high pitch sound coming from ac/heat speed 2

Int3grity

Member
:
07 Cx-7 Liquid Platinum
Not sure where to put this post so I am trying here.

Has anyone experienced the following scenario windows up, radio off, set ac/heat to number 2 fan speed and listen closely there happens to be a semi loud high pitch sound almost like the sound you hear when your ears are ringing.

I noticed this today if I turn it off the sound goes always instantly.
 
High pitched whine

Int3grity said:
Not sure where to put this post so I am trying here.

Has anyone experienced the following scenario windows up, radio off, set ac/heat to number 2 fan speed and listen closely there happens to be a semi loud high pitch sound almost like the sound you hear when your ears are ringing.

I noticed this today if I turn it off the sound goes always instantly.

I too have the same whine. It's not real loud , but it's there. Only on Pos. 2. If you turn the dial to defrost it almost goes away.
 
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