There are many fluids working to keep your car running, and today we're breaking down what they do and why your car needs em. Donut = We like cars, and we like making videos about cars. Hopefully our videos make you like cars too. Directed by: Phil Soulliere Produced by: Dani Maule Written by: Phil Soulliere Research by: Peter Nelson Camera Operator: Pablo Banuelos Edited by: Jacob Gehnert Hosted by: Justin Freeman with Zach Diehl Subscribe for +50hp Notification bell for +100hp Get a Donut shirt ► We have podcasts, too! Past Gas, the #1 automotive podcast in the world ► The Big Three, our weekly car news show ► Donut Podcasts YouTube ► Join the Donut Underground: Like working on vehicles? Subscribe to Real Mechanic Stuff! @realmechanicstuff Also our instagram has good memes: