What happens when a brake drum is out of round?
What happens when a brake drum is out of round? Brake pedal pulsation: Brake drums that are out of round do not make constant contact with the shoes. Instead, the shoes bounce up and down causing a pulsation in the brake pedal. Parking brake doesn't hold: In some extreme cases, if the drums are worn thin enough, they may not make contact with the shoes. How do you know if your rear drum brakes are going bad? One of the first symptoms of bad or failing drum brakes is unusual brake pedal feel. If the brake drums are worn excessively...