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Old 07-07-2014, 08:22 PM   #1
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Join Date: May 2014
Location: DFW Metro, TX
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Please help diagnosing

This is driving me crazy, I would really appreciate any helpful hints that can help me get down to the bottom of this.

I have a 2014 JKUR auto with AEV 3.5" lift and 35" wheels. It has 750 miles on it, and since I first got it, it is making a whistling sound, not a wind whistle but a vibration whistle - it sounds kind of like a coach's whistle.

It's not speed or wind related. It tends to happen when the engine is somewhat bogged, usually in 4th or 5th gear at about 1.5K rpms and about 20% on the throttle. As soon as I give it 22% throttle, or 18% throttle, it goes away, but if I hold steady at 20% throttle, it will continue.

I tried to take it to the dealer, but they could not figure it out, but also had trouble re-creating the noise. I don't think they tried very hard though.

Anyway, I'm at a loss here and I'm willing to try anything to figure this out. Do you have any ideas what I can try?

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Old 07-07-2014, 09:37 PM   #2
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Is it an auto?

Nm, just saw it's a manual.

Mine will make that whine too under those conditions. Sometime the dual mass flywheels make make that noise.

Got a sound clip?

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Old 07-07-2014, 10:40 PM   #3
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No, it's not a manual, it's an auto. I wish it were a manual, but my wife couldn't reach the clutch pedal.

I'll see if I can get some video here in a bit...
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