Mercury E9AZ-18476-A Heater Assy - Less Radiator

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Taking out the heater core is a process that involves disconnecting the negative battery cable and draining the cooling system. One needs to unplug the tubes on the heater hoses from the core. One must also remove nuts as well as vacuum hoses. Other interior trim parts, like instrument panel trim, steering column covers, and reinforcement brace, need to be removed. The door sill plates should be loosened, cowl trim panels removed, and instrument panel bolts taken out. After lowering the steering column, retaining screws are removed to pull back the instrument panel. Wiring harnesses and vacuum components are disconnected from it. The floor air distribution duct is then removed. Move the plenum and remove it too.

For 1982 through 1987 Continental and 1984 through 1992 Mark VII models, if the vehicle has air conditioning, the refrigerant gas must be discharged, and the refrigerant lines going through the firewall need to be disconnected in addition to the steps mentioned earlier.

Reverse the removal steps accordingly.