1 Nickel

Dell Inspiron 7567 Right Fan Rattling/Buzzing Noise

I have this annoying problem that whenever my Fan is at full speed (Playing high-end games) there is this rattling noise coming from the fan like its hitting something from its tip and also the keyboard on the right side vibrates. Tilting the laptop from different angles the noise disappears but if the laptop is on the table the noise comes back or sometimes u have to put small pressure on the right side of the keyboard then the noise comes back again.. 

Here's a vid of my problem: https://www.youtube.com/watch?v=RUqO0s3iKYQ

Any solutions? should i get the fan replaced? I was going to take it apart but i did not,  it wasn't easy as the other laptops cuz u have to take it all apart..