tranny

First of all i would like to say that i'm a proud original owner of a 2002 AV z66. Well the day has come and my tranny appears to want to go into retirement --- will not come out of first gear ---- after 224k miles of loyalty. Now the big question is, what should i replace it with? I just...

My tranny is going out on my 1987 350 5.7L Suburban it is a 4 speed auto tranny.. It only drives in 2 gear no drive, but if you put it in over drive and go over 35 mph it will shift hard into over drive but then it just wants to go lol.. anyone have any suggestions on how to fix it or know...