Why is Brake Fluid Flush Important?
The primary reason for a periodic brake fluid flush or brake fluid replacement is the chemical nature of the glycol based braking fluids. These chemicals are hygroscopic, that is they have a tendency to absorb moisture. With moisture absorption, boiling point of these fluids goes down and the efficiency of braking also gets compromised. When the boiling point drops, the brakes don’t work properly in high temperature conditions or high braking situations. Fresh brake fluid is clear, while the one which has absorbed moisture is denser and less clear. This deterioration of braking fluid quality can be especially detrimental to anti-lock braking systems. There is no way that one can totally stop the entry of moisture into the braking system, as the whole system is exposed to atmosphere through venting. During each opening of the master cylinder, a little moisture is absorbed. However, the process of absorption is slow and if you schedule a regular brake fluid flush, then this problem of br
