![]() ![]() When your caliper or other braking components come into contact with your brake fluid continually, they heat up the fluids causing it to change color too. As contaminants gather up in the fluid over time, it gets darkened, reducing its effectiveness which directly affects critical components responsible for braking performance. Just like anything else, normal aging is a natural cause of discoloration in brake fluid. Too much water content may also bring down the boiling point of the brake fluid leading to hazards such as brake fade or boiling of the fluid. Since brake fluid is hygroscopic, it can absorb water from the air leading to cloudier fluid that has changed color. MoistureĪnother thing that can cause brake fluid to change color is moisture absorption. This decrease in effectiveness can cause damage to key components that rely on the lubrication and protection provided by the brake fluid. Dirt and debris can accumulate in your vehicle’s braking system over time, causing your once clear and amber-colored brake fluid to turn murky and darker. One of the main culprits behind discolored brake fluid is contamination. Its changing color over time can affect your brakes, here are the reasons and implications. ![]() What Causes Brake Fluid To Change Color Over Timeīrake fluid is crucial for your vehicle’s braking system, ensuring your safety while driving. Therefore, it’s crucial to verify which type of brake fluid your car requires to ensure it functions correctly. Note that DOT 5 is silicone-based and not compatible with the other types of brake fluid. DOT 5 fluid often comes in a purple or pink color. DOT 4 is predominantly clear but could have a tinge of yellow or deep red color. DOT 3 (Department of Transportation) fluid usually appears as a faint yellow, blue, red, or green shade. Different Types Of Brake Fluidĭifferent types of brake fluids come in different colors, so it’s essential to know which one your car requires. Old fluid can cause buildup in the system, leading to performance issues, and even failures in the worst-case scenario. Dark brown or almost black brake fluid is an adverse sign that your braking system needs immediate attention to function correctly. Used Brake FluidĪs brake fluid ages, it can become darker, indicating a need for replacement. New brake fluid should be golden or light amber, and any deviation from this color could be a sign of impurities or contaminants. It’s essential to check this when inspecting or filling up brake fluid levels. ![]() It may also have a slight yellow coloring. When it comes to fresh brake fluid, it usually appears almost clear with a yellowish tint. ![]()
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