When idling or in drive the air conditioner is on and it makes a noise,when I'm driving it doesn't make a noise

What is your question?

A loud noise coming from the air conditioner,it doesn't make that noise when air conditioner is off,it happens when air conditioner is on

What makes this problem better or worse?

idling

How long has your 2004 Nissan Sentra had this problem?

a month or so