Basic Components of Braking Systems

Disc Brakes- this system uses a metal disc that is pinched by special brake pads to slow the vehicle. They offer superior braking and are usually on the front wheels which do 70% of the braking. They are optional for all four wheels. 

Drum Brakes- in this enclosed system, wheels are stopped by brake shoes that push out on a drum. 

Dual Master Cylinder- the master cylinders work independently to pressurize the brake fluid. The pressurized fluid activates the brake mechanism. Redundant independents systems allow you to brake even if one fails. 

Brake Lines- steel tubes that carry brake fluid and conduct hydraulic pressure. 

Power Brake- reduces the driver’s effort to brake by enlisting the engine to boost brake pressure. The power brake system is designed in such a way that should the engine fail, braking will still work one more time. 

Parking Brake- also called the emergency brake, it uses cables and levers to activate the rear brakes in case the hydraulic brakes fail. It should also be engaged when parking on a hill or slope. 

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