What Causes Squeaky Brakes in Sedans?
2 Answers
Here are the reasons for squeaky brakes and how to deal with them: 1. Severe wear of brake discs and brake pads, which requires immediate replacement. 2. The new brake pads and old brake discs are in the breaking-in period, and the noise will disappear after driving for a while. 3. Long-term parking in damp places causes rust on the brake discs, which will disappear after driving for a distance. 4. Stones or other foreign objects are stuck between the brake discs and brake pads during driving, and the noise usually disappears after some time. Here is some related information about brakes: 1. Braking, also known as deceleration, refers to the action of stopping or reducing the speed of running locomotives, vehicles, and other transportation tools or machinery. 2. The general principle of braking is to fix a wheel or disc on the high-speed shaft of the machine and install corresponding brake shoes, bands, or discs on the machine base to generate braking torque under external force.
There are several reasons why a sedan's brakes may produce abnormal noises, with the most common being excessive wear of the brake pads or the presence of sand and dust on them, which causes squeaking sounds during friction. If the brake discs are rusted or scratched, uneven surfaces can also lead to noise when braking. Rain or humid weather can cause metal parts to rust, resulting in noise when braking initially, though it may disappear after driving for a while. Another factor could be that the brake pad material is too hard or improperly installed, leading to poor contact. I recommend car owners regularly inspect their brake systems, such as checking the remaining thickness of the brake pads—generally, if it’s below 3 millimeters, it’s time to replace them. If abnormal noises occur frequently, don’t ignore them, as they may indicate a hidden risk of reduced braking performance. In case of emergency brake failure, it could be dangerous, so promptly visiting a professional repair shop for inspection is safer. Avoiding sudden braking or prolonged use of worn components in daily driving can also help reduce such issues.
