It has a chain.
The 2011 Kia Optima has a timing chain.
The 2013 Kia Optima has a timing chain. All Kias have switched to equip timing chains versus belts.
timing chain
It has a timing chain and 2 external belts.
Does not have a belt but a timing chain in 2007.
timing chain
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.
Chain.
you have a timing belt its be-hin the cover
yes
The 2012 Kia Optima has 16 valves.
how do you replace the timing belt and time the engine of a2003 kia optima