When it comes to different DOT ratings, we recognize two separate boiling points: In order to prevent confusion in the following section, we would like to establish a couple of terms beforehand. That is why engineers and scientists decided to create a standard for the brake fluids, which every brake car brake system obeys and works under.
As we mentioned above, it is crucial for hydraulic liquids and fluids to maintain their liquid state, so evaporating is a big no. The DOT rating refers to the regulated number of degrees a brake fluid can withstand before starting to boil. So, what is DOT, and why does it matter to my car? And, more importantly, the DOT (Department of Transport) tier list and rankings need to be respected, as they are regulated by law for a reason. In terms of variety, there aren’t many brake fluid types. You don’t always want the car to stop completely, and with a fresh batch of adequate brake fluid, you get to control how much pressure the brake pads exert on the moving parts. Lastly, brake fluids enable you better control of the braking system by transferring that mechanical force quicker and with better accuracy. So, in the long run, you would want to invest a small sum of money now to save more substantial brake system expenses. By this, we mean every other part of the brake system will deteriorate less if the brake fluid works appropriately. The brakes must always be available to the driver, and that is a fact no matter where you live.Īnother important reason for having fresh and working brake fluid inside the brake system is material longevity. Luckily, engineers around the world found a solution to the overheating/evaporating problem by evolving the brake fluid with modern compounds. Why? Well, imagine driving for 5 minutes without brakes. As you probably concluded from the previous section (even in the simple version of the brake system), there is a lot going on once you press that brake pedal.įirst and foremost, the brake fluid must always be active and mechanically effective. Meets SAE J1703.There are several practical reasons why every car should have a source of fresh brake fluid, including, of course, maintenance. Complies with Federal Motor Vehicle Safety Standard 116. Minimum wet boiling point: 284 degrees Fahrenheit (140 degrees Celsius). Minimum dry boiling point: 460 degrees Fahrenheit (238 degrees Celsius).
Excellent for ABS, disc and drum brake systems. Prestone brand Synthetic Brake Fluid is designed for safe operation of today’s modern brake systems. A comprehensive inhibitor package protects vital brake system metals. Both wet and dry boiling points exceed the minimum government standards. This delivers braking power when needed by avoiding a spongy pedal. The mix of polyglycol ethers ensures hot brake-system operation will not create dangerous vapor. Prestone Synthetic Hi-Temp Brake Fluid is designed to provide an extra margin of boiling point protection.
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