Here is a link for some info:
http://www.autozone.com/az/cds/en_us...rInfoPages.htm
WHy do you want to remove , is it because of leaking or noe heat???
Flushing of core could possibly help.
You may want to check with your local Library they may have a Haynes Repair Manual that you can check out or purchase at a parts store for about $20.00.
Hope this helps