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 ...
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 ...
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.
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 ...
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.
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 ...
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
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.
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 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.