Whirring Noises

[cheeks80]

Today i was sitting inside the car for an hour with everything switched off, my doors locked from inside and with the window little open. I was basically waiting inside the car for my sons classes to finish.
I heard multiple low whirring and purring noises from inside of car dash at various intervals. I am sure it was not from outside as i could hear it distinctly very well even though very low pitched. Any idea what is going on ?

 

[RetSab]

I hear the electronic parking brake make a whirring sound when switched on and off, could this have been the sound you heard?

 

[cheeks80]

Yes electronic parking break is a very distinct loud noise when I turn off the car and that is only once. These are very low intermittent whirring noises.

 

[RetSab]

Yesterday, I noticed our '18 Subaru making a very quiet whirring noise. I comes from the rear wheel area, near where the gas tank is located. I seem to remember that there is an evaporator fan/system associated with the canister system which handles gas fumes. I need to research more, hope this helps.

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[JCzoom]

Maybe you heard yourself snoring?...