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 2020-2026 Service Manual: Removal and Installation - Front Door Upper Moulding


    Removal NOTE: Removal steps in this procedure may contain installation details. NOTE: LH side shown, RH similar. All vehicles Remove the upper belt moulding screw at front of the door. position the screw cap aside and remove the upper belt moulding screw at rear of the door...

    Lincoln Aviator 2020-2026 Service Manual: Diagnosis and Testing - Vehicle Dynamic Suspension - Vehicles With: Air Suspension


    Diagnostic Trouble Code (DTC) Chart Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).   Diagnostic Trouble Code Chart Module   DTC Description Action   SUMA B1041:52 Levelling Control: Not Activated   GO to Pinpoint Test W   SUMA C1043:00 Pressure Decrease Too Slow From Reservoir: No Sub Type Information   GO to Pinpoint Test M   SUMA C104C:11 Left Rear Spring Rate Valve: Circuit Short To Ground   GO to Pinpoint Test E   SUMA C104C:12 Left Rear Spring Rate Valve: Circuit Short To Battery   GO to Pinpoint Test E   SUMA C104C:13 Left Rear Spring Rate Valve: Circuit Open   GO to Pinpoint Test E   SUMA C104C:1A Left Rear Spring Rate Valve: Circuit Resistance Below Threshold   GO to Pinpoint Test E   SUMA C104C:1F Left Rear Spring Rate Valve: Circuit Intermittent   GO to Pinpoint Test E   SUMA C104D:11 Right Front Spring Rate Valve: Circuit Short To Ground   GO to Pinpoint Test D   SUMA C104D:12 Right Front Spring Rate Valve: Circuit Short To Battery   GO to Pinpoint Test D   SUMA C104D:13 Right Front Spring Rate Valve: Circuit Open   GO to Pinpoint Test D   SUMA C104D:1A Right Front Spring Rate Valve: Circuit Resistance Below Threshold   GO to Pinpoint Test D   SUMA C104D:1F Right Front Spring Rate Valve: Circuit Intermittent   GO to Pinpoint Test D   SUMA C104E:11 Right Rear Spring Rate Valve: Circuit Short To Ground   GO to Pinpoint Test F   SUMA C104E:12 Right Rear Spring Rate Valve: Circuit Short To Battery   GO to Pinpoint Test F   SUMA C104E:13 Right Rear Spring Rate Valve: Circuit Open   GO to Pinpoint Test F   SUMA C104E:1A Right Rear Spring Rate Valve: Circuit Resistance Below Threshold   GO to Pinpoint Test F   SUMA C104E:1F Right Rear Spring Rate Valve: Circuit Intermittent   GO to Pinpoint Test F   SUMA C104F:11 Left Front Spring Rate Valve: Circuit Short To Ground   GO to Pinpoint Test C   SUMA C104F:12 Left Front Spring Rate Valve: Circuit Short To Battery   GO to Pinpoint Test C   SUMA C104F:13 Left Front Spring Rate Valve: Circuit Open   GO to Pinpoint Test C   SUMA C104F:1A Left Front Spring Rate Valve: Circuit Resistance Below Threshold   GO to Pinpoint Test C   SUMA C104F:1F Left Front Spring Rate Valve: Circuit Intermittent   GO to Pinpoint Test C   SUMA C1124:07 Height Sensor(s): Mechanical Failures   GO to Pinpoint Test G   SUMA C1124:11 Height Sensor(s): Circuit Short To Ground   GO to Pinpoint Test H   SUMA C1124:12 Height Sensor(s): Circuit Short To Battery   GO to Pinpoint Test H   SUMA C1124:54 Height Sensor(s): Missing Calibration   GO to Pinpoint Test U   SUMA C1A03:2A Left Front Height Sensor: Stuck in Range   GO to Pinpoint Test I   SUMA C1A03:34 Left Front Height Sensor: Signal High Time Less Than Minimum   GO to Pinpoint Test I   SUMA C1A03:35 Left Front Height Sensor: Signal High Time Greater Than Maximum   GO to Pinpoint Test I   SUMA C1A03:36 Left Front Height Sensor: Signal Frequency Too Low   GO to Pinpoint Test I   SUMA C1A03:37 Left Front Height Sensor: Signal Frequency Too High   GO to Pinpoint Test I   SUMA C1A03:84 Left Front Height Sensor: Signal Below Allowable Range   GO to Pinpoint Test I   SUMA C1A03:85 Left Front Height Sensor: Signal Above Allowable Range   GO to Pinpoint Test I   SUMA C1A04:2A Right Front Height Sensor: Stuck in Range   GO to Pinpoint Test J   SUMA C1A04:34 Right Front Height Sensor: Signal High Time Less Than Minimum   GO to Pinpoint Test J   SUMA C1A04:35 Right Front Height Sensor: Signal High Time Greater Than Maximum   GO to Pinpoint Test J   SUMA C1A04:36 Right Front Height Sensor: Signal Frequency Too Low   GO to Pinpoint Test J   SUMA C1A04:37 Right Front Height Sensor: Signal Frequency Too High   GO to Pinpoint Test J   SUMA C1A04:84 Right Front Height Sensor: Signal Below Allowable Range   GO to Pinpoint Test J   SUMA C1A04:85 Right Front Height Sensor: Signal Above Allowable Range   GO to Pinpoint Test J   SUMA C1A05:2A Left Rear Height Sensor: Stuck in Range   GO to Pinpoint Test K   SUMA C1A05:34 Left Rear Height Sensor: Signal High Time Less Than Minimum   GO to Pinpoint Test K   SUMA C1A05:35 Left Rear Height Sensor: Signal High Time Greater Than Maximum   GO to Pinpoint Test K   SUMA C1A05:36 Left Rear Height Sensor: Signal Frequency Too Low   GO to Pinpoint Test K   SUMA C1A05:37 Left Rear Height Sensor: Signal Frequency Too High   GO to Pinpoint Test K   SUMA C1A05:84 Left Rear Height Sensor: Signal Below Allowable Range   GO to Pinpoint Test K   SUMA C1A05:85 Left Rear Height Sensor: Signal Above Allowable Range   GO to Pinpoint Test K   SUMA C1A06:2A Right Rear Height Sensor: Stuck in Range   GO to Pinpoint Test L   SUMA C1A06:34 Right Rear Height Sensor: Signal High Time Less Than Minimum   GO to Pinpoint Test L   SUMA C1A06:35 Right Rear Height Sensor: Signal High Time Greater Than Maximum   GO to Pinpoint Test L   SUMA C1A06:36 Right Rear Height Sensor: Signal Frequency Too Low   GO to Pinpoint Test L   SUMA C1A06:37 Right Rear Height Sensor: Signal Frequency Too High   GO to Pinpoint Test L   SUMA C1A06:84 Right Rear Height Sensor: Signal Below Allowable Range   GO to Pinpoint Test L   SUMA C1A06:85 Right Rear Height Sensor: Signal Above Allowable Range   GO to Pinpoint Test L   SUMA C1A20:00 Pressure Increase Too Slow When Filling Reservoir: No Sub Type Information   GO to Pinpoint Test M   SUMA C1A27:09 Compressor: Component Failures   GO to Pinpoint Test N   SUMA C1A27:63 Compressor: Circuit/Component Protection Time-Out   GO to Pinpoint Test N   SUMA C1A27:98 Compressor: Component Or System Over Temperature   GO to Pinpoint Test N   SUMA C1A27:99 Compressor: Exceeded Learning Limit   GO to Pinpoint Test N   SUMA C1A31:63 Left Front Corner Valve: Circuit/Component Protection Time-Out   GO to Pinpoint Test AD   SUMA C1A32:63 Right Front Corner Valve: Circuit/Component Protection Time-Out   GO to Pinpoint Test AD   SUMA C1A33:63 Left Rear Corner Valve: Circuit/Component Protection Time-Out   GO to Pinpoint Test AD   SUMA C1A34:63 Right Rear Corner Valve: Circuit/Component Protection Time-Out   GO to Pinpoint Test AD   SUMA C1A36:63 Exhaust Valve: Circuit/Component Protection Time-Out   GO to Pinpoint Test AD   SUMA U0100:87 Lost Communication With ECM / PCM: Missing Message   GO to Pinpoint Test O   SUMA U0121:87 Lost Communication With Anti-Lock Brake System (ABS) Control Module: Missing Message   GO to Pinpoint Test P   SUMA U0122:87 Lost Communication With Vehicle Dynamics Control Module: Missing Message   GO to Pinpoint Test Q   SUMA U0131:87 Lost Communication With Power Steering Control Module "A": Missing Message   GO to Pinpoint Test R   SUMA U0140:87 Lost Communication With Body Control Module: Missing Message   GO to Pinpoint Test S   SUMA U0146:87 Lost Communication With Serial Data Gateway "A": Missing Message   GO to Pinpoint Test T   SUMA U0401:00 Invalid Data Received from ECM/PCM A: No Sub Type Information   GO to Pinpoint Test X   SUMA U0415:00 Invalid Data Received from Anti-Lock Brake System (ABS) Control Module "A": No Sub Type Information   GO to Pinpoint Test Y   SUMA U0416:00 Invalid Data Received From Vehicle Dynamics Control Module: No Sub Type Information   GO to Pinpoint Test Z   SUMA U0420:00 Invalid Data Received from Power Steering Control Module "A": No Sub Type Information   GO to Pinpoint Test AA   SUMA U0422:00 Invalid Data Received From Body Control Module: No Sub Type Information   GO to Pinpoint Test AB   SUMA U0447:00 Invalid Data Received From Serial Data Gateway "A": No Sub Type Information   GO to Pinpoint Test AC   SUMA U2100:00 Initial Configuration Not Complete: No Sub Type Information   GO to Pinpoint Test V   SUMA U2100:56 Initial Configuration Not Complete: Invalid/Incompatible Configuration   GO to Pinpoint Test V   SUMA U3000:04 Control Module: System Internal Failures   GO to Pinpoint Test V   SUMA U3000:45 Control Module: Program Memory Failure   GO to Pinpoint Test V   SUMA U3000:46 Control Module: Calibration/Parameter Memory Failure   GO to Pinpoint Test V   SUMA U3000:47 Control Module: Watchdog/Safety µC Failure   GO to Pinpoint Test V   SUMA U3000:48 Control Module: Supervision Software Failure   GO to Pinpoint Test V   SUMA U3003:16 Battery Voltage: Circuit Voltage Below Threshold   GO to Pinpoint Test A   SUMA U3003:17 Battery Voltage: Circuit Voltage Above Threshold   GO to Pinpoint Test B Symptom Chart Symptom Chart: Vehicle Dynamic Suspension Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices...

    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

    read more

     
    Copyright © 2026 www.liaviator2.com