With Manual A/C
INSTALLATIONFig. 5 Typical heater core removal. 1982---88:
1. Carefully install the heater core and the seal assembly into the plenum assembly. Visually check to ensure that the core seal is properly positioned.
2. Position the heater core cover and install the four retaining screws and tighten.
Plenum/Evaporator Case And Evaporator Assembly:
3. Install the plenum assembly.