[M37]

I didn't know the location, that is why I wrote "You should look into where the pressure relief valve is ". I wouldn't have assumed it was in the pump because that limits all circuits to the same pressure and since it works both the steering and brakes, it could have had separate reliefs for each circuit.
The issue I wanted to get across was a sheered pump shaft could be debris or overpressure, lack of lube etc. But overpressure could damage other components where his and his family lives could depend on a proper inspection.