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Lincoln Navigator: Engine

Lincoln Navigator 2018-2025 Workshop Manual / Engine

  • Engine System - General Information
    1. Engine - Overview. Description and Operation
    2. Engine. Diagnosis and Testing
    3. Bearing Inspection. General Procedures
    4. Compression and Cylinder Leakage Test. General Procedures
    5. Connecting Rod Bearing Journal Clearance. General Procedures
    6. Crankshaft Main Bearing Journal Clearance. General Procedures
    7. Cylinder Block Core Plug Replacement. General Procedures
    8. Cylinder Block Distortion. General Procedures
    9. Cylinder Bore Taper. General Procedures
    10. Cylinder Head Distortion. General Procedures
    11. Engine Noise Identification and Location. General Procedures
    12. Exhaust Manifold Cleaning and Inspection. General Procedures
    13. Intake Manifold Vacuum Test. General Procedures
    14. Oil Consumption Test. General Procedures
    15. Oil Leak Inspection. General Procedures
    16. Oil Pressure Test. General Procedures
    17. Piston Diameter. General Procedures
    18. Piston Inspection. General Procedures
    19. Piston Ring End Gap. General Procedures
    20. Piston Selection. General Procedures
    21. Powertrain/Drivetrain Mount Neutralizing. General Procedures
    22. RTV Sealing Surface Cleaning and Preparation. General Procedures
    23. Spark Plug Inspection. General Procedures
    24. Valve Guide Inner Diameter. General Procedures
    25. Valve Stem Diameter. General Procedures
    26. Valve Train Analysis. General Procedures
  • Engine - 3.5L EcoBoost (272kW/370PS)
    1. Specifications
    2. Engine Component View. Description and Operation
    3. Engine - Overview. Description and Operation
    4. Engine. Diagnosis and Testing
    5. Camshaft LH. Removal and Installation
    6. Camshaft RH. Removal and Installation
    7. Crankshaft Front Seal. Removal and Installation
    8. Crankshaft Pulley. Removal and Installation
    9. Crankshaft Rear Seal. Removal and Installation
    10. Cylinder Head LH. Removal and Installation
    11. Cylinder Head RH. Removal and Installation
    12. Engine Front Cover. Removal and Installation
    13. Engine Mount LH. Removal and Installation
    14. Engine Mount RH. Removal and Installation
    15. Exhaust Manifold LH. Removal and Installation
    16. Exhaust Manifold RH. Removal and Installation
    17. Flexplate. Removal and Installation
    18. Front Cover to Coolant Pipe Seal. Removal and Installation
    19. Hydraulic Lash Adjuster. Removal and Installation
    20. Intake Manifold. Removal and Installation
    21. Oil Cooler. Removal and Installation
    22. Oil Pan. Removal and Installation
    23. Oil Pump. Removal and Installation
    24. Rocker Arm. Removal and Installation
    25. Timing Chain. Removal and Installation
    26. Timing Chain Tensioner. Removal and Installation
    27. Timing Chain Tensioner. Removal and Installation
    28. Valve Cover LH. Removal and Installation
    29. Valve Cover RH. Removal and Installation
    30. Variable Camshaft Timing (VCT) Unit. Removal and Installation
    31. Engine. Removal
    32. Engine. Disassembly
    33. Cylinder Head. Disassembly and Assembly of Subassemblies
    34. Piston. Disassembly and Assembly of Subassemblies
    35. Engine. Assembly
    36. Engine. Installation
  • Engine Cooling - 3.5L EcoBoost (272kW/370PS)
    1. Specifications
    2. Engine Cooling - Component Location. Description and Operation
    3. Engine Cooling - System Operation and Component Description. Description and Operation
    4. Cooling Fan Control. Diagnosis and Testing
    5. Engine Cooling. Diagnosis and Testing
    6. Engine Temperature. Diagnosis and Testing
    7. Engine Cooling System Draining, Vacuum Filling and Bleeding. General Procedures
    8. Engine Cooling System Flushing. General Procedures
    9. Block Heater. Removal and Installation
    10. Coolant Pump. Removal and Installation
    11. Cooling Fan Motor and Shroud. Removal and Installation
    12. Cooling Module. Removal and Installation
    13. Degas Bottle. Removal and Installation
    14. Radiator. Removal and Installation
    15. Thermostat. Removal and Installation
    16. Thermostat Housing. Removal and Installation
    17. Transmission Fluid Heater Coolant Control Valve. Removal and Installation
  • Fuel Charging and Controls - 3.5L EcoBoost (272kW/370PS)
    1. Fuel Charging and Controls - Component Location. Description and Operation
    2. Fuel Charging and Controls - System Operation and Component Description. Description and Operation
    3. Air/Fuel Ratio. Diagnosis and Testing
    4. Electronic Throttle Control System. Diagnosis and Testing
    5. Fuel Charging. Diagnosis and Testing
    6. Fuel Control. Diagnosis and Testing
    7. High-Pressure Fuel System. Diagnosis and Testing
    8. Direct Injection Fuel Rail LH. Removal and Installation
    9. Direct Injection Fuel Rail RH. Removal and Installation
    10. Fuel Injectors. Removal and Installation
    11. Fuel Pump Driver Module (FPDM). Removal and Installation
    12. High-Pressure Fuel Pump. Removal and Installation
    13. High-Pressure Fuel Pump Drive Unit. Removal and Installation
    14. Port Injection Fuel Rail. Removal and Installation
    15. Throttle Body. Removal and Installation
  • Fuel Charging and Controls - Turbocharger - 3.5L EcoBoost (272kW/370PS)
    1. Turbocharger - System Operation and Component Description. Description and Operation
    2. Turbocharger - Component Location. Description and Operation
    3. Turbocharger. Diagnosis and Testing
    4. Turbocharger Controls. Diagnosis and Testing
    5. Turbocharger Coolant Return Tube LH. Removal and Installation
    6. Turbocharger Coolant Return Tube RH. Removal and Installation
    7. Turbocharger Coolant Supply Tube LH. Removal and Installation
    8. Turbocharger Coolant Supply Tube RH. Removal and Installation
    9. Turbocharger LH. Removal and Installation
    10. Turbocharger Oil Return Tube LH. Removal and Installation
    11. Turbocharger Oil Return Tube RH. Removal and Installation
    12. Turbocharger Oil Supply Tube LH. Removal and Installation
    13. Turbocharger Oil Supply Tube RH. Removal and Installation
    14. Turbocharger RH. Removal and Installation
    15. Wastegate Control Actuator LH. Removal and Installation
    16. Wastegate Control Actuator RH. Removal and Installation
  • Accessory Drive - 3.5L EcoBoost (272kW/370PS)
    1. Accessory Drive - Component Location. Description and Operation
    2. Accessory Drive. Diagnosis and Testing
    3. Accessory Drive Belt Tensioner. Removal and Installation
    4. Accessory Drive Belt. Removal and Installation
    5. Air Conditioning (A/C) Compressor Belt. Removal and Installation
  • Starting System - 3.5L EcoBoost (272kW/370PS)
    1. Specifications
    2. Starting System - Overview. Description and Operation
    3. Starting System - System Operation and Component Description. Description and Operation
    4. Starting System. Diagnosis and Testing
    5. Starter Amperage Draw Test. General Procedures
    6. Starter Motor Drive Gear and Flywheel Ring Gear Inspection. General Procedures
    7. Starter Motor. Removal and Installation
  • Engine Ignition - 3.5L EcoBoost (272kW/370PS)
    1. Specifications
    2. Engine Ignition - Component Location. Description and Operation
    3. Engine Ignition - System Operation and Component Description. Description and Operation
    4. Engine Ignition. Diagnosis and Testing
    5. Ignition Coil-On-Plug. Removal and Installation
    6. Spark Plugs. Removal and Installation
  • Engine Emission Control - 3.5L EcoBoost (272kW/370PS)
    1. Engine Emission Control - Component Location. Description and Operation
    2. Engine Emission Control - System Operation and Component Description. Description and Operation
    3. Crankcase Ventilation. Diagnosis and Testing
    4. Exhaust Gas Recirculation (EGR) System. Diagnosis and Testing
    5. Crankcase Ventilation Tube. Removal and Installation
    6. Differential Pressure Feedback Exhaust Gas Recirculation (EGR) Sensor. Removal and Installation
    7. Exhaust Gas Recirculation (EGR) Back Pressure Sensor. Removal and Installation
    8. Exhaust Gas Recirculation (EGR) Cooler. Removal and Installation
    9. Exhaust Gas Recirculation (EGR) Outlet Tube. Removal and Installation
    10. Exhaust Gas Recirculation (EGR) Temperature Sensor. Removal and Installation
    11. Exhaust Gas Recirculation (EGR) Valve. Removal and Installation
    12. Positive Crankcase Ventilation (PCV) Valve. Removal and Installation
  • Intake Air Distribution and Filtering - 3.5L EcoBoost (272kW/370PS)
    1. Intake Air Distribution and Filtering - Overview. Description and Operation
    2. Intake Air Distribution and Filtering - System Operation and Component Description. Description and Operation
    3. Intake Air Flow. Diagnosis and Testing
    4. Intake Air Pressure and Temperature. Diagnosis and Testing
    5. Charge Air Cooler (CAC) Cleaning. General Procedures
    6. Air Cleaner. Removal and Installation
    7. Air Cleaner Outlet Pipe. Removal and Installation
    8. Air Cleaner Outlet Pipe LH. Removal and Installation
    9. Air Cleaner Outlet Pipe RH. Removal and Installation
    10. Charge Air Cooler (CAC). Removal and Installation
    11. Charge Air Cooler (CAC) Intake Pipe. Removal and Installation
    12. Charge Air Cooler (CAC) Outlet Pipe. Removal and Installation
  • Evaporative Emissions - 3.5L EcoBoost (272kW/370PS)
    1. Evaporative Emissions - Overview. Description and Operation
    2. Evaporative Emissions - System Operation and Component Description. Description and Operation
    3. Evaporative Emissions. Diagnosis and Testing
    4. Evaporative Emission System Leak Test. General Procedures
    5. Evaporative Emission Blocking Valve. Removal and Installation
    6. Evaporative Emission Canister. Removal and Installation
    7. Evaporative Emission Canister Purge Valve. Removal and Installation
    8. Evaporative Emission Canister Vent Solenoid. Removal and Installation
    9. Evaporative Emission Canister Ventilation Filter. Removal and Installation
    10. Fuel Tank Pressure Sensor and Tube. Removal and Installation
  • Electronic Engine Controls - 3.5L EcoBoost (272kW/370PS)
    1. Specifications
    2. Electronic Engine Controls - Component Location. Description and Operation
    3. Electronic Engine Controls - Overview. Description and Operation
    4. Electronic Engine Controls - System Operation and Component Description. Description and Operation
    5. Crankshaft Position System. Diagnosis and Testing
    6. Electronic Engine Controls. Diagnosis and Testing
    7. Engine Starting Control System. Diagnosis and Testing
    8. Powertrain Control Module (PCM) Input and Output Controls. Diagnosis and Testing
    9. Variable Camshaft Timing (VCT) System. Diagnosis and Testing
    10. Camshaft Position (CMP) Sensor. Removal and Installation
    11. Catalyst Monitor Sensor. Removal and Installation
    12. Crankshaft Position (CKP) Sensor. Removal and Installation
    13. Cylinder Head Temperature (CHT) Sensor. Removal and Installation
    14. Engine Oil Pressure (EOP) Sensor. Removal and Installation
    15. Fuel Rail Pressure (FRP) Sensor. Removal and Installation
    16. Fuel Rail Pressure and Temperature Sensor. Removal and Installation
    17. Heated Oxygen Sensor (HO2S). Removal and Installation
    18. Intake Air Temperature (IAT) Sensor. Removal and Installation
    19. Knock Sensor (KS). Removal and Installation
    20. Manifold Absolute Pressure and Temperature (MAPT) Sensor. Removal and Installation
    21. Oil Pressure Control Solenoid. Removal and Installation
    22. Powertrain Control Module (PCM). Removal and Installation
    23. Turbocharger Boost Pressure (TCBP) and Charger Air Cooler Temperature (CACT) Sensor. Removal and Installation
    24. Turbocharger Bypass Valve. Removal and Installation
    25. Variable Camshaft Timing (VCT) Oil Control Solenoid. Removal and Installation

Steering Wheel Multifunction Switch. Removal and Installation

Removal NOTE: High series shown, others similar. Remove the driver airbag. Refer to: Driver Airbag (501-20B Supplemental Restraint System, Removal and Installation)...

Engine System - General Information

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Other information:

Lincoln Navigator 2018-2025 Workshop Manual: Cowl Panel. Removal and Installation


Removal NOTE: Removal steps in this procedure may contain installation details. Remove the cowl panel grille. Refer to: Cowl Panel Grille (501-02 Front End Body Panels, Removal and Installation). Remove the LH cowl panel. Remove the screw. Torque: 28 lb.in (3.2 Nm) Remove the push pins and the LH cowl panel. ..

Lincoln Navigator 2018-2025 Workshop Manual: Hood Latch Release Cable. Removal and Installation


Removal Remove the hood latch release handle. Refer to: Hood Latch Release Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). Remove the air cleaner. Refer to: Air Cleaner (303-12 Intake Air Distribution and Filtering - 3.5L EcoBoost (272kW/370PS), Removal and Installation). Remove the front bumper cove..

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  • Front Bumper Cover. Removal and Installation
  • Brake Service Mode Activation and Deactivation. General Procedures

Front Stabilizer Bar Link. Removal and Installation

Removal

NOTICE: Suspension fasteners are critical parts that affect the performance of vital components and systems. Failure of these fasteners may result in major service expense. Use the same or equivalent parts if replacement is necessary. Do not use a replacement part of lesser quality or substitute design. Tighten fasteners as specified.

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

With the vehicle in NEUTRAL, position it on a hoist.
Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation).

NOTICE: Do not use power tools to remove or install the stabilizer bar

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