2018 Nissan Rogue - Noisy fan

2018 electric fan making noise

if the fan is making noise and no foreign object is hitting the fan blades, then it probably needs to be changed. the bearings are probably bad.

Agree with weekend-warrior. Pull your cabin air filter, you might be able to see if anything has fallen in, but unlikely.

Is it the engine cooling fan or the HVAC fan in the dashboard?