How does car engine oil work?

Watch our new video on how to change your car engine oil in this video: https://www.youtube.com/watch?v=tnRWCWe4Qh8&t=21s

The journey of oil around a car engine takes as little as five seconds. In this time it protects critical engine parts, preventing damage. This short film take us on this incredible journey, truly demonstrating oil in action. For more information, please visit www.castrol.com.