Engine 3.7L JEEP LIBERTY 2002 KJ / 1.G Owner's Manual

JEEP LIBERTY 2002 KJ / 1.G Owner's Manual LIBERTY 2002 KJ / 1.G JEEP JEEP https://www.carmanualsonline.info/img/16/7176/w960_7176-0.png JEEP LIBERTY 2002 KJ / 1.G Owner's Manual

Page 246 of 1803

JEEP LIBERTY 2002 KJ / 1.G Owners Manual CAUTION: Do not pry water pump at timing chain
case/cover. The machined surfaces may be dam-
aged resulting in leaks.
(11) Remove water pump and gasket. Discard gas-
ket.
CLEANING
Clean the gasket mat

Page 258 of 1803

JEEP LIBERTY 2002 KJ / 1.G Owners Manual CONDITION POSSIBLE CAUSES CORRECTION
FAN RUNS ALL THE TIME 1. Fan control sensors inoperative. 1. Check for DTCs. Verify sensor
readings.
2. Fan control solenoid stuck9on9. 2. Check fan operation spe

Page 268 of 1803

JEEP LIBERTY 2002 KJ / 1.G Owners Manual ENGINE COOLANT
TEMPERATURE SENSOR
DESCRIPTION
The Engine Coolant Temperature (ECT) sensor is
used to sense engine coolant temperature. The sensor
protrudes into an engine water jacket.
The ECT sensor

Page 269 of 1803

JEEP LIBERTY 2002 KJ / 1.G Owners Manual WARNING: HOT, PRESSURIZED COOLANT CAN
CAUSE INJURY BY SCALDING. COOLING SYSTEM
MUST BE PARTIALLY DRAINED BEFORE REMOV-
ING THE COOLANT TEMPERATURE SENSOR.
(1) Partially drain cooling system.
(2) Disco

Page 273 of 1803

JEEP LIBERTY 2002 KJ / 1.G Owners Manual RADIATOR FAN - ELECTRIC
DESCRIPTION
The fan (Fig. 11) is electrically controlled by the
powertrain control module (PCM) through the fan
control relay. This relay is located on the left wheel
house in

Page 274 of 1803

JEEP LIBERTY 2002 KJ / 1.G Owners Manual (5) Remove the two fan shroud mounting bolts con-
necting the fan shroud to the radiator (Fig. 13).
(6) Remove the shroud and fan from the vehicle.
INSTALLATION
NOTE: For 3.7L Heavy Duty/Max Cool/Trai

Page 288 of 1803

JEEP LIBERTY 2002 KJ / 1.G Owners Manual 3.7L ENGINE
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the retaining bolts from the engine cyl-
inder heads (Fig. 11).
(3) Remove the retaining nut from the plenum
(Fig. 12).
IN

Page 313 of 1803

JEEP LIBERTY 2002 KJ / 1.G Owners Manual ²Fuel injectors
²Ignition coil(s)
²Certain relays/solenoids
²Certain sensors
DESCRIPTION - SENSOR RETURN
The Sensor Return circuits are internal to the Pow-
ertrain Control Module (PCM).
Sensor Re

Page 346 of 1803

JEEP LIBERTY 2002 KJ / 1.G Owners Manual ²the voltmeter (if equipped) does not register
properly
²an undercharged or overcharged battery condi-
tion occurs.
Remember that an undercharged battery is often
caused by:
²accessories being left

Page 348 of 1803

JEEP LIBERTY 2002 KJ / 1.G Owners Manual GENERATOR
DESCRIPTION
The generator is belt-driven by the engine using a
serpentine type drive belt. It is serviced only as a
complete assembly. If the generator fails for any rea-
son, the entire ass