Engines are lubricated via pressure, splash, and fog. Oil meets moving parts under pressure at the crankshaft and camshaft journals and bearings.

Have you ever heard of an engine splash shield or wondered what it's for? We explain its purpose, importance, and if it's easy to install a new one.

Many modern cars have a splash guard mounted on the underside of the engine compartment to protect the components under the hood from water, mud, rocks, and other road detritus. A missing or damaged ...

Get the inside scoop on everything you'll need to know about your vintage Mustang's engine oil and its need for zinc. More details along with photos only in Mustang Monthly ...

Oil changes are vital to ensure your vehicle is running at its best, but do jets need them, too? The answer isn't exactly straightforward. Here's why.

Nissan is recalling nearly 443,900 vehicles across certain models under its brand and the Infiniti brand in the U.S. over a ...

Whether you're changing your oil or simply checking its level, if you smell gasoline, there's a problem. Here's why it's an issue and what could be causing it.

CARS.COM — We’ll pull no punches in saying it: Engine oil is a crucial thing to keep tabs on from a maintenance perspective. That means you should check your vehicle’s engine oil at least ...

Oil companies and the auto industry are teaming up to preserve the internal combustion engine, as tough regulation and electric vehicles put the car industry’s century-old technology at risk.