2002 JEEP LIBERTY AIR INTAKE

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Page 1253 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual VALVE GUIDE SEALS
DESCRIPTION
The valve guide seals are made of rubber and
incorporate an integral steel valve spring seat. The
integral garter spring maintains consistent lubrica-
tion control to the

Page 1283 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual INTAKE MANIFOLD
DESCRIPTION
The intake manifold (Fig. 86) is made of a compos-
ite material and features 300 mm (11.811 in.) long
runners which maximizes low end torque. The intake
manifold uses singl

Page 1284 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual (11) Bleed fuel system. Refer to FUEL SYSTEM.
(12) Remove fuel rail.
(13) Remove throttle body assembly and mounting
bracket.
(14) Drain cooling system below coolant tempera-
ture level. Refer to COOL

Page 1298 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual ENGINE
TABLE OF CONTENTS
page page
ENGINE - 2.4L
DESCRIPTION..........................3
DIAGNOSIS AND TESTING
DIAGNOSIS AND TESTING - CYLINDER
COMBUSTION PRESSURE LEAKAGE
TEST.........................

Page 1300 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual ENGINE - 2.4L
DESCRIPTION
The 2.4 Liter (148 cu. in.) in-line four cylinder
engine is a double over head camshaft with hydraulic
lifters and four valve per cylinder design. The engine
is free-wheeling

Page 1303 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual CONDITION POSSIBLE CAUSE CORRECTION
ENGINE STALLS OR IDLES
ROUGH1. Idle speed too low. 1. Test minimum air flow. (Refer to
Appropriate Diagnostic Information)
2. Incorrect fuel mixture. 2. (Refer to A

Page 1307 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual (1) Inspect air cleaner, induction system and
intake manifold to insure system is dry and clear of
foreign material.
(2) Remove negative battery cable.
(3) Place a shop towel around the spark plugs
wh

Page 1309 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual NOTE: Plastigage is available in a variety of clear-
ance ranges. Use the most appropriate range for
the specifications you are checking.
(4) Install the proper crankshaft bearings to
achieve the spec