Lincoln Navigator: Engine Cooling - 3.5L EcoBoost (272kW/370PS) / Block Heater. Removal and Installation

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 (303-03 Engine Cooling - 3.5L EcoBoost (272kW/370PS), General Procedures).
   

1. Remove the following items:
   1. Remove the air cleaner outlet pipe.
      Refer to: Air Cleaner Outlet Pipe (303-12 Intake Air Distribution and Filtering - 3.5L EcoBoost (272kW/370PS), Removal and Installation).
      
   2. Remove the air cleaner.
      Refer to: Air Cleaner (303-12 Intake Air Distribution and Filtering - 3.5L EcoBoost (272kW/370PS), Removal and Installation).
      
   3. Remove the LH air cleaner outlet pipe.
      Refer to: Air Cleaner Outlet Pipe LH (303-12 Intake Air Distribution and Filtering - 3.5L EcoBoost (272kW/370PS), Removal and Installation).
      

1. Remove the engine appearance cover retainers, release the engine appearance cover from the rear retainers and then remove the engine appearance cover.
   

1. Disconnect the block heater electrical connector and the retainer.
   

1. NOTE: Be prepared to collect escaping fluid.

   Remove the block heater.
   Torque: 41 lb.ft (55 Nm)

Installation

1. If a new block heater cord has to be installed, install a new block heater cord.
   

1. To install, reverse the removal procedure.
   

1. Fill and bleed the cooling system.
   Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding (303-03 Engine Cooling - 3.5L EcoBoost (272kW/370PS), General Procedures).