Take it to an auto mechanic to replace your brake fluid if the strip's color falls in the “required service” category. My brake fluid read at 30, which means it didn’t need immediate service.

Use brake fluid test strips or a pen tester to measure brake fluid quality, condition and color. Old or contaminated brake ...

It’s time to replace that old brake fluid and bleed all of the air out of the system. There are a few different ways air can enter your braking system, and all of them involve brake fluid.