2024 F150 Powerboost. Does anyone have the same issue? Whenever I drive at 50+ mph i get a whistling wind noise and its really irritating. This high pitched whistle goes away when I press the recirc button on the climate control. Only problem is is that it automatically turns off after 5 minutes and the whistle returns. Really irritating.

 

There are cabin vents behind the rear seat that are supposed to equalize the pressure in the cabin. You could check those

 

Good suggestion. I'll check that I dont have them covered somehow.

 

I checked for any obstructions but I don't seem to have any.

 

You can try pulling out the cabin air filter and see if it helps. Obviously not forever, but as a troubleshooting step

 

I had the same problem on my 2022. See post # 29 for the fix.https://www.f150forum.com/f129/2022-...529663/index3/

 

Try different fan speed setting to see if it changes the sound pitch when this happens just to isolate between internal/external noise.

 

Same whistle on my 2024 PB. As mentioned above, all adjustments to the HVAC system does not seem to affect it. I have found the whistle seems to be coming from the drivers side window. A quick touch of the window switch down eliminates it. Now, this is a temporary solution so the main reason is yet to be determined. I will certainly get this addressed on my next visit!