Originally Posted by Dodge2Dub
Non-technical response: sounds like a hand-over function is taking place between the initial noise and the pressure building swish noise.
I'm at 41K, but have been listening for the wrong noise. I'll take a listen tomorrow.
I do agree that it sort of sounds like a hand off function... like the pressure building causes the noise and then it's fine once oil is on everything.
Let it sit for as long as you can and report back what you find. Thanks!