Cadillac Repair: Cadillac northstar engine, cadillac northstar, northstar engine

Question
Coolant cross over lines in back near fire wall how do i get them out and what are they bolted too?

Answer
You will need, If necessary, Electrical schematics 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.