The emergency and supply lines that stretch between a tractor and trailer offer a colorful reminder that compressed air is the lifeblood of your brake system. The hoses are a respective red and blue, ...

Semi air brakes rely on compressors, reservoirs, dryers, valves, brake chambers, pushrods, and S-cams to move shoes or pads ...

I consider brakes the single most important system on a truck. Yet few drivers or even fleet maintenance personnel have ever had the opportunity to see what brakes can really do. I had such an ...

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 ...

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 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 ...