did they say what was wrong with your fan ?
fans can go bad yes , they can crack warp or fan clutches can go bad electric motors cam go bad and bushing can wear out and cause wobble and not cooling as well . or stop all together
let me know if you have any questions, Thank you , ROY!
I would also have the radiator inspected for restriction in core for cooling , let me know if I can help you more Thank you ROY!
Let me know if you have any other questions, I will be glad to help you more Thanks ROY!