Lincoln Aviator 2020-2022 Service Manual / Powertrain / Engine / Engine - 3.0L EcoBoost / Removal and Installation - Cylinder Head LH

Lincoln Aviator: Engine - 3.0L EcoBoost / Removal and Installation - Cylinder Head LH

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.

  1. With the vehicle in NEUTRAL, position it on a hoist.
    Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation).
  1. Release the fuel system pressure.
    Refer to: Fuel System Pressure Release (310-00A Fuel System - General Information - 3.0L EcoBoost, General Procedures).
  1. Disconnect the battery ground cable.
    Refer to: Battery Disconnect and Connect (414-01 Battery, Mounting and Cables, General Procedures).
  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 following items:
    1. Refer to: Camshaft LH (303-01A Engine - 3.0L EcoBoost, Removal and Installation).
    2. LH side.
      Refer to: Cylinder Head to Coolant Outlet Connector Hose Assembly (303-03A Engine Cooling - 3.0L EcoBoost, Removal and Installation).
    • Loosen the fuel rail-to-fuel rail high-pressure fuel tube flare nuts.
    • Remove and discard the high-pressure fuel tube.
    • Remove and discard the cylinder head bolts.
    • Remove the cylinder head.
  1. Remove and discard the cylinder head gasket.
    • Clean and inspect the cylinder head-to-cylinder block mating surfaces of both the cylinder head and the cylinder block.
    • Refer to: Cylinder Head Distortion (303-00 Engine System - General Information, General Procedures).
    • Refer to: Cylinder Block Distortion (303-00 Engine System - General Information, General Procedures).

Installation

  1. Install a new cylinder head gasket.
    • Install the cylinder head.
    • Install new cylinder head bolts.
      Torque:
        Stage 1:  177 lb.in (20 Nm)
        Stage 2:  Loosen: 2 turn(s)
        Stage 3:  37 lb.ft (50 Nm)
        Stage 4:  180°
  1. NOTE: Make sure that a new component is installed.


    Install a new fuel rail-to-fuel rail high-pressure fuel tube and finger tighten the flare nuts.
    • Final tighten the flare nuts.
      Torque:
        Stage 1:  62 lb.in (7 Nm)
        Stage 2:  89 lb.in (10 Nm)
        Stage 3:  25°
  1. Install the following items:
    1. LH side.
      Refer to: Cylinder Head to Coolant Outlet Connector Hose Assembly (303-03A Engine Cooling - 3.0L EcoBoost, Removal and Installation).
    2. Refer to: Camshaft LH (303-01A Engine - 3.0L EcoBoost, Removal and Installation).
  1. Connect the battery ground cable.
    Refer to: Battery Disconnect and Connect (414-01 Battery, Mounting and Cables, General Procedures).
  1. Pressurize the fuel system.
    Refer to: Fuel System Pressure Release (310-00A Fuel System - General Information - 3.0L EcoBoost, General Procedures).
  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).
  1. Use the Powertrain Control Module (PCM) Misfire Monitor Profile Correction routine in the diagnostic scan tool.

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    Engine - 3.0L EcoBoost

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