Monthly Archives: March 2018

Why change brake fluid?

Why change brake fluid?

One thing that is commonly overlooked during a service is brake fluid.  Just because the reservoir is full does not mean the brake fluid is ok.  All auto manufactures specify to change your brake fluid every 2 years, which may seem excessive for such an unknown fluid, however this little ignored and sometimes hidden reservoir under your hood contains one of the most important fluids, as your life depends on it. Why do I have to replace my brake fluid? The short answer is: Brake fluid is Hygroscopic.   But what does that even mean? (hy·gro·scop·ic: adjective - a substance tending to absorb moisture from the air.) This is a problem since brake fluid is a hydraulic fluid that makes your car stop.  As the brake fluid absorbs moisture from the ambient air it will slowly raise the water content of your brake fluid.  Generally we see 1% per year of water absorb into brake fluid. This can be higher depending on many differen ... read more

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Brakes
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