Drum brake Adjusterratchet Drum Lining Shoe Backplate Cylinder Brake pipe Piston Returnsprings
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A drum brake with a leading and a trailing shoe, which has only one hydraulic cylinder; brakes with two leading shoes have a cylinder for each shoe and are fitted to the front wheels on an all-drum system.

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How the braking system works

Modern cars have brakes on all four wheels, operated by a hydraulic system. The brakes may be di...