Mine went outl, like you dectribe. It would give power when the engine revs were up, but at idle, no power steering. The dealer put a new one in under warranty. Mine went out in the middle of the Dragons Tail. I figure I overheated the fluid and blew the seals on the pump.
"It always takes longer than you expect, even when you take into account Hofstadter's Law."
Kariertes Hemd und Samenstau, ich studier' Maschienenbau.