Lincoln Aviator: Engine Cooling - 3.0L EcoBoost / Removal and Installation - Coolant Pump

Special Tool(s) / General Equipment

Removal

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

1. Remove the air cleaner.
   Refer to: Air Cleaner (303-12 Intake Air Distribution and Filtering - 3.0L EcoBoost/3.0L EcoBoost – Hybrid (BQ), Removal and Installation).
   

1. Remove the CAC outlet pipe.
   Refer to: Charge Air Cooler (CAC) Outlet Pipe (303-12 Intake Air Distribution and Filtering - 3.0L EcoBoost/3.0L EcoBoost – Hybrid (BQ), Removal and Installation).
   

1. Loosen the coolant pump pulley bolts.
   

1. Remove the accessory drive belt.
   Refer to: Accessory Drive Belt (303-05A Accessory Drive - 3.0L EcoBoost, Removal and Installation).
   

NOTE: Completely remove the accessory drive belt to prevent coolant contamination.

1. Remove the bolts and the coolant pump pulley.
   

1. Remove the thermostat.
   Refer to: Thermostat (303-03A Engine Cooling - 3.0L EcoBoost, Removal and Installation).
   

1. Remove the bolt and the idler pulley.
   

1. • Release the clamp and disconnect the coolant hose.
     Use the General Equipment: Hose Clamp Remover/Installer
   • Disconnect the coolant hose quick release coupling.
     

1. NOTE: Use caution to prevent damaging the coolant inlet pipe grommet.

   Remove the bolts and the coolant pump.
   

1. Remove and discard the coolant pump gasket and seal.
   

Installation

1. • Lubricate the inside and the outside diameter of the grommet with clean engine coolant.
     Refer to: Specifications (303-03A Engine Cooling - 3.0L EcoBoost, Specifications).
     
   • Install the grommet so it is flush with the leading edge of the coolant pump housing to aid in alignment during assembly.
     

1. NOTE: Verify the front cover dowel pins are aligned to the coolant pump and that the coolant pump is fully seated prior to installing the fasteners.

   • Using a new gasket, install the coolant pump and the bolts.
     Torque:
        Fasteners 1-7:  
       Stage 1:  89 lb.in (10 Nm)
       Stage 2:  45°
   • Torque:
        Fastener 8:   18 lb.ft (24 Nm)

1. • Connect the coolant hose and position the clamp.
     Use the General Equipment: Hose Clamp Remover/Installer
   • Connect the coolant hose quick release coupling.
     

1. Install the idler pulley and the bolt.
   Torque: 35 lb.ft (47.5 Nm)

1. Install the thermostat.
   Refer to: Thermostat (303-03A Engine Cooling - 3.0L EcoBoost, Removal and Installation).
   

1. Position the coolant pump pulley and install the fasteners finger tight.
   

1. Install the accessory drive belt.
   Refer to: Accessory Drive Belt (303-05A Accessory Drive - 3.0L EcoBoost, Removal and Installation).
   

1. Tighten the coolant pump pulley fasteners.
   Torque: 18 lb.ft (24 Nm)

1. Install the CAC outlet pipe.
   Refer to: Charge Air Cooler (CAC) Outlet Pipe (303-12 Intake Air Distribution and Filtering - 3.0L EcoBoost/3.0L EcoBoost – Hybrid (BQ), Removal and Installation).
   

1. Install the air cleaner.
   Refer to: Air Cleaner (303-12 Intake Air Distribution and Filtering - 3.0L EcoBoost/3.0L EcoBoost – Hybrid (BQ), 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).