With Air Conditioning

Fig. 26 Heater core installation. 1982 Corvette:

1. Disconnect battery ground cable and drain radiator.
2. Disconnect heater hoses from core and plug hoses and core openings.
3. Remove heater case retaining nut from top of blower case.
4. Remove glove box.
5. Remove console side panels retaining screw and swing both sides out.
6. Remove center gauge cluster assembly and radio.
7. Remove right windshield pillar trim panel.
8. Remove right side dash panel retaining screws and pull panel rearward to release upper retaining clip.
9. Remove right side vent, main vent distribution, and lower heater deflector ducts.
10. Remove heater-defroster distribution duct assembly, then disconnect temperature cable and vacuum hose from heater housing.
11. Remove heater housing assembly from vehicle and heater core from housing, Fig. 26.
12. Reverse procedure to install.