Noises problem
2000 Chevy Blazer 6 cyl Four Wheel Drive Automatic 112267 miles

cant figure it out the whining noise gets louder as you accelerate.thought maybe it was in my power steering. fluid level is fine. power steering seems to be fine as well. vehicle only makes that whining noise while vehicle is in drive. even at a idle. any advice you can give me besides shoot it would be appreciated.

I suspect it is trans related possibly the pump.