JOPLIN, Mo. (KSNF/KODE) — The oil in your car’s engine has an incredibly challenging job.

From lying cold in the bottom of the engine’s oil pan, it needs to surge up to the valve gear at the very top, then flow all the way back down — and that has to happen almost instantly when you start the engine. The oil protects everything inside your engine: bearings, pistons, cylinder walls, and all the other parts that move or touch something that does.

Because your oil works hard, it’s important to know when that oil and its filter need to be changed.

The full article is available at ozarksfirst.com.