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Brake Shoes. 1  Brake shoes are at the heart of a drum brake system and are the old school approach to slowing cars and trucks down. Drum brakes have been in use since the creation of automobiles and can still be found on the rear axles of some trucks and small cars due to their simple design and incredible durability.
The brake shoes on this system are connected to a lever that is pulled by the parking brake cable to activate the brakes. The brake drum is actually the inside part of the rear brake rotor. On cars with automatic transmissions, the parking brake is rarely used. This can cause a couple of problems.