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My Expedition started making a loud sound when the AC is on.

alsudduthalsudduth Posts: 1
edited April 2015 in Ford
I turned on my 08 Ford Expedition AC and as I started driving my car started making a very loud screeching whirring sound in line with the acceleration of the vehicle.

At first I thought it was the car itself, but then when I turned the AC off it stopped.....any ideas?

Also the air coming out of the AC is no longer cold. But it still blows air


  • The AC compressor is driven by the serpentine belt, so it is either loose / shot or the compressor is shot.
  • hugo1979hugo1979 Posts: 1
    Did you find issue mine has same issue
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