Lincoln Aviator 2020-2025 Service Manual / Electrical / Climate Control System / Supplemental Climate Control / Removal and Installation - Cabin Coolant Heater

Lincoln Aviator: Supplemental Climate Control / Removal and Installation - Cabin Coolant Heater

Removal

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

With the vehicle in NEUTRAL, position it on a hoist.
Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation).

Disconnect the batteries.
Refer to: Battery Disconnect and Connect (414-01 Battery, Mounting and Cables, General Procedures).

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

Remove the front bumper cover.
Refer to: Front Bumper Cover (501-19 Bumpers, Removal and Installation).

1. Disconnect the electrical connectors.
1. Detach the wiring harness routing clips.
1. Remove the ground wire retainer and position aside the wiring harness.
  Torque: 106 lb.in (12 Nm)

1. Disconnect the coolant hoses.
1. Detach the coolant hose routing clips.
1. Remove the retainers and the cabin coolant heater.
  Torque: 26 lb.ft (35 Nm)

Installation

To install, reverse the removal procedure.

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).

Description and Operation - Supplemental Climate Control - System Operation and Component Description

System Diagram Item Description 1 SOBDMC 2 BCMC 3 PCM 4 Cabin Coolant Heater 5 Cabin heater coolant temperature sensor 6 Cabin heater coolant pump 7 Ambient Air Temperature (AAT) sensor 8 Engine Coolant Temperature (ECT) sensor Network Message Chart - Module Network Input Messages - SOBDMC Cabin Coolant Heater Broadcast Message Originating Module Message Purpose Engine Coolant Temperature Data PCM This message contains raw value from the engine coolant temperature sensor...

Removal and Installation - Cabin Heater Coolant Diverter Valve

Special Tool(s) / General Equipment Hose Clamp(s) Hose Clamp Remover/Installer Fluid Container Removal NOTE: Removal steps in this procedure may contain installation details...

Other information:

Lincoln Aviator 2020-2025 Service Manual: Removal and Installation - Steering Column Shrouds

Special Tool(s) / General Equipment Flat Headed Screw Driver Interior Trim Remover Removal Fully extend and lower the steering column. Release the tabs and disconnect the gap hider from the upper steering column shroud...

Lincoln Aviator 2020-2025 Owners Manual: 12 Volt DC Power Point

WARNING: Do not plug optional electrical accessories into the cigar lighter socket. Incorrect use of the cigar lighter can cause damage not covered by the vehicle warranty, and can result in fire or serious injury. Note: When you switch the ignition on, you can use the socket to power 12 volt appliances with a maximum current rating of 15 amps...

Locking and Unlocking the Doors from Inside

Lincoln Aviator. Locking and Unlocking the Doors from Inside

Unlock. Lock.

Locking the Doors

Press the lock switch on the door interior trim panel. The doors can no longer be released using the exterior door handle switches and the luggage compartment locks.