Hello i am new to this forum but inhave 1990 mustang auto (AOD) so i have a problem thats really having me worried.. Everytime i hit about 25-35 mph the car shakes ican get through the shaking if i press on the gas harder ifeel like its the tranny ....then when im slowing down ihear and feel a clunking torwards the rear of the car and it always shakes real hard .. ?? I already swapped my tranny mount and my u joints please help