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Discussion Starter · #1 ·
Hi
2017 Focus ST, 2600mi.

Just yesterday I noticed this noise happening when the HVAC is on, I've never heard it before. Video:
The noise is quiet in vid, still noticeable, but highly noticeable IRL.
The only thing different I've done yesterday is almost stall the car from a stop because I freaked out from someone almost reversing into me.

Not sure if this is related, but my HVAC blower varies in speed, unless I have it maxed. The blower pretty much does whatever speed it wants to, but it maintains whatever speed I set most of the time. This has been happening since I received the car.

Any help will be appreciated, whether it is theory or not.
Taking the car into the dealer next Saturday for other issues but I will bring this up as well.

Thanks
 

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Had my blower motor replaced shortly after I bought my 2016 ST3. There was packing material still inside the blower that wasn't removed at install. It caused vibration and weird noise.
 

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Discussion Starter · #3 ·
Had my blower motor replaced shortly after I bought my 2016 ST3. There was packing material still inside the blower that wasn't removed at install. It caused vibration and weird noise.
Well that's nice of them.
I'll mention that when I bring it in, thank you for the reply.
 
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