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Why does the automatic transmission make noise when slowly releasing the brake?

1 Answers

MacAthena

07/29/25 3:44pm

Automatic transmission making noise when slowly releasing the brake may be due to the friction between the brake pads and the brake disc, which is normal. The car's braking system consists of a vacuum booster pump, master brake cylinder, brake caliper, brake pads, and brake disc. After opening the engine hood, you can see a metal disc below the windshield on the driver's side, which is the vacuum booster pump. The brake caliper is what we commonly refer to as the brake caliper. In front of the vacuum booster pump is the master brake cylinder, which has an oil reservoir on top for holding brake fluid. Brake fluid is a liquid that easily absorbs water. If the brake fluid has too much water content, it can lead to reduced braking force.

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