Here's a general breakdown of which Kia 2.4 engines have a timing belt or a timing chain:
1. Kia 2.4L DOHC Engine (Theta II):
- Introduced in 2011
- Found in various Kia models, including the Optima, Sonata, Sportage, and more
- Uses a timing chain
2. Kia 2.4L GDI Engine (Theta II):
- Introduced in 2013
- Found in various Kia models, including the Optima, Sonata, Sportage, and more
- Uses a timing chain
3. Kia 2.4L MPI Engine (Theta II):
- Introduced in 2006
- Found in older Kia models, such as the Sonata and Optima
- Uses a timing belt
It's important to note that this information may vary depending on the specific model and year of your Kia vehicle, so it's best to consult your owner's manual or refer to a reliable source for information about your specific model.