Brake Fluid Shelf Life - For Sealed Containers

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What is general consensus on brake fluid shelf life when the contents are still sealed? I found a copy/paste response from ATE stating that it is 5 years for sealed containers and 1-yr for unsealed containers. What are other manufacturers recommending?
 
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is that a metal or plastic container? If its for top up, that should be fine. If you are bleeding fresh fluid in, I'd want fresher.
 

JHZR2

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I'd say application counts too. Most cars in the usa never get fresh fluid over their lifecycle, other than a tiny bit over a pad change or other maintenance. Rarely is deliberate change performed for most cars, even if specified. So practically speaking I'd think that five years in a sealed container is nothing, if ten plus years out in the open is reality.
 
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Originally Posted By: Rand
is that a metal or plastic container?
I've ONLY seen Ate fluids sold in METAL containers. Some of the high end/racing fluids now sold in plastic containers have the space between the fluid and the cap filled with nitrogen gas to help stave off moisture absorption.
 
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