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whine sound when ac...
 
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whine sound when accelerating and using AC

  

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Hi Scotty. I have a 2016 Mazda CX nine GT with about 91,000 miles on it. Whenever I use the air conditioner in hot weather, the car makes a whining sound whenever I accelerate. The whine goes away once I reach speed. I brought it to the dealer, but they have not been able to accurately diagnose the problem. What do you think it is? Thanks.


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usually it's a failing compressor or clutch, but make sure the belt isn't worn out first.


Thanks. I failed to mention they replaced the compressor twice (supposedly).


do you get the sound when you rev it in Park?


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