How often brake fluid change?
Brake fluid is a fluid that use in cars braking system. Brake fluid plays an important role in the brake system, just like the brake pad or disc rotor. Its existence is urgently needed. As we know, most cars braking system used hydraulic system which is need a fluid to transfer the energy from the brake pedal to the pistons inside the brake caliper.
Yes, the brake fluid will transmit the energy from the brake pedal to the brake piston so the brake pad pushes the disc rotor and the car will slowly down its speed. When the brake pad pushed the disc rotor, it wil raise the heat and effecting the brake fluid.
The brake fluid it self is hygroscopic, which is meaning its absorb moisture. Over an extended periode of time, its possible for moisture to enter the brake system through rubber hoses and seals. As moistures is absorp in to the brake fluid, the temperature which the brake fluid boil decreases.
Brakes can become very hot when stopping, especially when travelling down hill terrain. When the heat in the brakes surpasses the boiling point of the brake fluid, the brake fluid will begin to boil.
Boiling produce gas and air bubble in the brake fluid. Gas is easily compressed so the brake pedal will fail soft and the amount of pedal travel will further than normal. This can greatly reduce the efficiency of the braking system.
Yes, gradually, the quality and performance of the brake fluid will change as a result of continuous use in over a long period of time. For example, your brake fluid may change its color, an air inside the brake lines, and mud appears in the brake fluid.
This changing will effecting your brake ability and make you out of control to stop the car. So, this is why you need to check and change the brake fluid regulary.
How often you should change the brake fluid?
In most cases, every two years or 24.000 miles up to every 3 years or 36.000 miles, you need to change the brake fluid with the fresh new one. But the best option on when to change the brake fluid is to follow the owners manual book for your car, since every car brand has different treatments.
In your car owners manual book, you will find the type of brake fluid that you have to use (DOT3 or DOT4,etc), the brake fluid changing time and mileage, and how much brake fluid you will need for.
Other than that, you may see the brake fluid visually. Just poop up the hood and open the brake fluid reservoir tank. If the color was changed, the amount of brake fluid was reduced, there is mud appears in the brake fluid, or your braking distance longer than its normal. Its time for you to replace the brake fluid soon and servicing your car brake system entirely.
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Two years is a long time for brake fluid to run. It is very possible that there will be a basic change in the brake fluid as I have described above. Therefore, changing the brake fluid when its use has reached two years is the right action that needs to be done.