I have noticed a whistling sound on my 2017 Rubicon. I have 42hrs 500km on it. It is most noticeable in 3rd or 4th gear 2wd. When I switch to 4wd, seems to go away. Performance is good, no issues. My 2016 Rubi bought this year with similar mileage does not make this noise. Any ideas. Still under warranty.
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