power steering sings to me

[ducatipaso]

2000-2500 rpm, wheel to right at about 2'oclock
sometimes

ooooooooooooo....
ooooooooooooooooooooooo...

almost a 440 A pitch

failing pump? the damn rack was replaced about 5 years ago and I splurged for OEM. suck. this is bad timing as my ign cyl died on the 190e.