Why Do Brakes Squeak?

1 Answers
GenesisRose
07/29/25 6:25pm
The reason for brake squeaking is worn brake pads that need timely replacement. Brake pads are consumable items that gradually wear thinner during vehicle use. When the friction layer is nearly depleted, an alert mechanism called the brake pad wear indicator (a small metal tab) located at the edge of the pad will contact the brake disc, producing a sharp metallic scraping sound as a warning to remind the driver to replace the brake pads. Brake fluid is recommended to be replaced every 2 years. Brake fluid has certain corrosive properties and strong moisture absorption. Most service stations now have specialized tools to test brake fluid moisture content, allowing for an inspection to determine if replacement is needed. Brake fluid must be replaced regularly at scheduled maintenance intervals, and it's advisable to follow the manufacturer's recommended maintenance cycle.
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