Couldnt be, i have it hardwired to a switch in the cab. Rarely need to turn it on.

 

Popped the covers off today, Diif fluid was still new looking, No abnormal play or scoring anywhere. Almost looked brand new in there both on the carrier, and in the CAD.

 

Sure it's in the engine bay? What about the blower motor?

 

Blower motor spins freely, and is clear of all obstructions. It will do it with the HVAC on or off. Sounds like right side of engine bay I'm just kind of at a loss. Tomorrow i'll show my parts store buddy the video and see if he has ever heard anything like that. He is an ancient man and been in the automotive field since the beginning of time it seems.

 

When I've exhausted all ideas, I just try to forget about it. If it goes away, then it was nothing. If it gets worse and something breaks, well, then you know.

 

I suppose it's time to just turn up the radio.. oh well. Im almost wondering if it could be my radiator cap