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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 job of the parking brake shoes is to hold the car in place (prevent the car from rolling) when you use the parking or emergency brake. Parking brake shoes are installed on cars that have rear rotors (also known as rear disc brakes). Most new cars (made after 1999) have rotors at the rear wheels.eep in Mind: 1  Parking brake shoes only exist on vehicles with rear rotors. 2  The thickness of the brake shoe will let the mechanic know if it needs replacing. 3  Sometimes a parking brake shoe will have debris or contamination; if this is cleaned off, the shoe may not need replacing.