It’s impossible to fix something without understanding how it’s supposed to work. Brake system repair decisions can be difficult to make, and costly to execute, without a basic understanding of system ...

This article was updated May 11, 2022, with new dates for the 2022 annual International Roadcheck blitz. A truck sits and waits on costly roadside service along I-10 at the weigh station in Sneads, ...

CVSA's National Roadcheck June 5-7 may be focusing on hours of service, but you can bet that lots of trucks will be put out of service for brakes. To help you out, here’s a refresher course on ...

New air brake leak finder technology is helping fleet operators increase uptime. The tool uses DOT standards to indicate in one minute – with a simple green-red, pass-fail - whether the tractor or ...

Air brakes have a long history of reliable performance in the medium- and heavy-duty truck markets, yet these systems cannot be ignored without costly consequences. A good inspection process and ...

If you're like most people, you're usually aware of only one part of your brake system: the brake pedal. You're so familiar with it, in fact, that you can probably tell if something's different just ...

Many of the larger vehicles on our roads have one intriguing thing in common: They can make sudden, loud, gas-escaping hissing noises. These noises, admittedly, have made this writer jump — on more ...

When the brakes are applied, circuits send compressed air from the storage tanks to front and rear service chambers that push the brake shoes into the brake drums, thus slowing down the vehicle. Semis ...

If there’s one thing on commercial vehicles that operations and maintenance professionals need to understand, it’s braking systems. Not getting a truck to start rolling on time will cause delayed ...