Posted on 2/27/2026
Brake fluid is one of the most critical—yet most overlooked—fluids in your vehicle. While engine oil and coolant often get more attention, brake fluid plays a vital role in keeping you safe on the road. Choosing the wrong type or neglecting brake fluid service can lead to reduced braking performance, internal corrosion, and even brake failure. Understanding the different types of brake fluid and knowing which one is correct for your car can help you protect your braking system and avoid costly repairs. What Does Brake Fluid Do Brake fluid is a hydraulic fluid that transfers force from your brake pedal to the brake components at each wheel. When you press the pedal, the fluid moves through brake lines under pressure, allowing your brake pads or shoes to clamp down and slow the vehicle. Because brake fluid operates under extreme conditions—high pressure and high heat—it must maintain a stable boiling point and resist moisture contamination. Over time, brake fl ... read more