What is your question?
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What is your question?
Lately when I turn on the AC, it emits a fairly loud humming noise that varies with the engine speed. Any ideas why?

1 Reply
Noises can be difficult to diagnose even when you have the car in your shop, and you can reproduce the noise consistently. Without hearing the noise in person, it's very difficult. If you can reproduce the noise, try to get a mechanic to go for a test drive and see what they recommend. Here are some in your area: http://repairpal.com/kia-repair-in-mount-juliet-tennessee