Lincoln Aviator: Engine Cooling - 3.0L EcoBoost / Removal and Installation - Degas Bottle
Special Tool(s) /
General Equipment
Fluid Suction Gun |
Hose Clamp Remover/Installer |
Locking Pliers |
Removal
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:
Removal steps in this procedure may contain installation details.
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WARNING:
When releasing the cooling system pressure, cover the coolant expansion tank cap with a thick cloth.
Release the cooling system pressure by slowly turning
the degas bottle cap between 2 and 3 turns and remove the degas bottle
cap.
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Using general tools clamp the lower expansion tank hose and syphon the engine coolant from the expansion tank.
Use the General Equipment: Fluid Suction Gun
Use the General Equipment: Locking Pliers
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Remove the bolt and position the degas bottle.
Torque:
44 lb.in (5 Nm)
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Detach the electrical wiring harness retainer and the coolant hose retainer.
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Release the clamps and disconnect the coolant hoses.
Use the General Equipment: Hose Clamp Remover/Installer
Installation
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To install, reverse the removal procedure.
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Fill the degas bottle with the recommended coolant mixture and fill level.
Refer to: Specifications (303-03A Engine Cooling - 3.0L EcoBoost, Specifications).
Special Tool(s) /
General Equipment
Hose Clamp Remover/Installer
Removal
NOTE:
Removal steps in this procedure may contain installation details...
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Remove the cooling module.
Refer to: Cooling Module (303-03A Engine Cooling - 3...
Other information:
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Remove the rear door trim panel.
Refer to: Rear Door Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation).
Remove the screws and the front door tweeter speaker...
System Operation
Engine coolant flows primarily from the engine to the radiator circuit
and back to the coolant pump. Coolant is sent from the coolant pump
through the engine block and cylinder heads. A separate circuit from the
engine also feeds the heater core and turbochargers with coolant...