Cadillac Repair: Heater Core Replacement 1968 Fleetwood, heater core replacement, heater core removal

Question
I need Heater core removal replacement procedure for a 1968 Fleetwood

Answer
If you are mechanicaly inclined and can understand written directives as I doubt any pictures are available,or know of someone who is mechanically inclined, I do not have a website so you will have to e-mail: onlineautohelp@msn.com in order to obtain the information.