Does brake fluid float?
Does brake fluid float? If there is petroleum based fluid in the brake fluid it will separate and float to the top. If two layers form as shown in Figure 69.2 then you have a contaminated system. What causes sludge in brake fluid? Accumulated water in the brake fluid also causes rust and corrosion, which damage the internal parts of the brake system. Brake systems also accumulate sludge and metal particles over time. How does water get into the braking system? Brakes that use DOT brake fluid are more prone to water or moisture ingress. DOT brake fluid is hygroscopic...