What Causes the Spring Contraction Sound When Braking?
2 Answers
Here are the specific reasons for abnormal sounds when braking in a car: 1. Improper installation of brake pads: When installing new brake pads, the old brake discs were not resurfaced, resulting in a poor fit. A poor fit or installing new brake pads without resurfacing the old discs will cause the new pads to rub directly against the uneven surface of the old discs, ultimately leading to uneven wear on the new brake pads. 2. Brake system malfunction: There may be a defect in the brake system itself, causing the brake pads to only partially contact the brake discs. This increases the pressure per unit area during braking, resulting in abnormal sounds. It is recommended to inspect components such as the caliper and guide pins. 3. Presence of foreign objects: Foreign objects cause a poor contact surface, leading to abnormal sounds.
Hearing a spring retracting sound when stepping on the brake pedal is mostly due to an issue with the spring in the brake pedal mechanism. It could be caused by spring aging, loosening, or rusting, resulting in friction noises when pressed. My car also experienced this issue before, and it was quite annoying. If left unrepaired for a long time, the pedal may not return to position properly, affecting brake response. Additionally, dust accumulation or insufficient lubrication can amplify the spring noise. It's recommended to visit a repair shop as soon as possible to have a mechanic inspect the pedal assembly. They can usually fix it by adding some lubricant or replacing the spring. Don't ignore it and continue driving on highways, as brake safety is not something to be taken lightly.
