Engines 101: How Does a Valvetrain Work? | Toyota

In this installment of Toyota's Engines 101 series, we're taking a closer look at one of the most critical parts of an engine: its valvetrain. Watch more from this series:    • Engines 101: How Does a Diesel Engine Work...   Check out more Toyota car technology videos:    • Engines 101: How Does Forced Induction Wor...   0:00 Engines 101: Understanding Valvetrains 0:30 What does a valvetrain consist of? 2:19 What is VVT-I? 3:28 How does the Atkinson Cycle Engine make the valvetrain more efficient? Connect with Toyota USA online: Visit the Toyota WEBSITE: http://bit.ly/ToyotaSite Like Toyota on FACEBOOK: http://bit.ly/ToyotaUSAFB Follow Toyota on TWITTER: http://bit.ly/ToyotaTwitter Follow Toyota on INSTAGRAM: http://bit.ly/ToyotaInsta In this episode of Engines 101, take a brief look at the valvetrain design of an internal combustion engine. #Toyota #ValveTrain #Engines101