I have a stock (except for rancho shocks put on 2 months ago) 15' jku sahara w/43k miles. A strange noise has just popped up out of nowhere. Noise is coming from front passenger floorboard area. Its sound like a chirp/squeak or like a fan blade barely hitting water (like a window ac unit fan). Noise starts at 30ish and is most constant at 45 mph. Any suggestions before i take it to dealership? thx! And Happy 4th of July!