2002 JEEP LIBERTY Workshop Manual

Page 1297 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual (20) After installing all chains, it is recommended
that the idler gear end play be checked (Fig. 112).
The end play must be within 0.10±0.25 mm (0.004±
0.010 in.). If not within specification, the

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 1299 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual CRANKSHAFT
DESCRIPTION.........................32
OPERATION...........................33
STANDARD PROCEDURE - CRANKSHAFT
ENDPLAY ...........................33
REMOVAL.............................33
IN

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 1301 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual (7) Crank engine until maximum pressure is
reached on gage. Record this pressure as #1 cylinder
pressure.
(8) Repeat the previous step for all remaining cyl-
inders.
(9) Compression should not be less

Page 1302 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual crankshaft seal surface is damaged. The seal area on
the crankshaft could have minor nicks or scratches
that can be polished out with emery cloth.
CAUTION: Use extreme caution when crankshaft
polishin

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 1304 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual DIAGNOSIS AND TESTING - ENGINE MECHANICAL
CONDITION POSSIBLE CAUSES CORRECTION
NOISY VALVES 1. High or low oil level in
crankcase.1. Check and correct engine oil
level.
2. Thin or diluted oil. 2. Chan