What is this God awful howling sound??

Is this the dreaded rear diff howl? Or could it be carrier bearing, or lower A-arms whistling. Seems to happen most around 25-30mph, but has done it at lower speeds and higher speeds...always around the 2k rpm mark. Sound happens during first 5 seconds of this short video.

 

https://m.youtube.com/watch?v=Zs3cyuXSFII

 

If it happens only when your AC is on, there’s a vent in the system that sounds like that. That’s not an issue, it’s a design thing. Take notice if you hear it with the AC off (keep in mind the defrost setting automatically turns AC on).

 

I’ll check it out. You can hear it louder with the windows down also. Thanks!

 

Definitely not a carrier bearing.

 

I hear the same noise on my 22. Living in FL my a/c is always on, I’ll check tomorrow with the a/c off, hopefully I don’t hear it.

 

He prob meant to write needle bearing

 

This is brilliant- no more noise - thanks !