Posted on 4/25/2025
Most drivers know when it’s time for an oil change or new tires—but brake fluid? That often flies under the radar. Unlike parts you can see or hear when they go bad, brake fluid quietly degrades over time, and when it does, your car's braking performance can take a serious hit. So the question is: does brake fluid really go bad just sitting in the reservoir? The answer is yes—and failing to replace it at the right time can leave your vehicle with spongy brakes, corrosion inside the system, or even total brake failure under pressure. Let’s explore why that happens and what you can do about it. Why Brake Fluid Doesn’t Last Forever Brake fluid is designed to withstand high temperatures and deliver consistent pressure to your brake calipers. It’s what allows your foot on the pedal to actually stop the car. But over time, even sealed systems let in small amounts of moisture from the air. Brake fluid is hygroscopic, which means it a ... read more