whistle in air conditioner

2012 FORD FUSION
118,000 MILES • 4 CYL • 4WD • AUTOMATIC
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BABRA
  • MEMBER
  • 1 POST
I have an intermittent whistle coming from the air vents. the air conditioner is working fine. the whistle comes and goes.
Apr 22, 2018 at 9:27 AM
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ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
Good afternoon.

The most common issue is the bearings in the blower motor. When the noise happens can you change the pitch by adjusting the speed of the blower motor?.

Roy
Apr 22, 2018 at 11:24 AM