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CS
COOLING
DESCRIPTION
DESCRIPTION - COOLING SYSTEM
DESCRIPTION - HOSE CLAMPS
OPERATION - COOLING SYSTEM
DIAGNOSIS AND TESTING
DIAGNOSIS AND TESTING - COOLING
SYSTEM LEAK TEST . . . . . . . . . . . . . . . . . . . . 2
DIAGNOSIS AND TESTING - COOLING
SYSTEM FLOW CHECK . . . . . . . . . . . . . . . . . 2
DIAGNOSIS AND TESTING - COOLING
SYSTEM AERATION . . . . . . . . . . . . . . . . . . . . 2
DIAGNOSIS AND TESTING - COOLING
SYSTEM DEAERATION . . . . . . . . . . . . . . . . . . 3
STANDARD PROCEDURE
STANDARD PROCEDURE - COOLING
SYSTEM DRAINING . . . . . . . . . . . . . . . . . . . . 3
COOLING
DESCRIPTION
DESCRIPTION - COOLING SYSTEM
The cooling system components consist of a radia-
tor, electric fan motors, shroud, pressure cap, thermo-
stat, transmission oil cooler, water pump, hoses,
clamps, coolant, and a coolant pressure container to
complete the circuit.
DESCRIPTION - HOSE CLAMPS
The cooling system uses spring type hose clamps.
If a spring type clamp replacement is necessary,
replace with the original Mopar
type clamp.
CAUTION: A number or letter is stamped into the
tongue of constant tension clamps. If replacement
is necessary, use only a original equipment clamp
with matching number or letter (Fig. 1).
OPERATION - COOLING SYSTEM
The engine cooling systems primary purpose is to
maintain engine temperature in a range that will
provide satisfactory engine performance and emission
levels under all expected driving conditions. It also
provides hot water (coolant) for heater performance
and cooling for automatic transmission oil. It does
COOLING
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SPECIFICATIONS
SPECIAL TOOLS
ACCESSORY DRIVE
ENGINE
TRANSMISSION
equipment spring
1 - SPRING CLAMP SIZE LOCATION
this by transferring heat from engine metal to cool-
ant, moving this heated coolant to the radiator, and
then transferring this heat to the ambient air.
• When engine is cold: thermostat is closed, cool-
ing system has no flow through the radiator. The
coolant bypass flows through the engine only.
• When engine is warm: thermostat is open, cool-
ing system has bypass flow and coolant flow through
radiator.
STANDARD PROCEDURE - COOLING
SYSTEM FILLING . . . . . . . . . . . . . . . . . . . . . . 3
STANDARD PROCEDURE - ADDING
ADDITIONAL COOLANT . . . . . . . . . . . . . . . . . 3
STANDARD PROCEDURE - COOLANT
LEVEL CHECK . . . . . . . . . . . . . . . . . . . . . . . . 3
TORQUE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
COOLING SYSTEM
. . . . . . . . . . . . . . . . . . . . . 4
. . . . . . . . . . . . . . . . . . . . . . . 5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
. . . . . . . . . . . . . . . . . . . . . . . . . 27
Fig. 1 Spring Clamp Size Location
COOLING 7 - 1
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