High pitched whistle

6478 Views 6 Replies 5 Participants Last post by Thai, Jul 28, 2012

Outbackohio

Discussion Starter · Jul 28, 2012

I noticed a high pitched whistle (like a high freq tone noise) with the car idling at

a red light or in park. It can be heard inside the car and outside. I even tried

turning off the radio and still does it. Any ideas?

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akinneyww

· #6 · Jul 28, 2012

My air conditioner makes a noise like you describe. On mine (MY2011, base 2.5i), it's probably harmonic ringing in the compressor walls. I only notice it when idling.

If your AC is on, try turning it off and see if the noise goes away.

Try turning off the fan, as well, if it's not the AC.

Andrew

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