Lubrication JEEP GRAND CHEROKEE 2002 WJ / 2.G Owner's Guide

JEEP GRAND CHEROKEE 2002 WJ / 2.G Owner's Guide GRAND CHEROKEE 2002 WJ / 2.G JEEP JEEP https://www.carmanualsonline.info/img/16/7175/w960_7175-0.png JEEP GRAND CHEROKEE 2002 WJ / 2.G Owner's Guide

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Owners Guide CRANKSHAFT OIL SEAL -
REAR
REMOVAL
The crankshaft rear main bearing oil seal consists
of two half pieces of viton with a single lip that effec-
tively seals the rear of the crankshaft. Replace the
upp

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Owners Guide PISTON SIZE CHART
CYLINDER BORE SIZE PISTON LETTER SIZE
98.438 - 98.448 mm
(3.8755 - 3.8759 in.)A
98.448 - 98.458 mm
(3.8759 - 3.8763 in.)B
98.458 - 98.468 mm
(3.8763 - 3.8767 in.)C
98.468 - 98.478 mm

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Owners Guide (12) Install the oil pan and gasket (Refer to 9 -
ENGINE/LUBRICATION/OIL PAN - INSTALLA-
TION).
(13) Lower the vehicle.
(14) Install the engine cylinder head (Refer to 9 -
ENGINE/CYLINDER HEAD - INSTA

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Owners Guide NOTE: Before the engine or the transmission can
be removed the engine bending braces must be
removed.
(1) Raise and support vehicle.
NOTE: Both left and right side bending braces are
removed the samew

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Owners Guide crankshaft is drilled internally to pass oil from the
main bearing journals (except number 4 main bear-
ing journal) to the connecting rod journals. Each con-
necting rod bearing cap has a small squir

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Owners Guide Fig. 73 Oil Lubrication SystemÐ4.0L Engine
1 - CAM/CRANK MAIN GALLERY (7)
2 - TAPPET GALLERY
3 - TAPPET GALLERY
4 - CAMSHAFT BEARING5 - NUMBER 1 CAMSHFT BEARING JOURNAL
6 - CAMSHAFT SPROCKET
7 - TAPP

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Owners Guide (5) If the leak is not detected, very slowly turn the
crankshaft and watch for leakage. If a leak is
detected between the crankshaft and seal while
slowly turning the crankshaft, it is possible the
cr

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Owners Guide ENGINE - 4.7L
TABLE OF CONTENTS
page page
ENGINE - 4.7L
DESCRIPTIONÐ4.7L ENGINE.............63
DIAGNOSIS AND TESTING
DIAGNOSIS AND TESTING - ENGINE
DIAGNOSIS - INTRODUCTION...........64
DIAGNOSIS AND

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Owners Guide ROCKER ARM / ADJUSTER ASSEMBLY
DESCRIPTION........................107
REMOVAL............................107
INSTALLATION........................107
VALVE SPRINGS
DESCRIPTION........................10

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Owners Guide CONDITION POSSIBLE CAUSE CORRECTION
1. ENGINE MISSES ON
ACCELERATION1. Spark plugs dirty or incorrectly
gapped.1. (Refer to 8 - ELECTRICAL/
IGNITION CONTROL/SPARK PLUG -
CLEANING).
2. Dirt in fuel sys