Originally Posted by Jzelm10
I have a 89 mustang gt and I need to replace the heater core. I want to save money and do it myself. Is this an easy or complicated thing to replace? I know it's behind the passenger dash and they are pretty cheap to buy. If someone has any input that would help.
It's difficult therefore you can save a good bit of money doing it yourself.
There is a link to an article here - Useful Mustang Info