Quote:
Originally Posted by OldFoggey
Federal standards require that DOT5 brake fluid be purple in color. My car is build #889 built in 2010. Did my car get the wrong fluid put in it or is the DOT5 requirement not correct?
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You can't rely on the color -- depending on how long the fluid has been in there it can change. Obviously I don't know what you have in there, but DOT-5 is
oil based and it won't mix with DOT-3/4 or water. DOT-3/4 will mix with water, but not
oil. So....
I would syphon some of the fluid out and then mix it with a DOT-3 sample in a nice clean mayonnaise jar. If they don't mix, then it's looking like DOT-5. Then try and mix it with water. If they don't mix, then it's
really looking like DOT-5. Then mix the fluid with some
oil. If it mixes, then you're almost
assured it's DOT-5.
Anyway, that's how I would do it....
