How do you change a heater core on a 1997 grand am se?

Answer 1

1. Disconnect the negative battery cable.

2. Drain and recycle the engine coolant.
3. Raise and safely support the front of the vehicle.
4. If necessary, remove the rear lateral transaxle strut mount.
5. Detach the drain tube, then disconnect the heater hoses from the core tubes.
6. Carefully lower the vehicle.
7. Remove the console if equipped.
8. Unfasten and remove the sound insulators, console extensions and/or steering column filler, as required.
9. On some models it may be necessary to remove the steering column opening filler.
10. Remove the floor or console outlet ductwork and hoses.
11. Remove the heater core access cover. Unfasten the heater core mounting clamps/bolts, then extract the heater core from the vehicle.