Category

Cooling & Lubrication

How engines shed heat and keep metal surfaces separated by oil films.

0 of 2 lessons done

Start here: Engine Cooling System

Learn it from the surface down 2 lessons

1
Surface
Get the idea0/1 done
What it is and why it exists, in plain language, with the whole system in view.
- Engine Cooling SystemUp nextOnly part of the fuel's energy becomes motion; much of the rest is heat that must leave the engine. Follow coolant through the water jacket, thermostat, radiator and pressure cap, and learn why an engine must run warm — but never too hot.Not started. 11 minutes.
2
Mechanism
See it work0/1 done
How the parts move and interact, usually with a live 3D laboratory.
- Lubrication SystemEngine oil keeps rotating metal parts from ever touching by holding them apart on a pressurised film. Learn how the pump, filter and galleries feed the bearings, what viscosity grades mean, and why oil pressure warnings are urgent.Not started. 12 minutes.