I just puchased a 07 JKU X and noticed that in 4th gear(AT) around 1500 RPM and 45-50 mph it feels like I am driving over HAZARD STRIPS. It shakes (not so much in the steering) but if I accelerate above the 1500 RPM range it stops. I read alot about Death Wobble but wasnt sure if DW went away when accellerating. Dealership said they thought the torque converter was shuttering and recommended a fluid change. I think it is a waste. Any ides? Very Frustrating.