14 JKU WW, 1800 miles. Noticed a noise at idle the other day, almost shhhhing noise, with a faint chirp to it. From inside the car, my wife though it was spring peepers. Im thinking its probably the water pump. It only happens after its been warmed up. Really disappointing to have the gas tank replaced and now this. Really wondering about the quality of these things honestly...seems like Chrysler doesn't have good control of it's suppliers.