Cadillac Repair: heater core, cadillac fleetwood, heater core

Question
wher is the heater core? and how do i remove it to replace it? (1982 cadillac fleetwood 4.1 motor)

Answer
The heater core is on the passengers side in the engine compartment inside that big plastic black colored housing and is fairly simple to replace.

You will need several pictures, As this website which is NOT mine only allows one picture. You will also need directives.

E-mail: onlineautohelp@msn.com for assistance.