2002 f350 my power steering return hose keeps just blowing off everything works great then it just lets go on the fourth hose and it just did it today again does it in the cold more so than in the warm but today the truck was running for 2 hours when it happened so the fluid should have been warm the motor is a 5.4 gas covered in power steering fluid again

 

I had the same problem with hoses I got from Autozone and OReilly's. I finally went to NAPA and got one from them and have not had any issues since then. The others were cheaper and had a lifetime warrenty, but cost me more in the long run.