The dealer and Ford Motor Company said: "It´s normal, a regular condition", always when it´s raining it will happens... You didn´t buy a submarine it happens in all broncos, it also depends of your geographical zone and the weather, that´s "all off road"
Hello Nancy B, please give us more information about it, because my dealer saids that "it´s a normal noise, there is no problem" , can you tell us why your dealer said "failed the testing" maybe we can open my dealer "eyes" and they learn how to do it. Thank you.
I have the same problem (big bend), it sounds at 1400 rpm, since I get it new at the dealer, and they said "it´s normal, all the broncos has the same sound", but when the shift is in P (parking) there´s no sound at any rpm.