Hayward 2HP Pool Pump Motor A O Smith Electric Pool Motor for 56J Frame "whining noise water turned" Questions

...whining. Is there anything i can do to stop the noise or at least tone it down? WD-40?? Something?? nope sorry these are sealed bearings and wd will make things worse ! there is nothing you can or ...

My 2hp hayward super pump is just out of warranty and has begun leaking. It also has a high pitched whine which comes and goes. Does that mean waters gotten into the bearing and if so can I replace it