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

As much as I enjoy driving tractor-trailers, one thing that has irked me for many years is the parking brake valves on the dashboard. The two push-pull valves -- the yellow one for tractor brakes and ...

In a perfect world, truck and trailer brakes would work perfectly, would wear out at the same time, and would never cause driver complaints. Utopia. But don’t hold your breath. However, even in this ...

Paccar Inc., one of several manufacturers whose trucks are affected by problems with a Bendix air-brake valve, has issued a recall that includes 21 Kenworth and Peterbilt models. Meanwhile, the other ...