When reversing in the Toyota RAV4, you may hear unusual noises when applying the brakes, often characterized by a vibrating 'woo' sound.
This is typically caused by changes in friction patterns; the brake friction pattern is different when reversing compared to normal driving, making it easier for unusual sounds to occur at low speeds. Generally, the situation improves after a few more brake applications.
There are several reasons for brake noise in the Toyota RAV4, including: hard brake pads, insufficient wear on the brake pads, significant wear on the brake disc or hub, rust on the brake caliper, handbrake cable faults, and slow return of the brake master cylinder.
Furthermore, depending on the part of the car that produces noise when reversing, various possibilities can be analyzed, such as aging of chassis components, noise inside the transmission, or the sound of the brake pad separating from the brake disc in the braking system.
Overall, brake noise when reversing is somewhat normal. This occurs because the brake caliper shifts downwards under gravity, and the connection to the bracket is floating. When reversing and applying brakes, the caliper rises and impacts the upper bracket, causing the noise.
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