2005 Nissan Altima Q&A

2005 Nissan Altima Question: my 2005 nissan altima serpentine belt keep coming off what could be the problem

its fine for a while but all of a sudden the belt comes off put on a new belt last about a month and it starts to do it again -
Answer 1
A pulley is not aligned, the wrong size belt or it is not adjusted properly. -