While it will work in average daily drivers, it is designed for the abuse that comes with road racing, so it can handle extreme heat loads. Motul RBF 600 synthetic racing brake fluid is labeled DOT 4, but it will also work in vehicles that call for DOT 3. DOT 4 standards mandate a dry boiling point of 446 degrees and a wet boiling point of 311 degrees, so as is the case with the DOT 3, the Prestone product offers a significant improvement when new, but it loses quite a bit of its heat-handling abilities as it ages. The DOT 4 version of this Prestone fluid has a dry boiling point of 510 degrees and a wet boiling point of 311 degrees. The DOT 3 requirements are 401-degrees dry and 284-degrees wet, so this Prestone fluid offers a reasonable performance improvement over standard fluids when new, but as it ages, it performs at the required level. The Prestone Synthetic DOT 3 brake fluid has a dry boiling point (new, fresh fluid) of 460-degrees Fahrenheit and a wet boiling point (used, with some water content) of 284 degrees. While you will need to buy the grade that applies to your vehicle, the availability of DOT 3 and DOT 4 versions of this Prestone brake fluid makes this an great option for many drivers. Prestone Synthetic brake fluid is offered for vehicles that need DOT 3 or DOT 4 brake fluid and it is one of the most cost-effective quality brake fluids available. There is also some improvement over standard DOT 5.1 fluids, but the advantage isn’t as dramatic.įinally, the Bosch ESI6 brake fluid has a recommended change interval of three years, while most standard brake fluids have a recommended change interval of two years. Of course, the Bosch fluid offers dramatic increases over DOT 3 and DOT 4 fluids, so this Bosch fluid performs better when new and used than those standard lower-performance fluids. The Bosch ESI6 brake fluid has a dry boiling point of 518-degrees Fahrenheit and wet boiling point of 365 degrees, so it exceeds DOT 5.1 standards by 18-degrees dry and nine-degrees wet. It's also priced competitively for non-high performance brake fluid. It lasts 50 percent longer than traditional DOT 4 fluids and 10 percent longer than standard DOT 5.1 fluids. Compared to traditional DOT 3 fluid, this Bosch fluid lasts 100 percent longer. The “ESI” in the name stands for extended service interval, and that is the next key advantage of this fluid. That ability to use this fluid in so many different vehicles with different DOT grade requirements makes it a great choice for most drivers.
In most cases, brake fluids only apply to one of the DOT grades, but this fluid from Bosch applies to the vast majority of modern vehicles. If your vehicle uses DOT 3, DOT 4, or DOT 5.1 brake fluid, the Bosch ESI6 brake fluid will work for you. If you have never purchased brake fluid, we’ve picked the best options and explained the pros and cons for you below.įor more information on the best brake fluids, refer to our table of contents. What factors should you consider when buying brake fluid? Do you need the pricier fluid or will the less expensive fluid work for your vehicle? If you want to replace your brake fluid on a budget, you can buy brake fluid for just about any vehicle online, but there are many to consider. One way to buy new brake fluid for your vehicle is to go to the dealership and purchase it from the manufacturer, but that isn’t always the most cost effective or convenient method. This process is accelerated if you are particularly demanding of your brakes, but even if you always drive your vehicle gently, the brake fluid does need to be replaced occasionally. However, it gets dirty from normal use and does break down over time, reducing the performance of your braking system. This is especially true with high performance vehicles or hard-working vehicles that put tremendous amounts of stress on their braking systems.īrake fluid is used in your car as part of a hydraulic system, not primarily as a lubricant, so it does not get dirty as quickly as motor oil or transmission fluid. Even though it is not changed on a regular monthly or mileage interval, it does need to be changed every two years. It’s generally not changed in short, frequent intervals like motor oil, although automakers do recommend changing it from time to time.
#DOT 3 BRAKE FLUID AUTOZONE DRIVERS#
Even drivers who take good care of their vehicles often forget about the brake fluid.
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