Brake drums are located on the rear of some vehicles and work with brake shoes to bring your vehicle to a safe and controlled stop. The brake drum forms a friction pair, which slows down the rotation of your wheels and disperses heat generated during breaking.Signs your brake drums need replaced The back of car shakes or vibrates when trying to brake.The car pulls to one side when applying the brakes.Noise from the rear of the vehicle when you apply the brakes.Want to make sure this fits your vehicle? Scroll down to use our registration lookup tool.