Does not have a belt but a timing chain in 2007.
Timing chains unlike timing belts last the life of the engine.
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.
timing chain
It has a timing chain and 2 external belts.
The timing chain does not have a recommended change interval and should last for the life of the engine.The timing chain does not have a recommended change interval and should last for the life of the engine.
it has a timing chain !
The timing chain does not require replacement unless it has failed.
at what milage should the timing chain be replaced on a 95 ford aerostar
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.