Grand Marquis V8-302 5.0L VIN F FI (1985)
2. Remove the four retaining screws from the heater core cover and remove the cover from the plenum assembly.
3. Remove the retaining screw from the heater core inlet and outlet tube bracket.
4. Pull the heater core and seal assembly from the plenum assembly.
Without A/C
REMOVAL
Plenum And Air Inlet Duct Removal
1. Remove the plenum assembly. See: Heating and Air Conditioning/Heater Core Case/Service and Repair
