It either has a brake fluid leak / check brake lines for leaks.it is very common for the brake line that runs between the fuel tank and frame going to the rear wheel cylinders to. The color of brake fluid is clear if it’s still new, but, in time, will take a brownish tone. Pin By Waifu Queen On Vehicle Info Car Buying Tips Used Cars Car Buying Here are the signs typically associated with a brake fluid leak: What color is brake fluid when it leaks . If you see a silky fluid leaking from the vehicle, then it is most likely the brake fluid. Before discussing the causes, what are brake fluid leak symptoms that you should watch out for? What color is brake fluid. If your leak is light yellow. If you find a brake fluid leak, contact a. As mentioned above, brake fluid loses its clear color as it absorbs contaminated stuff over time and reaches a point where it cannot function anymore. Brake fluid leakage when you notice the brown color fluid underneath the car is brake f...