Lincoln Corsair: Fuel Charging and Controls - Turbocharger - 2.0L EcoBoost (177kW/240PS) – MI4 / Removal and Installation - Turbocharger Oil Return Tube

Materials

Removal

NOTICE: The turbocharger compressor vanes can be damaged by even the smallest particles. When removing any turbocharger or engine air intake system component, ensure that no debris enters the system. Failure to do so may result in damage to the turbocharger.

NOTICE: Special attention needs to be given to the sealing ports for the oil supply, the oil return, and the coolant tubes, on turbocharged engines. The sealing ports must be totally clean and free from O-ring residue, have no damage to the sealing surface and the tubes to ensure that there are no leaks or repeat repairs.

All vehicles

1. Remove the engine front undershield.
   Refer to: Engine Front Undershield (501-02 Front End Body Panels, Removal and Installation).
   

AWD (all-wheel drive) vehicles

1. Remove the power transfer unit.
   Refer to: Power Transfer Unit - Vehicles With: Power Transfer Unit Oil-to-Coolant Cooler (307-07B Power Transfer Unit - 2.0L EcoBoost (177kW/240PS) – MI4, Removal).
   Refer to: Power Transfer Unit - Vehicles Without: Power Transfer Unit Oil-to-Coolant Cooler (307-07B Power Transfer Unit - 2.0L EcoBoost (177kW/240PS) – MI4, Installation).
   

All vehicles

1. Remove the bolts, then remove and discard the turbocharger oil return tube.
   

Installation

All vehicles

1. NOTICE: Ensure that a new turbocharger oil return tube O-ring and gasket are used.

   Install a new turbocharger oil return tube O-ring seal and a new turbocharger oil return tube gasket if not already installed. Lubricate the new turbocharger oil return tube O-ring seal with clean engine oil.
   Refer to: Specifications (303-01A Engine - 2.0L EcoBoost (177kW/240PS) – MI4, Specifications).
   

1. NOTICE: Do not use a metal brush, damage to sealing area will result in leaks.

   NOTE: The oil return tube must be fully seated prior to fastener rundown.

   • Carefully use a nylon brush to remove the old O-ring residue, use brake cleaner to rinse the O-ring residue out of the turbocharger tube O-ring bore. Inspect the area for deep scratches and gouges. Install new components if needed.
     
   1. Install the turbocharger oil return tube, then install and tighten the turbocharger oil return tube bolts.
      Material: Motorcraft® Metal Brake Parts Cleaner / PM-4-A, PM-4-B, APM-4-C
      Torque: 97 lb.in (11 Nm)

AWD (all-wheel drive) vehicles

1. Install the power transfer unit.
   Refer to: Power Transfer Unit - Vehicles With: Power Transfer Unit Oil-to-Coolant Cooler (307-07B Power Transfer Unit - 2.0L EcoBoost (177kW/240PS) – MI4, Installation).
   Refer to: Power Transfer Unit - Vehicles Without: Power Transfer Unit Oil-to-Coolant Cooler (307-07B Power Transfer Unit - 2.0L EcoBoost (177kW/240PS) – MI4, Installation).
   

All vehicles

1. Install the engine front undershield.
   Refer to: Engine Front Undershield (501-02 Front End Body Panels, Removal and Installation).
   

1. Check the engine oil level and fill as needed.
   Refer to: Specifications (303-01A Engine - 2.0L EcoBoost (177kW/240PS) – MI4, Specifications).