From what I read, yes. Like doing the same with engine oil. Just want to use correct fluid for gm systems.
But,
Have you checked your power steering pump?
Is it's pressure relief valve sticking?
Is the magnasteer system working and properly adjusting the pressure?
It is below freezing in my area and have not had that issue. 2 years in New pump, lines and rack.
It sounds like your pump is running at max pressure and when cold, pump not adjusting pressure and just blows out the pressure line.
Or possible, the replacement hose cannot take the pressure when cold or just fails about a year later.
But suspect issues when the relief value sticking.