2002 CHRYSLER CARAVAN sensor

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Page 263 of 2399

CHRYSLER CARAVAN 2002  Service Manual ENGINE
TABLE OF CONTENTS
page page
ENGINE
DIAGNOSIS AND TESTING - ENGINE
COOLING SYSTEM....................15
CLEANING............................19
INSPECTION..........................19
COOLANT
DIAG

Page 267 of 2399

CHRYSLER CARAVAN 2002  Service Manual CONDITION POSSIBLE CAUSES CORRECTION
COOLANT COLOR 1. Coolant color is not necessarily
an indication of adequate corrosion
or temperature protection. Do not
rely on coolant color for determining
condi

Page 270 of 2399

CHRYSLER CARAVAN 2002  Service Manual ENGINE BLOCK HEATER
DESCRIPTION
The engine block heater is available as an optional
accessory on all models. The heater is operated by
ordinary house current (110 Volt A.C.) through a
power cord locat

Page 271 of 2399

CHRYSLER CARAVAN 2002  Service Manual ENGINE COOLANT
TEMPERATURE SENSOR -
3.3/3.8L
DESCRIPTION
The engine coolant temperature sensor threads
into a coolant passage on lower intake manifold near
the thermostat (Fig. 6). New sensors have se

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CHRYSLER CARAVAN 2002  Service Manual (6) Fill cooling system. (Refer to 7 - COOLING -
STANDARD PROCEDURE)
ENGINE COOLANT
THERMOSTAT
DESCRIPTION
The engine cooling thermostats are a wax pellet
driven, reverse poppet choke type. The thermo

Page 279 of 2399

CHRYSLER CARAVAN 2002  Service Manual DIAGNOSIS AND TESTING - RADIATOR FAN
MOTOR
RADIATOR FAN DIAGNOSIS CHART
CONDITION POSSIBLE CAUSES CORRECTION
NOISY RADIATOR FAN 1. Fan blade loose. 1. Replace fan assembly. (Refer to
7 - COOLING/ENGIN

Page 291 of 2399

CHRYSLER CARAVAN 2002  Service Manual COOLING SYSTEM DIAGNOSIS-DIESEL ENGINE
CONDITION POSSIBLE CAUSES CORRECTION
TEMPERATURE GAUGE
READS LOW1. Diesel engines, due to their
inherent effiency are slower to warm
up than gasoline powered eng

Page 292 of 2399

CHRYSLER CARAVAN 2002  Service Manual CONDITION POSSIBLE CAUSES CORRECTION
6. Freeze point of antifreeze not
correct. Mixture may be too rich.6. Check antifreeze. Adjust
antifreeze-to-water ratio as
required.
7. Coolant not flowing throug