OK, i'll answer the question. but i can't do it here. so,
here is a free online manual for your study,
http://www.autozone.com/autozone/homePage.jsp
just sign up and plug in your vehicle info and go to,
REPAIR INFO / 1999 TOYOTA COROLLA 1.8L EFI DOHC 4CYL REPAIR GUIDE / ENGINE MECHANICAL / ENGINE MECHANICAL COMPONENTS / TIMING CHAIN & SPROCKETS
and that's how it's done!
cheers!