How do you replace a heater core for a Grand Am?

Answer by  Samhane (703)

You need to remove the internal components and get behind the radio along with the heater/AC controls. There will then be a radiator device that will need to be removed.

Answer by  Xceptional (642)

You might consider taking this somewhere, as it's a very difficult and risky repair if performed by someone who considers themselves a novice. This is a fairly broad question becomes there are many different models of your type of car. I would either consult a mechanic personally, or refer to your user manual.