Why does a car's brakes suddenly become soft?

1 Answers
AmeliaAnn
07/29/25 3:23pm
The reasons why a car's brakes suddenly become soft are: Air in the brake lines: Brake fluid is the medium that transmits force in the braking system. If air enters the brake lines, the brake fluid under high pressure will appear insufficient in strength; Brake fluid not replaced for a long time: If brake fluid is not replaced in time, it will contain excessive impurities and moisture; Oil leakage or overly soft brake material: Generally, oil leakage from the master cylinder or brake lines will cause the car's brakes to become soft. Brakes are mechanical braking devices that can slow down the vehicle, also known as decelerators. The car's brake pedal is located below the steering wheel. Pressing the brake pedal causes the brake linkage to be pressurized and transmitted to the brake shoes on the brake drum, clamping the brake disc and causing the car to slow down or stop.
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