Mountain Driving 101: How truck brakes work, and how they overheat

This video is a primer on brakes. Equipment Editor Jim Park cover the basics on how they work and what happens when brake drums get hot. Hot brakes can diminish their stopping ability, so drivers operating in mountainous terrain must avoid overusing and thus overheating their brakes with poor downhill driving technique.

Read more about the art and science of driving a truck in the mountains.