Wrag do a little searching for Toyota clubs,maintenence, ect. There are some great sites with step by step instructions, pictures, ect. I had an 85 SR5 4wd that I worked on over the years. These sites made it so much easier.
There are a lot of old Toyota trucks still on the road. Also a lot of passionate owners. You should be able to find anything you need.
I finally sold mine last year, or I would still have the links. The guy that bought mine was going to completely restore it.
Frodo