Lincoln Navigator: Climate Control System - General Information / Cabin Heater Coolant Pump. Removal and Installation

Special Tool(s) / General Equipment

Removal

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

1. 
   
   

     WARNING: Always allow the engine to cool before opening the cooling system. Do not unscrew the coolant pressure relief cap when the engine is operating or the cooling system is hot. The cooling system is under pressure; steam and hot liquid can come out forcefully when the cap is loosened slightly. Failure to follow these instructions may result in serious personal injury.

     WARNING: When releasing the cooling system pressure, cover the coolant expansion tank cap with a thick cloth.

   Release the cooling system pressure by slowly turning the pressure relief cap between 2 and 3 turns and remove the pressure relief cap.
   

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

1. Remove the RH CAC intake pipe.
   Refer to: Charge Air Cooler (CAC) Intake Pipe (303-12 Intake Air Distribution and Filtering - 3.5L EcoBoost (272kW/370PS), Removal and Installation).
   

1. 1. Disconnect electrical connector.
      
   2. Remove the bolt.
      Torque: 62 lb.in (7 Nm)

1. 1. Release hose clamps and disconnect inlet and outlet coolant hoses.
      Use the General Equipment: Fluid Container
      Use the General Equipment: Locking Pliers
      Use the General Equipment: Hose Clamp Remover/Installer
   2. Remove the bolts and the cabin heater coolant pump.
      Torque: 62 lb.in (7 Nm)

Installation

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).