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 ...

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 ...

Back in May, the Commercial Vehicle Safety Alliance (CVSA) conducted its annual one-day surprise inspection of bus and truck air brake systems as part of its ongoing “Operation Airbrake” program. A ...

Bendix Spicer Foundation Brake has announced a new, next-generation double-diaphragm spring brake for drum brakes. According to Bendix, the new EverSure spring brake offers the lightest weight in the ...

The hardest part of disassembling the brakes is usually removing the drum. Some drums and most backing plates have inspection slots near the bottom (sometimes covered with a rubber plug or a steel ...