The Vacuum Booster - How Power Brakes Work

Power brakes are fairly ingenious machines -- these systems allow you stop a car with a simple twitch of your foot. Take a look inside the black cannister that provides the power.
If you've ever opened the hood of your car, you've probably seen the brake booster. It's the round, black cannister located at the back of the engine compartment on the driver's side of the car. In this article, we'll see what's inside the black can

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