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What are the causes of soft car brakes?

1 Answers

AliviaDella

07/30/25 5:25am

The causes of soft car brakes are: 1. Air in the brake lines: Brake fluid is the medium for transmitting force in the braking system. When air enters the lines, the brake fluid under high pressure will appear insufficient in force, and the braking system should be promptly bled at a repair facility; 2. Oil leakage or overly soft brake materials: Leakage in the master cylinder or brake lines can cause the vehicle's brakes to become soft. When the brake materials are too soft, their high-temperature stability deteriorates, leading to softer brakes; 3. Long overdue brake fluid replacement: If brake fluid is not replaced in time, it will contain excessive impurities and moisture, affecting the transmission of braking force. Brake fluid must be replaced regularly, and a moisture content test can be performed at a repair facility.

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