Engine 3.7L JEEP LIBERTY 2002 KJ / 1.G User Guide

JEEP LIBERTY 2002 KJ / 1.G User Guide LIBERTY 2002 KJ / 1.G JEEP JEEP https://www.carmanualsonline.info/img/16/7176/w960_7176-0.png JEEP LIBERTY 2002 KJ / 1.G User Guide

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JEEP LIBERTY 2002 KJ / 1.G User Guide CAUTION: DO NOT LET TENSIONER ARM SNAP
BACK TO THE FREEARM POSITION, SEVERE DAM-
AGE MAY OCCUR TO THE TENSIONER.
Belt tension is not adjustable. Belt adjustment is
maintained by an automatic ( spring

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JEEP LIBERTY 2002 KJ / 1.G User Guide ENGINE
TABLE OF CONTENTS
page page
COOLANT RECOVERY PRESS CONTAINER
DESCRIPTION.........................19
OPERATION...........................19
ENGINE COOLANT TEMPERATURE SENSOR
DESCRIPTION.........

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JEEP LIBERTY 2002 KJ / 1.G User Guide The ECT sensor is a two-wire Negative Thermal
Coefficient (NTC) sensor. Meaning, as engine coolant
temperature increases, resistance (voltage) in the
sensor decreases. As temperature decreases, resis-

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JEEP LIBERTY 2002 KJ / 1.G User Guide INSTALLATION
(1) Apply thread sealant to sensor threads.
(2) Install sensor to engine.
(3) Tighten sensor to 11 N´m (8 ft. lbs.) torque.
(4) Replace any lost engine coolant.
ENGINE COOLANT
THERMOSTAT

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JEEP LIBERTY 2002 KJ / 1.G User Guide INSTALLATION - 3.7L ENGINE
(1) Clean mating areas of timing chain cover and
thermostat housing.
(2)
Install thermostat (spring side down) into
recessed machined groove on timing chain cover (Fig. 4).

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JEEP LIBERTY 2002 KJ / 1.G User Guide RADIATOR FAN - ELECTRIC
DESCRIPTION
The fan (Fig. 12) is electrically controlled by the
powertrain control module (PCM) through the fan
control relay. This relay is located on the left wheel
house in

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JEEP LIBERTY 2002 KJ / 1.G User Guide (5) Remove the two fan shroud mounting bolts con-
necting the fan shroud to the radiator (Fig. 14).
(6) Remove the shroud and fan from the vehicle.
INSTALLATION
NOTE: For 3.7L Heavy Duty/Max Cool/Trai

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JEEP LIBERTY 2002 KJ / 1.G User Guide Only when sufficient heat is present, will the vis-
cous fan drive engage. This is when the air flowing
through the radiator core causes a reaction to the
bimetallic coil. It then increases fan speed

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JEEP LIBERTY 2002 KJ / 1.G User Guide CAUTION: Do not remove water pump pulley-to-wa-
ter pump bolts. This pulley is under belt tension.
(8) Remove four bolts securing fan blade assembly
to viscous fan drive.
CLEANING
Clean the fan blades

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JEEP LIBERTY 2002 KJ / 1.G User Guide through the radiator. The thermostat uses a stub
shaft located at the rear of the thermostat to control
flow through the bypass gallery.
OPERATION - WATER PUMP
A centrifugal water pump circulates cool
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