilt. The 2.7 Liter V6 is equipped with a timing belt which MUST be changed every 60,000 miles. Warning the V6 is an interference engine.
timing chain
The Accord changed from a belt to chain in 2003. The Civic changed from belt to chain in 2006. Prior to that they all had belts.
Does not have a belt but a timing chain in 2007.
4 cylinder has a timing chain ,6 cylinder has timing belt.
The 4 cylinder has a timing chain and the V6 has a timing belt. No maintenance is required on the 4 cylinder chain.
timing chain