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Does brake fluid evaporate

Updated: 10/23/2022
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12y ago

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NO. Brake fluid is hydroscopic, meaning it adsorbs water. It is also petroleum based. If yours is low you either have a leak somewhere, it is time for a brake job because friction material is worn down letting pistons or wheel cylinders travel farther out of their bores, or it was never the right level to start with.

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12y ago
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Q: Does brake fluid evaporate
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