Metallic vibrating sound from right front car with heater on

skshrews

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Jan 6, 2017
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Harvard
Car(s)
Acura 2005 TSX, Honda Civic Hatchback LX 6MT 2017
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Metallic, vibrating, cyclical sound from right front when heater is on and car moving.
With heater off and car moving, no sound, so not wheel.
With car not moving and heater on, no sound, so not blower fan/motor.Does not matter how fast fan is moving.
Sounds like something rotating is rubbing against something metallic. Not loud and waxes and wanes, goes away completely minutes at a time.
2017 Honda Civic Hatchback

Any ideas?
Thanks
 








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