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WSG-1068 COOLING SYSTEM
Coolant Flow is as follows:
The water pump (8501) circulates the coolant.
From the water pump to the engine block and
the cylinder heads (6049) to the thermostat.
– Thermostat closed, the coolant returns to the
water pump through bypass hose.
– Thermostat open, the coolant flows back to the
radiator.
– To the radiator for heat rejection then back to
the lower radiator hose.
– From the lower radiator hose (8286) to the
water pump.
Coolant:
Use a 50/50 mix of Ethylene Glycol Permanent
Antifreeze and water. This mixture is to be used
year round with temperatures above -30°F.
Recycled Coolant:
Use recycled engine coolant produced by Ford
approved processes. Not all coolant recycling
processes produce coolant which meets Ford
specification ESE-M97B44- A or WSS-M97B44-
D, and use of such a coolant may harm engine
and cooling system components.
Unsatisfactory Coolant Material:
Alcohol-type antifreeze does not provide
adequate water pump lubrication.
– Has a lower boiling point.
– Provides reduced antifreeze protection.
CAUTION: Alkaline brine solutions will cause
serious engine cooling system damage.
CAUTION: Do not use. 100,000 mile, red in
color antifreeze, it is not compatible with copper
radiators.
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