Brakes are an essential safety feature, providing the control and stopping power needed to ensure safe driving. Brake fluids play a crucial role in maintaining the performance and reliability of the braking system. In this guide, we’ll explore the different types of brake fluids, highlight their unique characteristics, and help you choose the best one for your vehicle.
Types of disc brake fluids
The following are the types of disc brake fluid:
DOT 3 brake fluid
DOT 3 is a glycol-based brake fluid used in standard vehicles. Its moderate boiling point makes it suitable for regular driving conditions. DOT 3 brake fluid is readily available and comparatively affordable, making it a popular choice.
DOT 4 brake fluid
The DOT 4 brake fluid is also glycol-based but with a higher boiling point compared with DOT 3. This makes it more suitable for vehicles that experience heavy braking, such as sports cars. It is slightly more expensive than DOT 4 and requires periodic replacement.
DOT 5 brake fluid
DOT 5 is a silicone-based brake fluid that does not absorb moisture. This makes it ideal for vintage cars, which are usually stored for a longer period. The liquid is non-corrosive but incompatible with ABS systems and other glycol-based fluids.
DOT 5.1 brake fluid
DOT 5.1 is a glycol-based fluid with a high boiling point, similar to DOT 5. It is compatible with ABS systems, has superior thermal stability, and sustains braking performance under extreme conditions. It requires frequent monitoring and replacement due to its hygroscopic nature.
Mineral oil brake fluid
Mineral oil-based brake fluid is used in certain bicycles and specialised vehicles. It is non-corrosive, does not absorb moisture, and offers long-lasting performance. Mineral oil fluids are typically reserved for niche applications and do not apply to standard automobiles.
Conclusion
Choosing the correct brake fluid is essential to maintaining and enhancing your vehicle's performance. Regular maintenance and timely brake fluid replacement can prolong the life of your braking system.
In addition to opting for the safest brake fluid option, it is wise to secure a comprehensive car or bike insurance policy. The right plan can provide security in case of unexpected incidents and cover damages and repair costs.
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