Oil leak

Hello friends, when I was getting into my vehicle today, I saw that there was an oil leak from under the vehicle. When I checked, I realized that it was leaking through the vacuum pump. Why did he do this?

https://resimyukle.io/r/JeRHOQsc26

Normal reis vacuum pump does not change the gasket, only

We changed the gasket, my question was fixed, thanks

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