Most of the people don’t know how to change the brake fluid and why it is essential to do. Regular oil change is very important to keep cars work for long period of time. However it is not necessary to change the brake oil every year but it should be changed every two years. Brake oil is a form of hydroscopic and it does not go bad. Basically brake oil has tendency to absorb the moist. Read more....http://www.repairingforum.com/car-repairs/how-to-change-brake-oil.html