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Without Air Conditioning

Fig. 23 Blower motor & heater core. Chevrolet Full Size less A/C:





Chevrolet

1. Disconnect battery ground cable and drain cooling system.
2. Disconnect heater hoses from heater core. Plug core outlets to prevent coolant spillage.
3. Remove attaching screws from around perimeter of heater core cover on engine side of dash panel.
4. Pull heater core cover from dash panel mounting.
5. Remove heater core from module assembly, Fig. 23.
6. Reverse procedure to install.