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1975 Datsun 280z FSM - Spooled up Racing

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Cooling System<br />

COOLING SYSTEM<br />

CONTENTS<br />

DESCRIPTION<br />

COOLANT LEVEL<br />

DRAINING AND FLUSHING THE<br />

COOLING SYSTEM<br />

WATER PUMP<br />

REMOVAL AND INSTALLATION<br />

DISASSEMBLY<br />

INSPECTION AND ADJUSTMENT<br />

CO-2<br />

CO-3<br />

CO-3<br />

CO-3<br />

CO-3<br />

CO-3<br />

CO-3<br />

TEM-COUPLING<br />

INSPECTION<br />

THERMOSTAT<br />

REMOVAL AND INSTALLATION<br />

INSPECTION<br />

RADIATOR<br />

REMOVAL AND INSTALLATION<br />

INSPECTION<br />

CO-4<br />

CO-5<br />

CO-5<br />

CO-5<br />

CO-5<br />

CO-5<br />

CO-6<br />

CO-6<br />

DESCRIPTION<br />

The cooling system is of the conventional<br />

pressure type. A centrifugal<br />

pump built in the front cover of the<br />

engine serves to circulate the coolant.<br />

The pressure type radiator filler cap<br />

installed on the radiator operates the<br />

cooling system at higher than atmospheric<br />

pressure. The higher pressure<br />

raises the boiling point of the coolant<br />

and increases the cooling efficiency of<br />

the radiator. When the thermostat is<br />

closed, the coolant remains in the<br />

cylinder head and block for swift<br />

warming <strong>up</strong> of the engine. After it<br />

reaches the normal operating temperature,<br />

the coolant circulates through<br />

the radiator.<br />

CO027<br />

Fig. CO-1 Cooling system<br />

CO-2

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