96-99 heater core replacement easy

After reading a previous post on replacing the heater core, I followed this link and instructions shown on this site: http://www.airsept.com/Articles/RecycleGuard/macs_SR03.03.pdf
it only took me an hour and a half nothing but smooth sailing. and if you work from the pass. side when you pull the dash out you dont even need an extra set of hands. thanks and good luck