Brake fluid refers to a lubricant used in a car's braking system.
Types of Brake Fluids
There are two commonly used: Dot and dot 4. They are usually glycol-based, which means they absorb water from the air. It is not a useful feature when choosing a brake fluid. The containers housing the brake fluid must, therefore, stay sealed at all times. On the other hand, Dot 5 is silicon-based. The fact that it does not absorb moisture from the air means a stable braking system.
How a Car's Brake System Works
When pressure is applied to the brake…