2002 JEEP LIBERTY check engine

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Page 1448 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual NOTE: Power steering pumps have different pres-
sure rates and are not interchangeable with other
pumps.
STANDARD PROCEDURE - POWER STEERING
PUMP - INITIAL OPERATION
WARNING: THE FLUID LEVEL SHOULD BE

Page 1449 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual (5) Remove the two nuts securing the wire loom
behind the pump bracket.
(6) Remove the three bolts securing the pump to
the bracket thru the holes in the pulley. (Fig. 4)
(7) Remove the pump from the

Page 1453 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual (3) Install the high pressure power steering hose
(Refer to 19 - STEERING/PUMP/HOSES - INSTAL-
LATION).
(4) Connect electrical connector to switch.
(5) Check power steering fluid and add as neces-
sar

Page 1454 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual RESERVOIR
REMOVAL
REMOVAL - 3.7L
(1) Remove the power steering pump. (Refer to 19
- STEERING/PUMP - REMOVAL).
(2) Secure the pump in a holding fixture.
(3) Remove the retaining clips by prying the loc

Page 1657 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual Pressure Diagnosis
Condition Possible Causes Correction
4. Faulty compressor. 4. See A/C Compressor in this group. Replace
the compressor, if required.
The low side pressure is
normal or slightly high

Page 1658 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual DIAGNOSIS AND TESTING - HEATER
PERFORMANCE
Before performing the following tests, refer to Cool-
ing for the procedures to check the radiator coolant
level, serpentine drive belt tension, radiator air

Page 1659 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual Use an adjustable vacuum test set (Special Tool
C-3707-B) and a suitable vacuum pump to test the
HVAC vacuum control system. With a finger placed
over the end of the vacuum test hose probe (Fig. 3),
a

Page 1664 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual A/C COMPRESSOR CLUTCH
DESCRIPTION - 3.7L and 2.4L
The compressor clutch assembly consists of a sta-
tionary electromagnetic coil, a rotor bearing and
rotor assembly, and a clutch plate (Fig. 1). The e