Have you ever tried to back up an 18-wheeler? It's no small feat, but once you understand how air brakes in semi trucks work, it all starts to make sense.

The hardest part of disassembling the brakes is usually removing the drum. Some drums and most backing plates have inspection slots near the bottom (sometimes covered with a rubber plug or a steel ...

Most modern cars stopped using drum brakes years ago, adopting disc brakes for their improved performance and heat resistance. Those sound like pretty good reasons, so you'd think they'd be just as ...