I Bought A 2004 Ford F-150 Supercrew Automatic Used From A Dealership In El Cajon Does Anyone Know Of Tranny Trouble It Seems To Slip And Overdrive Is Definately Screwed The Tranny Makes My Whole Truck Vibrate When Geting In And Out Of Overdrive On Highway It Is Lifted And Has 17 Inch Wheels And Tires On It Really Nice Truck But Cant Stand The Vibrations Help Please Before Idrive Off A Cliff Lol I Also Rad On Another Site That If You Dont Take It In For Service Before 30,000 They Wont Warranty The Tranny True Or Not Help