Originally Posted by asmith10
I just started the car up today (2010 LLT) and I heard this troubling noise. It seems to me to either be one of the pulleys or the belt, but I'm not completely sure yet. Do any of y'all have any ideas? I have attached a video of the sound being made. Thanks!
Taking a guess here - check your A/C belt. It might be off by a rib or two.