DOES A 2009 NISSAN FRONTIER 4.0 ENGINE HAVE A TIMING CHAIN?

Yes, the 2009 Nissan Frontier with a 4.0-liter engine is equipped with a timing chain. Unlike timing belts, timing chains are generally designed to last the life of the engine, requiring less frequent maintenance. However, it's still important to keep an eye on engine performance and maintenance recommendations to ensure longevity.