Questions about mineral brake fluid.

Lonesome7.3

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I have some mineral brake fluid left over from a truck I had that had wet brakes. What would happen if I used this fluid on my conventional brake systems? Could it be mixed with the DOT or silicone stuff I have? What makes it different from other brake fluids? If I cannot use it with what I have, what else is it good for?
 

daddy

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I don't have an answer here other than that DOT3 or DOT4 is so damn cheap it's not worth the risk.
 

txab

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I'd let it go to waste before I'd use it. It CANNOT be mixed with silicone. Nor would I mix it with other brake fluids

I found this message on several websites:

Note: Conventional brake fluid should not be mixed with mineral oil fluid. Serious damage may result. Consult manufacturer's handbook for details.
 
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