Lincoln Aviator 2020-2026 Service Manual / Electrical / Climate Control System / Rear Climate Control / Removal and Installation - Rear Heater Core

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.

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).

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

Remove the retainers and position aside RHR wheel splashshield.

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

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.

Remove the rear heater core.

Installation

To install, reverse the removal procedure.

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).

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 2020-2026 Service Manual: Description and Operation - Airbag and Seatbelt Pretensioner Supplemental Restraint System (SRS) - System Operation and Component Description

System Operation System Diagram - Supplemental Restraint System (SRS) Item Description 1 RCM 2 Ignition Switch 3 GWM 4 Driver Seatbelt Buckle Switch 5 Passenger Seatbelt Buckle Switch 6 RHFront Impact Severity Sensor 7 Driver Door Side Impact Sensor 8 Driver C-Pillar Side Impact Sensor 9 Passenger Belt Tension Sensor (BTS) 10 Passenger Seat Position Sensor 11 Driver Seat Position Sensor 12 APIM 13 Passenger Door Side Impact Sensor 14 BCM 15 Driver Second Row Seatbelt Buckle Switch 16 Passenger Second Row Seatbelt Buckle Switch 17 LH Front Impact Severity Sensor 18 OCSM 19 Center Second Row Seatbelt Buckle Switch 20 Passenger C-Pillar Side Impact Sensor 21 Driver Third Row Seatbelt Buckle Switch 22 Passenger Third Row Seatbelt Buckle Switch 23 IPC Item Description 1 Passenger Seatbelt Anchor Pretensioner 2 Driver Seatbelt Anchor Pretensioner 3 Driver Seatbelt Retractor Pretensioner 4 Passenger Side Curtain Airbag 5 Driver Side Curtain Airbag 6 Passenger Side Airbag 7 Driver Side Airbag 8 Passenger Airbag (Stages 1 and 2) 9 Driver Airbag (Stages 1 and 2) 10 RCM 11 BCM 12 Passenger Seatbelt Adaptive Load Limiter 13 Passenger Seatbelt Retractor Pretensioner 14 Passenger Load Limiting Retractor 15 Passenger Airbag Vent (if equipped) 16 Passenger Knee Airbag 17 Driver Knee Airbag 18 Driver Second Row Seatbelt Retractor 19 Passenger Second Row Seatbelt Retractor Network Message Chart - Supplemental Restraint System (SRS) Module Network Input Messages - RCM Broadcast Message Originating Module Message Purpose eCall confirmation APIM Used for SYNC® 911 Assist™ operation...

Lincoln Aviator 2020-2026 Owners Manual: Connected Vehicle Data

The modem has a SIM. The modem was enabled when your vehicle was built and periodically sends messages to stay connected to the cell phone network, receive automatic software updates and send vehicle-related information to us, for example diagnostic information...

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