I'm with you Miss Bodhi!
I do know the general ins and outs, but I worry that a minimally mantained 1979 automobile may not be the best starting point, if that makes sense. I can tell when something doesn't feel right, but my baseline is an elderly person's carport car, so I don't know if that is the best benchmark.
I'll check for a Haynes manual, but aren't those the ones that NEVER have a picture of the assembly you're working on, but always one of a "similar" model that looks nothing like yours?