Lincoln Navigator: Engine - 3.5L EcoBoost (272kW/370PS) / Valve Cover LH. Removal and Installation

Special Tool(s) / General Equipment

	205-142 (T80T-4000-J) Installer, Differential Bearing Cone
	205-153 (T80T-4000-W) Handle
	303-1247 VCT Spark Plug Tube Seal Remover and Installer TKIT-2006UF-FLM TKIT-2006UF-ROW

Materials

Removal

NOTICE: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces that enters the oil passages, coolant passages or the oil pan, can cause engine failure.

NOTE: Installation of new spark plug seals or VCT seals is only required if seals are damaged.

1. Remove the intake manifold.
   Refer to: Intake Manifold (303-01 Engine - 3.5L EcoBoost (272kW/370PS), Removal and Installation).
   

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

1. Remove the high pressure fuel pump.
   Refer to: High-Pressure Fuel Pump (303-04A Fuel Charging and Controls - 3.5L EcoBoost (272kW/370PS), Removal and Installation).
   

1. 1. Cut the housing above the lock tabs.
      
   2. Cut the housing arm retainer.
      
   3. Remove the housing and retainer from the valve cover spigot.
      
   4. Disconnect the PCV pressure sensor electrical connector.
      
   5. Follow directions to disconnect the quick release coupling type 4. Disconnect the PCV tube quick connect coupling, remove and discard the tube.
      Refer to: Quick Release Coupling (310-00 Fuel System - General Information - 3.5L EcoBoost (272kW/370PS), General Procedures).
      

1. Remove the LH 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. Remove the nuts and the CAC tube bracket.
   

1. Remove the LH ignition coil-on-plugs.
   Refer to: Ignition Coil-On-Plug (303-07 Engine Ignition - 3.5L EcoBoost (272kW/370PS), Removal and Installation).
   

1. • Disconnect the VCT sensor electrical connectors.
     
   • Detach the wiring harness retainers and position the harness aside.
     
   • Disconnect the CMP sensor electrical connectors.
     
   • Disconnect the LH TC electrical connector.
     

1. Remove the bolts and the CMP sensors.
   

1. Remove the oil level indicator.
   

1. NOTICE: While removing the valve cover do not apply excessive force to the VCT oil control solenoid or damage may occur.

   NOTICE: If the VCT oil control solenoid sticks to the VCT seal, carefully wiggle the valve cover until the bond breaks free or damage to the VCT seal and VCT oil control solenoid may occur.

   Remove the fasteners and the valve cover.
   

1. Remove and discard the valve cover and intake port gaskets.
   

1. NOTE: Inspect the VCT oil control solenoid seals. Remove any damaged seals.

   If necessary, using the special tools, remove the VCT oil control solenoid seals.
   Use Special Service Tool: 205-142 (T80T-4000-J)  Installer, Differential Bearing Cone. , 205-153 (T80T-4000-W)  Handle.

1. NOTE: Inspect the spark plug tube seals. Remove any damaged seals.

   If necessary, using the special tools, remove the spark plug tube seals.
   Use Special Service Tool: 303-1247  VCT Spark Plug Tube Seal Remover and Installer. , 205-153 (T80T-4000-W)  Handle.

1. Clean the valve cover, cylinder head and engine front cover sealing surfaces with metal surface prep.
   Material: Motorcraft® Metal Surface Prep Wipes / ZC-31-B

Installation

1. NOTE: Installation of new seals is only required if damaged seals were removed.

   If removed, using the special tools, install the spark plug tube seals.
   Use Special Service Tool: 303-1247  VCT Spark Plug Tube Seal Remover and Installer. , 205-153 (T80T-4000-W)  Handle.

1. NOTE: Installation of new seals is only required if damaged seals were removed.

   If removed, using the special tools, install the VCT oil control solenoid seals.
   Use Special Service Tool: 205-142 (T80T-4000-J)  Installer, Differential Bearing Cone. , 205-153 (T80T-4000-W)  Handle.

1. Install the new valve cover and intake port gaskets.
   

1. NOTE: If the valve cover is not installed and the fasteners tightened within 4 minutes, the sealant must be removed and the sealing area cleaned. To clean the sealing area, use silicone gasket remover and metal surface prep. Failure to follow this procedure can cause future oil leakage.

   Apply an 8 mm (0.31 in) bead of Motorcraft® High Performance Engine RTV Silicone to the engine front cover-to-cylinder head joints.
   Material: Motorcraft® Metal Surface Prep Wipes / ZC-31-B
   Material: Motorcraft® Silicone Gasket Remover / ZC-30-A, AZC-30-C
   Material: Motorcraft® High Performance Engine RTV Silicone / TA-357 (WSE-M4G323-A6)

1. Install the valve cover and tighten the fasteners in the sequence shown.
   Torque: 89 lb.in (10 Nm)

1. Make sure the VCT seals in the valve cover are below the top of the VCT oil control solenoid electrical connector or the VCT seal may leak oil.
   

1. Install the oil level indicator.
   

1. NOTE: Before installation, lubricate the CMP sensor O-ring seal with clean engine oil.

   Install the CMP sensors and the bolts.
   Refer to: Specifications (303-01 Engine - 3.5L EcoBoost (BM)) .
   Torque: 71 lb.in (8 Nm)

1. • Position the wiring harness and attach the wiring harness retainers.
     
   • Connect the VCT sensor electrical connectors.
     
   • Connect the CMP sensor electrical connectors.
     
   • Connect the LH TC electrical connector.
     

1. Install the LH ignition coil-on-plugs.
   Refer to: Ignition Coil-On-Plug (303-07 Engine Ignition - 3.5L EcoBoost (272kW/370PS), Removal and Installation).
   

1. Install the CAC tube bracket and nuts.
   Torque: 53 lb.in (6 Nm)

1. Install the LH 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. Follow directions to connect the quick release coupling type 4 to the turbo charger outlet tube. Install the new PCV tube.
      Refer to: Quick Release Coupling (310-00 Fuel System - General Information - 3.5L EcoBoost (272kW/370PS), General Procedures).
      
   2. Connect the new PCV housing to the valve cover spigot.
      
   3. Connect the PCV pressure sensor electrical connector.
      

1. Install the air cleaner assembly.
   Refer to: Air Cleaner (303-12 Intake Air Distribution and Filtering - 3.5L EcoBoost (272kW/370PS), Removal and Installation).
   

1. Install the intake manifold.
   Refer to: Intake Manifold (303-01 Engine - 3.5L EcoBoost (272kW/370PS), Removal and Installation).