Table of Contents
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CAUTION: Disconnect the negative battery cable before removing or installing any electrical unit or when a
tool or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable
will help prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless
otherwise noted.
Description and Operation ................................... 1D-2
General Description ............................................. 1D-2
Radiator .............................................................. 1D-2
Coolant Reservoir ................................................ 1D-2
Water Pump ........................................................ 1D-2
Thermostat .......................................................... 1D-2
Electric Cooling Fan ............................................. 1D-2
Engine Coolant Temperature Sensor ..................... 1D-3
Coolant Temperature Guage ................................. 1D-3
Component Locator ............................................. 1D-4
Gasoline Engine .................................................. 1D-4
Diesel Engine ...................................................... 1D-5
Diagnostic Information and Procedure ............... 1D-6
Cooling System Diagnosis ................................... 1D-6
System Leakage Test .......................................... 1D-7
Thermostat Test ................................................... 1D-7
Repair Instructions ................................................ 1D-8
On-Vehicle Service ................................................. 1D-8
Coolant Drain and Fill Up ...................................... 1D-8
Coolant Connection Fitting (M162 Engine) ........... 1D-11
SECTION 1D
ENGINE COOLING
TABLE OF CONTENTS
Water Pump (M162 Engine) ............................... 1D-13
Water Pump (M161 Engine) ............................... 1D-15
Water Pump (Diesel Engine) ............................... 1D-17
Oil Cooler Pipe Line (M162 Engine) .................... 1D-19
Thermostat (M162 Engine) ................................. 1D-20
Cooling Fan Shroud (Gasoline Engine) ................ 1D-31
Cooling Fan Shroud (Diesel Engine) .................... 1D-33
Radiator (Gasoline Engine) ................................. 1D-34
Radiator (Diesel Engine) .................................... 1D-36
Specifications ..................................................... 1D-38
General Specifications ....................................... 1D-38
Fastener Tightening Specifications ..................... 1D-39
Special Tools and Equipment ............................ 1D-40
Special Tools Table ............................................ 1D-40
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