Lincoln Aviator: Rear Climate Control / Removal and Installation - Rear Heater Core

Special Tool(s) / General Equipment

Removal

NOTE: Removal steps in this procedure may contain installation details.

1. Drain the cooling system.
   Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding (303-03A Engine Cooling - 3.0L EcoBoost, General Procedures).
   Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding (303-03A Engine Cooling - 3.0L EcoBoost, General Procedures).
   

1. Remove the RHR wheel and tire.
   Refer to: Wheel and Tire (204-04A Wheels and Tires, Removal and Installation).
   

1. Remove the retainers and position aside RHR wheel splashshield.
   

1. Release clamp and position aside coolant line.
   Use the General Equipment: Hose Clamp Remover/Installer

1. Remove the RH loadspace trim panel.
   Refer to: Loadspace Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation).
   

1. • Remove and discard the heater core clamps, position aside the heater core inlet and outlet tubes.
     
   • Replace the heater core inlet and outlet tubes o-seals.
     
   • Remove the retainers and the rear heater core access cover.
     

1. Remove the rear heater core.
   

Installation

1. To install, reverse the removal procedure.
   

1. NOTE: Replace the pass-through floor seal with new if seal is removed or damaged.

   If replacing the heater core inlet and outlet tubes, the rear climate control housing must be removed.
   Refer to: Rear Climate Control Housing (412-02A Rear Climate Control, Removal and Installation).
   

1. Fill and bleed the cooling system.
   Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding (303-03A Engine Cooling - 3.0L EcoBoost, General Procedures).
   Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding (303-03A Engine Cooling - 3.0L EcoBoost, General Procedures).