It has a timing chain and 2 external belts.
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.
you have a timing belt its be-hin the cover
timing chain
A 2008 4Runner V6 has a CHAIN. The V8 4Runner has a timing BELT.
The 2011 Kia Optima has a timing chain.
The 2.0 liter four cylinder engine in a 2008 Hyundai Elantra has a timing BELT
how do you replace the timing belt and time the engine of a2003 kia optima
4 cylinder still have timing belt.
Does not have a belt but a timing chain in 2007.
The 2008 Kia Optima with a 2.4-liter engine is equipped with a timing chain, not a timing belt. Timing chains generally require less maintenance than timing belts and are designed to last the lifetime of the engine. However, it's still important to regularly check the chain and associated components for wear over time.