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 ...

From the September 2002 issue. Adding anti-lock brakes to trailers has brought many benefits over the years — safer stopping in general, increased stability in hard braking or on slippery surfaces, ...

Bendix is making available information pertaining to its voluntary recall of some 200,000 of its SR-5 trailer spring brake valves. That May 17 action has prompted recalls of over 30,000 trailers by 11 ...

Hydraulic-over-air relay valves are designed to convert hydraulic-modulated input pressure to a proportional output air pressure. The valves are suited for on and off-highway applications, including ...

Most incidents involving total air-brake failures go unreported officially and simply become the stuff of legend. But a few too many of them have resulted in very public collisions. Until recently, ...

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 ...

Bendix has issued a recall on more than 190,000 of its SR-5 Trailer Spring Brake Valves, resulting in more than 30,000 trailers being recalled by 11 trailer manufacturers. The affected Bendix units ...

The electronically controlled braking system (EBS or ECBS), also called electro-pneumatic braking or brake-by-wire, has been waiting in the wings for several years. It’s still back there but, ...

Square Wheel Inc has added the Express Garage trailer air and electrical systems tester to its product line. Express Garage combines a remote-controlled Square Wheel Inc has added the Express Garage ...