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

Special Tool(s) / General Equipment

Hose Clamp Remover/Installer

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).
    • 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).

    Removal and Installation - Rear Footwell Air Discharge Temperature Sensor

    Removal NOTE: Removal steps in this procedure may contain installation details. Remove the RH loadspace trim panel. Refer to: Loadspace Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation)...

    Removal and Installation - Rear Heater Core Inlet Line

    Removal NOTE: The rear heater core inlet line is installed from the factory as a one-piece assembly. The replacement part is supplied as an assembly, containing the rear heater core outlet line and the rear evaporator inlet and outlet lines...

    Other information:

    Lincoln Aviator 2020-2023 Owners Manual: Brake Fluid Check


    WARNING: Do not use any fluid other than the recommended brake fluid as this will reduce brake efficiency. Use of incorrect fluid could result in the loss of vehicle control, serious personal injury or death. WARNING: Only use brake fluid from a sealed container...

    Lincoln Aviator 2020-2023 Service Manual: General Procedures - Heater Core Leak Check - Vehicles With: R134A Refrigerant


    Inspection NOTE: A coolant leak in the heater hose could follow the heater core tube to the heater core and appear as a leak in the heater core. Inspect for evidence of coolant leakage at the heater hose to heater core attachments. NOTE: Spring-type clamps are installed as original equipment...

    Categories

    Children and Airbags

    WARNING: Airbags can kill or injure a child in a child restraint. Never place a rear-facing child restraint in front of an active airbag. If you must use a forward-facing child restraint in the front seat, move the seat upon which the child restraint is installed all the way back.

    Lincoln Aviator. Children and Airbags

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