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DOT 4 - Wikipedia


DOT 4 is one of several designations of automotive brake fluid, denoting a particular mixture of ... Fluids such as DOT 3, 4, and 5.1 are hygroscopic and will absorb water from the atmosphere. This ...

Can you mix DOT3 and DOT4 brake fluid? | Reference.com


DOT3 and DOT4 brake fluids should not be mixed. The two can react negatively with one another and cause corrosion of a vehicle's brake system. They also ...

what is the difference between DOT3 and DOT4 brake fluids ...


Apr 16, 2011 ... DOT4 brake fluid has a higher boiling point than DOT3, making the fluid less likely to boil. ... You can put DOT 4 in place of Dot 3 but not the other way around. ... Dot 5.1 is sort of OK but not recommended to mix with 3 and 4.

Using DOT4+ in clutch/brakes when DOT3 is recommended ...


Jul 10, 2011 ... Going with a higher quality DOT3 or a DOT4 will give you more ... DOT5, what is the difference between DOT3 and DOT4 brake fluids? ... So my conclusion is use the recommended DOT but if necessary can mix DOT 3 and 4 ...

Brake Fluid Basics - importnut.net


If you are in a giving mood ... Fluid compatibility with the brake system rubber, plastic and metal components. ... Both DOT 3-4 and DOT 5 fluids are compatible with most brake system materials ... Silicone fluid will not mix, but will float on top.

Tech 101- Brake Fluids. What's different about them | Hemmings Daily


Dec 6, 2013 ... DOT 4 absorbs less moisture than the DOT 3 fluid, and many ... To prevent cross contamination you should also change all the rubber components in the brake system. ... both DOT 3 and 4, but should not be mixed with any of the other fluids. ... DOT 5.1 can be used in place of either of the poly-glycol-based ...

What is the Difference between DOT 4 and DOT 5.1 Brake Fluid ...


Here you can see that silicone based DOT 5 is the odd one out and is not compatible with any other DOT brake fluid. By mixing DOT 3, 4 and 5.1 brake fluids, ...

www.ask.com/youtube?q=Can You Mix Dot 3 Brake Fluid with Dot 4?&v=bWN3DFM13GA
Jan 17, 2016 ... Question: Is DOT 3 and DOT 4 about moisture, temperature load, or chemical factors that ... If you know the differences or the factors that dictate extreme ... fluid : "Brake fluids with different DOT ratings can not always be mixed.

DTO 3 or DOT 4 break fluid? [Archive] - MX-5 Miata Forum


Can you use DOT 4 fluid, can they DOT 3 and DOT 4 be mixed? ... with DOT 3 fluid, the internal components of the system (seals, brake hoses, ...

Brake Fluid - StopTech


Brake fluids are classified by both “dry boiling point” and “wet boiling point. ... of containers, but one aspect of the regulation that deserves attention here is the ... This does not mean that DOT 4 fluids are necessarily better than DOT 3 fluids.