Cadillac Repair: 1998 cadillac SLS heater core, cadillac sls, star engine

Question
We own a 1998 cadillac sls with a north star engine. The heater core is leaking all over the passenger side front floor. How do you replace.? Thank you for your assistance.

Answer
You will need, If necessary, Electrical schematics, Test procedures and picture locations of the components within the system that is causing you problems of which can't be done on this website which only allows one picture.  I do not have a website so you will have to e-mail: onlineautohelp@msn.com in order to obtain the information.