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Can you mix DOT 3 and 4 brake fluid?
You can put DOT 4 in place of Dot 3 but not the other way around. DOT 5 is not interchangeable or compatible with DOT 3, 4, and 5.1 fluids and can cause catastrophic system failure. Dot 3, 4, and 5.1 are glycol ether based. They are compatible, but like motor oils, you should use the recommended or higher grade fluid.
Is it OK to mix brake fluid?
2 Answers. tl dr – Mixing Brand X fluid with Brand Y fluid is of no consequence, as long as you are mixing the same grade of fluid (DOT3, 4, 5, or 5.1). … Silicone based fluid is not compatible with anti-lock braking systems, which is the reason it isn't used very often in consumer vehicles.
Should I use Honda brake fluid?
As far as I know, the fluids that have to be Honda are the automatic transmission and power steering fluids. … As for brake fluid and other ones like that, sure Honda is always good to use, but not necessary and as long as you use a good quality aftermarket that meets the specifications you should be just fine.