far as i know, none.
just turn the crank till a rocker arm is loose and go for it. each rocker. the only sequences are for the cam main journals.
i don't know what year this is out of but here's a free factory shop manual for dl. you'll have to scroll for yours.
http://www.ncttora.com/fsm/index.html
or you can go here,
http://www.autozone.com/autozone/
it's another free manual, online only.
just sign up, plug in your vehicle info, and go to "repair info"
cheers!