I have noticed that when i accelrate at around 60 to 80 kmph there a chime which starts and becomes loud till i reach 80 to 90 Kmph and then when the speed increases it dies down. After 100 to 110 kmph i dont hear that sound at all. About a month or so ago this soung started at 80 to 100 kmph. Now it starts at 60 to 80 kmph. Sounds like its coming from the middle of the jeep. Any suggestions? It sounds like something coming loose or the washers running around on a bolt. No idea.. Plz help.