2002 JEEP LIBERTY Engine removal

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Page 1216 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual ENGINE - 3.7L
TABLE OF CONTENTS
page page
ENGINE - 3.7L
DESCRIPTION..........................3
DIAGNOSIS AND TESTING
DIAGNOSIS AND TESTING - ENGINE
DIAGNOSIS - INTRODUCTION............4
DIAGNOSIS AND

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JEEP LIBERTY 2002 KJ / 1.G Workshop Manual ENGINE BLOCK
DESCRIPTION.........................39
STANDARD PROCEDURE - CYLINDER BORE
HONING............................39
CLEANING............................39
INSPECTION..........................4

Page 1219 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual DIAGNOSIS AND TESTING
DIAGNOSIS AND TESTING - ENGINE
DIAGNOSIS - INTRODUCTION
Engine diagnosis is helpful in determining the
causes of malfunctions not detected and remedied by
routine maintenance.
Th

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JEEP LIBERTY 2002 KJ / 1.G Workshop Manual CONDITION POSSIBLE CAUSE CORRECTION
5. Incorrect cam timing. 5. (Refer to 9 - ENGINE/VALVE
TIMING - STANDARD
PROCEDURE).
1. ENGINE LOSS OF POWER 1. Dirty or incorrectly gapped spark
plugs.1. (Refer to

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JEEP LIBERTY 2002 KJ / 1.G Workshop Manual DIAGNOSIS AND TESTING - ENGINE DIAGNOSIS - LUBRICATION
CONDITION POSSIBLE CAUSES CORRECTION
OIL LEAKS 1. Gaskets and O-Rings. 1.
(a) Misaligned or damaged. (a) Replace as necessary.
(b) Loose fastener

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JEEP LIBERTY 2002 KJ / 1.G Workshop Manual CONDITION POSSIBLE CAUSES CORRECTION
OIL PUMPING AT RINGS; SPARK
PLUGS FOULING1. Worn or damaged rings. 1. Hone cylinder bores and replace
rings.
2. Carbon in oil ring slots. 2. Replace rings (Refer t

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JEEP LIBERTY 2002 KJ / 1.G Workshop Manual ²Tapping the hole with a special Heli-Coil Tap, or
equivalent.
²Installing an insert into the tapped hole to bring
the hole back to its original thread size.
STANDARD PROCEDURE - ENGINE CORE AND
OIL

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JEEP LIBERTY 2002 KJ / 1.G Workshop Manual NOTE: Recheck bolt torque for engine lift plate
before removing engine.
(30) Secure the left and right engine wiring har-
nesses away from engine.
(31) Raise vehicle.
(32) Disconnect oxygen sensor wir