COOLING SYSTEM
TABLE OF CONTENTS
page page
DESCRIPTION AND OPERATION
COOLING SYSTEM ........................2
COOLANT ...............................3
COOLANT PERFORMANCE..................3
ENGINE THERMOSTAT .....................3
WATER PUMP ...........................4
RADIATOR ..............................4
COOLING SYSTEM FAN ....................5
HOSE CLAMPS...........................5
COOLANT BOTTLE ........................6
COOLANT PRESSURE BOTTLE CAP ..........7
ENGINE BLOCK HEATER ...................7
ACCESSORY DRIVE BELTS .................7
AUTOMATIC TRANSMISSION OIL COOLER.....8
ENGINE OIL COOLER—2.7L ................8
ENGINE OIL COOLER—3.2/3.5L ............10
DIAGNOSIS AND TESTING
COOLING SYSTEM DIAGNOSIS .............11
ENGINE THERMOSTAT ....................14
WATER PUMP DIAGNOSIS ................15
RADIATOR FAN CONTROL .................15
RADIATOR COOLANT FLOW ...............16
ELECTRIC FAN MOTOR ...................16
COOLANT CONCENTRATION TESTING........16
TESTING SYSTEM FOR LEAKS .............17
LOW COOLANT LEVEL....................17
DEAERATION ...........................17
ACCESSORY DRIVE BELT DIAGNOSIS........18
ENGINE BLOCK HEATER ..................18
SERVICE PROCEDURES
COOLANT SERVICE ......................18
COOLANT LEVEL CHECK ..................18
COOLANT—ADDING ADDITIONAL...........18
COOLING SYSTEM—DRAINING.............19
COOLING SYSTEM—FILLING ..............19
REMOVAL AND INSTALLATION
WATER PUMP—2.7L .....................21
WATER PUMP—3.2/3.5L ..................22
WATER OUTLET CONNECTOR—2.7L.........23
HEATER SUPPLY TUBE—2.7L ..............24
HEATER SUPPLY TUBE—3.2/3.5L ...........24
THERMOSTAT—2.7L .....................25
THERMOSTAT—3.2/3.5L ..................26
RADIATOR .............................26
RADIATOR DRAINCOCK ...................27
COOLING FAN MODULE...................28
TRANSMISSION OIL COOLER—EXTERNAL ...28
TRANSMISSION OIL COOLER LINES.........28
ENGINE OIL COOLER—2.7L ENGINE.........29
ENGINE OIL COOLER—3.2/3.5L ENGINE .....31
ENGINE BLOCK HEATER ..................32
ACCESSORY DRIVE BELTS—2.7L ...........32
ACCESSORY DRIVE BELTS—3.2/3.5L ........34
CLEANING AND INSPECTION
WATER PUMP ..........................35
ACCESSORY DRIVE BELTS ................35
COOLANT BOTTLE PRESSURE CAP .........36
RADIATOR .............................37
COOLING SYSTEM CLEANING/FLUSHING.....37
TRANSMISSION OIL COOLER ..............37
ADJUSTMENTS
BELT TENSION ..........................37
SPECIFICATIONS
COOLING SYSTEM CAPACITY ..............38
TORQUE ...............................38
SPECIAL TOOLS
COOLING ..............................38
LH COOLING SYSTEM 7 - 1
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