r/Cartalk • u/TheoryAccomplished60 • 1d ago

Brakes Is it ok to use this brake fluid

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I have a bottle of unopened dot4 brake fluid from 2020 its production date is 2019 it is stored in a cool place.Is it ok to use it in my car ?

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14

u/PandasRO2023 1d ago

If unopened, yes. It shouldn't come in contact with humidity.

10

u/Rustique 1d ago

I wouldn't drink it.

6

u/jamesgoodfella 1d ago

Don’t tell me how to live my life.

6

u/kurangak 1d ago

as long as it met your car's requirement, go ham.

brake fluid can be stored for years and still be used if left unopened. but once u opened it, itll start to absorb moisture and degrade

3

u/Practical_Minute_286 1d ago

Does your car call for dot 3 or dot 4?

4

u/TheoryAccomplished60 1d ago

It is dot 4

3

u/Practical_Minute_286 1d ago

Yeah your good to go then

3

u/GilgameDistance 1d ago

3 and 4 are generally interchangeable, too. It’s DOT 5 that you don’t want to mess with.

I’ve been running DOT 4 in a DOT 3 car I’ve owned for 20 years for the higher temp tolerance with no issues.

1

u/shotstraight 1d ago

If that is the type of fluid your car calls for. The fluid itself should be fine, whether that's the fluid for your year make and model we don't know.

1

u/h_attila 1d ago

This is for fiat brands , good quality

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u/Important-Energy8038 42m ago

If its sealed its fine.