Humming sound from rear of vehicle

Hello,

Nine times out of ten you will need to replace an axle bearing. here is a guide to help you step by step:

https://www.2carpros.com/articles/rear-axle-seal-replacement

If I am off base here, can you please shoot a quick video with your phone so we can hear the noise? that would be great. You can upload it here with your response. Please run down this guide and report back.