On the VW Passat b5 + 2022, the power steering high-pressure hose leaked, the pump hummed very strongly, it was necessary to add liquid, after reading the forums, after analyzing the information on the Internet, it became clear that you need to pour mineral water, and Pentisin is better in a green metal can, it is expensive
But until the hose was replaced, it was necessary to add something for a while, not expensive.
I ordered this mineral water on the Febi 06162 market, after topping up the humSee full review