Is there a website????

Hello all....
I'm a newbie on this board, and from what I've seen, I've been missing a lot. I have a 1989 Chevy Suburban with a possible transmission problem. It doesn't shift into gear until it warms up, and reverse can only be used if I turn the truck off, put it in reverse, and turn it back on again. Its a manual transmission (3 speed w/ granny gear)

Anyway, is there a website that shows pics on how to maintain this vrehicle?

Sort of like an online Chilton's manual?

Thanks in advance............