Lincoln Aviator 2020-2022 Service Manual / Powertrain / Engine / Engine Cooling - 3.0L EcoBoost / General Procedures - Engine Cooling System Flushing

Lincoln Aviator: Engine Cooling - 3.0L EcoBoost / General Procedures - Engine Cooling System Flushing

Materials

Name Specification
Motorcraft® Premium Cooling System Flush
VC-1
ESR-M14P7-A
 

Flushing

  WARNING: Always allow the engine to cool before opening the cooling system. Do not unscrew the coolant pressure relief cap when the engine is operating or the cooling system is hot. The cooling system is under pressure; steam and hot liquid can come out forcefully when the cap is loosened slightly. Failure to follow these instructions may result in serious personal injury.

NOTE: To remove rust, sludge and other foreign material from the cooling system, use cooling system flush that is safe for use with aluminum radiators. This cleaning restores cooling system efficiency and helps prevent overheating. A pulsating or reversed direction of flushing water will loosen sediment more quickly than a steady flow in the normal coolant flow direction. In severe cases where cleaning solvents will not clean the cooling system efficiently, it will be necessary to use the pressure flushing method using cooling system flusher. Dispose of old coolant and flushing water contaminated with antifreeze and cleaning chemicals in accordance with local, state or federal laws.

  1. Add Motorcraft® Premium Cooling System Flush to the cooling system and follow the directions on the package.
    Material: Motorcraft® Premium Cooling System Flush / VC-1 (ESR-M14P7-A)
  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 radiator.
    Refer to: Radiator (303-03A Engine Cooling - 3.0L EcoBoost, Removal and Installation).
  1. NOTICE: Radiator internal pressure must not exceed 138 kPa (20 psi). Damage to the radiator can result.

    Position the radiator upside down and with a high pressure hose in the lower radiator hose opening, backflush the radiator.
  1. Remove the thermostat.
    Refer to: Thermostat (303-03A Engine Cooling - 3.0L EcoBoost, Removal and Installation).
  1. Install the coolant inlet connection without the thermostat.
    Torque: 89 lb.in (10 Nm)
  1. Backflush the engine. Position the high-pressure water hose into the engine through the upper radiator hose and backflush the engine.
  1. Install the thermostat.
    Refer to: Thermostat (303-03A Engine Cooling - 3.0L EcoBoost, Removal and Installation).
  1. Install the radiator.
    Refer to: Radiator (303-03A Engine Cooling - 3.0L EcoBoost, 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).

    General Procedures - Engine Cooling System Draining, Vacuum Filling and Bleeding

    Special Tool(s) / General Equipment ROB75240Coolant/Battery Refractometer (Fahrenheit) Fluid Container Cooling System Vacuum Tester and Refiller Draining NOTICE: The coolant must be recovered in a suitable, clean container for reuse...

    Removal and Installation - Block Heater

    Removal NOTE: Removal steps in this procedure may contain installation details. Drain the cooling system. Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding (303-03A Engine Cooling - 3...

    Other information:

    Lincoln Aviator 2020-2022 Owners Manual: Vehicle Identification Number


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    Lincoln Aviator 2020-2022 Owners Manual: Engine Oil


    An oil that displays this symbol conforms to current engine, emission system and fuel economy performance standards of ILSAC. We recommend Motorcraft® motor oil for your vehicle. If Motorcraft® oil is not available, use motor oils of the recommended viscosity grade that meet API SP requirements and display the API Certification Mark for gasoline engines...

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    Passive Key

    Lincoln Aviator. Remote Control

    The passive key operates the power locks and the remote start system. The passive key must be in your vehicle to use the push button start.

    Note: You may not be able to shift out of park (P) unless the passive key is inside your vehicle.

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