Monthly Archives: June 2021

How Do Drum Brakes Work?

How Do Drum Brakes Work?

Drum brakes play a crucial role when it comes to stopping your car. It is quite an intricate system made of such components as a brake drum, backing plate, brake shoe, and wheel cylinder. A drum brake uses the wheel cylinder to apply pressure on the brake shoes or pads, pressing them against the inside of the cylinder-shaped brake drum. This will slow down the wheels and eventually stop your car. Suffice to say, drum brakes are exposed to lots of heat which ultimately wear them out, calling for a replacement.   Self-Applying Features   Drum brakes are equipped with a self-applying (self-energizing) mechanism. The drum rotation will drive one or both shoes into the friction ground making the brakes grip harder, thereby enhancing the stopping power. This makes it easier for the driver to moderate the braking power.   Ideally, your drums are supposed to last for 200,000 miles. All the same, this is bound to vary, especially if there are more worn-out ... read more

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