Add Yahoo as a preferred source to see more of our stories on Google. (Photo: Jim Allen/FreightWaves. Manual slack adjusters require consistent adjustment, while automatics should rarely be touched.

Correct valvetrain geometry is critical to ensure trouble-free operation of an engine, especially during high-rpm operation. When building a new engine, many people simply reuse the original pushrods ...

With the development of automatic slack adjusters (ASAs) has come the misconception that if you install an ASA on your brake system, the stroke will be accurate from then on. But things are never ...

The National Transportation Safety Board recommendations to brake equipment suppliers have long emphasized caution about manual adjustments for pushrod stroke when automatic slack adjusters [ASAs] are ...

When calculated by the minute, the rates that some mobile service people charge to adjust truck brakes would make many celebrity attorneys blush. Surprisingly, though, the fees – ranging from $75 to ...