Chrysler neon 1997 Service Manual page 196

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GENERAL INFORMATION
ACCESSORY DRIVE BELTS
AUTOMATIC TRANSMISSION OIL COOLER
COOLANT RECOVERY SYSTEM (CRS) . . . . . . . 2
COOLANT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
COOLING SYSTEM PRESSURE CAP
COOLING SYSTEM . . . . . . . . . . . . . . . . . . . . . . 1
ENGINE BLOCK HEATER
ENGINE THERMOSTAT . . . . . . . . . . . . . . . . . . . 3
RADIATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
WATER PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . 3
DESCRIPTION AND OPERATION
COOLANT PERFORMANCE . . . . . . . . . . . . . . . . 4
COOLING SYSTEM PRESSURE CAP
ENGINE BLOCK HEATER
ENGINE THERMOSTAT . . . . . . . . . . . . . . . . . . . 3
RADIATOR HOSES AND CLAMPS . . . . . . . . . . . 5
WATER PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . 6
DIAGNOSIS AND TESTING
ACCESSORY DRIVE BELT DIAGNOSIS . . . . . . 13
COOLING SYSTEM DIAGNOSIS . . . . . . . . . . . . 7
COOLING SYSTEM FLOW CHECK
DEAERATION . . . . . . . . . . . . . . . . . . . . . . . . . 16
ELECTRIC FAN MOTOR TEST . . . . . . . . . . . . . 14
ENGINE THERMOSTAT TESTING
LOW COOLANT LEVEL AERATION
PRESSURE CAP TO FILLER NECK SEAL
PRESSURE RELIEF CHECK . . . . . . . . . . . . . 15
PRESSURE TESTING COOLING SYSTEM
PRESSURE CAP . . . . . . . . . . . . . . . . . . . . . . 15
RADIATOR FAN CONTROL . . . . . . . . . . . . . . . 14
TEMPERATURE GAUGE INDICATION . . . . . . . 16
TESTING COOLING SYSTEM FOR LEAKS
GENERAL INFORMATION
COOLING SYSTEM
The cooling system consists of an engine cooling
module, thermostat, coolant, a water pump to circu-
late the coolant. The engine cooling module may con-
sist of a radiator, electric fan motor, fan, shroud,
coolant reserve system, transmission oil cooler, hoses,
clamps, air condition condenser and transmission oil
lines.
COOLING
CONTENTS
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. . . 14
WATER PUMP DIAGNOSIS . . . . . . . . . . . . . . . 14
SERVICE PROCEDURES
ADDING ADDITIONAL COOLANT . . . . . . . . . . . 16
DRAINING COOLANT
REFILLING COOLING SYSTEM . . . . . . . . . . . . 17
ROUTINE COOLANT LEVEL CHECK . . . . . . . . 16
SERVICING COOLANT LEVEL . . . . . . . . . . . . . 16
REMOVAL AND INSTALLATION
ACCESSORY DRIVE BELTS
ENGINE BLOCK HEATER
ENGINE THERMOSTAT . . . . . . . . . . . . . . . . . . 18
RADIATOR DRAINCOCK . . . . . . . . . . . . . . . . . 20
RADIATOR FANS AND MOTOR . . . . . . . . . . . . 20
RADIATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
WATER PUMP INLET TUBE . . . . . . . . . . . . . . . 18
WATER PUMP . . . . . . . . . . . . . . . . . . . . . . . . . 17
CLEANING AND INSPECTION
ACCESSORY DRIVE BELT INSPECTION . . . . . 22
CHEMICAL CLEANING . . . . . . . . . . . . . . . . . . . 23
CLEANING COOLING SYSTEM . . . . . . . . . . . . 23
COOLING SYSTEM CAP . . . . . . . . . . . . . . . . . 22
RADIATOR FLUSHING . . . . . . . . . . . . . . . . . . . 23
REVERSE FLUSHING
WATER PUMP . . . . . . . . . . . . . . . . . . . . . . . . . 22
ADJUSTMENTS
BELT TENSION GAUGE METHOD . . . . . . . . . . 23
PROPER BELT TENSION . . . . . . . . . . . . . . . . . 23
SPECIFICATIONS
COOLING SYSTEM CAPACITY
TORQUE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
SPECIAL TOOLS
COOLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
• When the Engine is cold: The thermostat is
closed; the cooling system has no flow through the
radiator. The coolant flows through the engine,
heater system and bypass.
• When the Engine is warm: Thermostat is open;
the cooling system has flow through radiator, engine,
heater system and bypass.
COOLING
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