Radarpost.cl - Certainly, brake fluid plays a crucial role in the proper functioning of the braking system, especially in vehicles equipped with disc brakes. Here are some key functions of brake fluid in the disc brake system:
Benefits of brake fluid for disc brakes1. **Transfer of Force:**
- Brake fluid is a non-compressible substance that transfers force from the brake pedal to the brake components. When you press the brake pedal, the brake fluid transmits this force to the brake calipers, initiating the braking process.
2. **Heat Dissipation:**
- Disc brakes generate a significant amount of heat during the braking process. Brake fluid has a high boiling point, allowing it to absorb and dissipate heat generated by the friction between the brake pads and the brake rotor. This helps prevent brake fade and maintain consistent braking performance.
3. **Corrosion Prevention:**
- Brake fluid acts as a hydraulic medium, but it also contains additives to prevent corrosion within the braking system. This is crucial for maintaining the integrity of brake components, including the master cylinder, brake lines, and calipers.
4. **Seal Lubrication:**
- Brake fluid provides lubrication to various seals within the braking system. This ensures that components like the caliper pistons and master cylinder seals operate smoothly and efficiently. Proper lubrication helps prevent leaks and ensures a reliable braking system.
5. **Compatibility with Materials:**
- Brake fluid is formulated to be compatible with the materials used in the braking system, such as rubber seals and hoses. It prevents these materials from deteriorating over time, ensuring the longevity of the braking components.
6. **Maintaining Hydraulic Pressure:**
- Brake fluid plays a critical role in maintaining consistent hydraulic pressure throughout the braking system. This pressure is necessary for the proper functioning of the calipers and brake pads.
7. **Preventing Vapor Lock:**
- Vapor lock occurs when brake fluid vaporizes due to excessive heat. This can result in a loss of brake pressure and a spongy brake pedal. High-quality brake fluid with a high boiling point helps prevent vapor lock, ensuring reliable braking performance.
8. **Water Absorption:**
- Brake fluid has a hygroscopic nature, meaning it absorbs moisture from the air. This helps prevent water from accumulating in the brake system, as water can lead to corrosion and a decrease in the boiling point of the brake fluid.
In summary, brake fluid is a vital component of the disc brake system, ensuring efficient transfer of force, heat dissipation, corrosion prevention, proper lubrication, compatibility with materials, maintenance of hydraulic pressure, prevention of vapor lock, and absorption of moisture. Regular inspection and maintenance of brake fluid are essential for the overall safety and performance of a vehicle's braking system.
Reference : Function of brake fluid for disc brakes
: Causes of disc brake fluid exhaustion and methods to overcome them