2002 JEEP LIBERTY Workshop Manual

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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

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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

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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

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JEEP LIBERTY 2002 KJ / 1.G Workshop Manual Fig. 4
24 - 8 HEATING & AIR CONDITIONINGKJ
HEATING & AIR CONDITIONING (Continued)

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JEEP LIBERTY 2002 KJ / 1.G Workshop Manual (5) Connect the test set hose or probe to the open
end of the leaking circuit. The test set gauge should
return to the 27 kPa (8 in. Hg.) setting shortly after
each connection is made. If OK, replace

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JEEP LIBERTY 2002 KJ / 1.G Workshop Manual SPECIFICATIONS
TORQUE SPECIFICATIONS
DESCRIPTION N´m Ft. Lbs. In. Lbs.
A/C COMPRESSOR CLUTCH PLATE NUT 14.4 10.5 127.4
A/C COMPRESOR LINE MANIFOLD FASTENER 28 ( 6) 21 ( 4) 250 ( 50)
A/C COMPRESSOR

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JEEP LIBERTY 2002 KJ / 1.G Workshop Manual CONTROLS
TABLE OF CONTENTS
page page
A/C COMPRESSOR CLUTCH
DESCRIPTION - 3.7L and 2.4L.............12
OPERATION - 3.7L and 2.4L...............12
DIAGNOSIS AND TESTING - A/C
COMPRESSOR CLUTCH COIL.....

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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