HVAC whistling sound

[Dreamer]

Any update because I can hear a high pitch sound from my sr5

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[tacorancher]

Mine did this for the first time tonight with the heater / upper vents (I’m at 7k miles). It also seems like the airflow is restricted. I do not want my dash ripped apart. If it’s intermittent I’ll live with it. How annoying. Anyone have an update on this issue?

 

[The T Rav]

Mine has done this from day one. It’s a little annoying but I couldn’t imagine having my dash removed and introducing even more potential issues and definitely not trying to return the truck under lemon law over such a frivolous nuisance.
I just reminded myself that it’s a midsize truck and not a luxury or exotic car and turned the radio on. Now, I don’t hear it at all . Hope this helps.

 

[tacorancher]

Mine has done this from day one. It’s a little annoying but I couldn’t imagine having my dash removed and introducing even more potential issues and definitely not trying to return the truck under lemon law over such a frivolous nuisance.
I just reminded myself that it’s a midsize truck and not a luxury or exotic car and turned the radio on. Now, I don’t hear it at all . Hope this helps.

I’ve let it go. It doesn’t do it on cooling, only heating. Since I live in Texas I’m only using heating 25% of the year so it’s fine.

 

[The T Rav]

I’ve let it go. It doesn’t do it on cooling, only heating. Since I live in Texas I’m only using heating 25% of the year so it’s fine.

I didn’t even think to check it with A/C. I bought the truck and shortly after it got cold. I’m still tinkering on it occasionally, if I figure out a non-invasive solution, I’ll let you know.

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