98charlize

ok so i hope some one can help. i have a vibraion that fells like its coming from the rear but at this point i cant be sure. i just replaced the u joints and the tranny mount thinking that might be it. when i drive even at low speed but more so at high speeds around 3k on the tach, it vibrates so hard it feels like the rear end might fall out. i'm trying to sell it and want to fix right before i let it go.