Inspectors pulled 2,296 commercial vehicles off the road during the 2025 Brake Safety Week, a 15.1% out-of-service rate virtually identical to 2024's 15% failure rate. With next year's enforcement ...

Proportioning valves come in all shapes and sizes and vary considerably depending on the car you are working on. But the most common problem you'll face is which valve should be used on which car. To ...

Though a decade ago it was far from the case, nowadays, the likelihood for a technician to work on a newer truck with air disc brakes (ADBs) is about the same as one with drum brakes. “Almost half of ...

The following was published in CCJ's Air Brake Book, 11th edition, sponsored by Silverback HD. CCJ's Air Brake Book is a complementary industry resource, courtesy of our partnership with Silverback HD ...