Some Chevrolet Malibu owners report experiencing vibrations when stopping at lights or stop signs, which may be attributed to several potential issues. These include warped brake rotors, which can cause a pulsation in the brake pedal or steering wheel, particularly at higher speeds. Additionally, worn brake pads may lead to uneven braking and subsequent vibrations. Faulty brake calipers, such as those that are sticking or applying uneven pressure, can also contribute to this problem. Furthermore, suspension issues, including worn bushings or shocks, may result in vibrations during stops. Lastly, some owners find that worn or damaged engine mounts transmit engine vibrations to the chassis, which can be felt when braking. It is recommended that affected owners seek inspection from a qualified mechanic to diagnose and resolve these concerns promptly, ensuring a smooth and safe driving experience.