As the performance benefits of air disc brake technology continue to gain the confidence of the commercial vehicle industry, fleets and drivers that have already adopted air disc brakes are seeing ...

As you can see in Figure 15-3, you have to remove a bunch of stuff to get to a drum brake. The steps here explain how to do so and what to look for when you finally get to your brakes. Caution: ...

Air brake systems are made up of many separate parts, all of which must be in good condition to provide reliable operation. Inspections catch problems early. In addition to visual driver inspections, ...

Mitchell 1 has added color air brake diagrams to Tractor-Trailer.net, its comprehensive Web-based truck repair manual system. The pneumatic diagrams will include the same widely-used features as the ...

Let me start off by saying my hands aren’t entirely clean when it comes to making automotive repairs with zip ties. Is it a perfect solution? No. Has it been the only solution on more than one ...

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 ...

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 ...

Nearly 1,600 vehicles were put out of service for brake violations during the Commercial Vehicle Safety Alliance’s unannounced Brake Safety Day in April. On April 25, 52 U.S. and Canadian ...

The Mining Safety and Health Administration offers some pretty sobering statistics and investigations. Take one recent incident, for example. A 50-year-old haul truck operator was fatally injured ...

When your car’s brakes are new, slowing down is effortless, and the pedal feels solid. No hesitation, no inconsistencies in the system as the driver’s foot presses toward the floor. Unfortunately, ...

When the brake pedal is pressed, the exhaust passage will be closed and the air intake passage opens and compressed air goes back to the chamber. During the return stroke, the exhaust passage opens ...