My 2018 just started this loud idling like sound. The rpm gauge doesn't go up but it sounds like it's either idling too high or the motor fan is working overtime. Anyone else had this problem. I only have 8,000 miles on it.
On auto the fan generates the loud sound. Try switching it off the auto mode and see if it helps. Does with mine but the loudness doesn’t bother me much.
Thank you! This is my first Jeep and it's the closest thing I've had to a truck so I wasn't sure if the loudness was good or bad. I have thought about taking it off Auto because it is getting in the upper 90's here and when it kicks in my air slows down. No time for that! Again, thank you!