Power Stroke 6.0L – Coolant Recovery Bottle

The coolant recovery bottle is located above the left valve cover.

One of the ports on the bottle is attached to the EGR cooler deaeration port. If this port or hose is blocked, damage could occur to the EGR cooler.

15. July 2019 by samuel07042012
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Power Stroke 6.0L – Glow Plug Sleeve

Glow plug sleeves are used to keep coolant from coming in direct contact with the glow plugs and to seal coolant from the combustion chamber.
The glow plug sleeve is replaceable. See unique service procedures or the service manual for more details.

15. July 2019 by samuel07042012
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Power Stroke 6.0L – Injector Sleeve

The 6.0L Power Stroke uses stainless steel injector sleeves to seal coolant from the injector and to transfer heat from the injector to the coolant.
The injector sleeve is replaceable. See unique service procedures or service manual for more details.

15. July 2019 by samuel07042012
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Power Stroke 6.0L – Water Pump & Front Cover

The water pump, (hub and impeller) is mounted into the front cover which is the housing for the water pump.
The water pump impeller pulls coolant from the center of the housing and pushes it outward.
The water pump has a built in reservoir to catch small amounts coolant that during normal operation of the engine may seep past the seal.
Note: The water pump impeller may be damaged if dropped or hit by a hard object.

15. July 2019 by samuel07042012
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Power Stroke 6.0L – Cooling System Flow: EGR Cooler

Coolant flows out of the filter base and into the EGR cooler through a tube that directs the coolant to the back of the EGR cooler.
Coolant flows through the EGR cooler and removes heat from the exhaust gasses before the exhaust arrives at the EGR valve.
Coolant exits the front of the EGR cooler and enters the coolant passage of the intake manifold. The intake manifold directs the coolant back into the front cover.

15. July 2019 by samuel07042012
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Power Stroke 6.0L – Cooling System Flow: Oil Cooler

Coolant is directed out of the crankcase and into the oil filter base at the front of the engine.

The oil filter base routes the coolant into the front of the oil cooler then toward the back of the engine.

Once the coolant has passed through the oil cooler it is directed out of the oil filter base to the EGR cooler.

Note: There are weep holes in the oil filter base that allow coolant or oil to seep out side of the filter base if an oil cooler seal is damaged.

15. July 2019 by samuel07042012
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Power Stroke 6.0L – Cooling System Flow: Back of Front Cover

Coolant is sealed via a silicon in metal one piece gasket and is directed out of the front cover through three (3) passages.
Two of the passages route coolant to the crankcase to cool the cylinder walls and cylinder heads.
The third passage routes coolant to the oil cooler via a passage in the crankcase.
There are two passages for coolant to return from the crankcase into the front cover.

15. July 2019 by samuel07042012
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Power Stroke 6.0L – Cooling System Flow: Front Cover

Coolant is drawn into the inlet of the front cover and then flows from the water pump through the front cover to the crankcase.

Coolant is also routed from the front cover into the crankcase to a passage that feeds the oil cooler.

Return coolant is directed to the thermostat by the front cover. If the thermostat is open, coolant flows to the radiator to be cooled. If the thermostat is closed, coolant is returned to the water pump via a bypass circuit in the front cover.

15. July 2019 by samuel07042012
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Power Stroke 6.0L – Cooling System Features

The modular water pump can be serviced without disconnecting radiator hoses.

Both the glow plug sleeves and the injector sleeves are stainless steel.

Cooling System Flow

15. July 2019 by samuel07042012
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Power Stroke 6.0L – Normal Heat Treatment Discoloration

The bearing surfaces on the crankshaft are induction hardened.

During the hardening process the surrounding areas of the crankshaft discolor.

This condition is normal.

15. July 2019 by samuel07042012
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