Dodge Durango (DN). Manual — part 417
Fig. 20 Frame Rail
Fig. 21 Left Front Door
DN
8W - 95 SPLICE LOCATIONS
8W - 95 - 13
DESCRIPTION AND OPERATION (Continued)
Fig. 22 Liftgate
8W - 95 - 14
8W - 95 SPLICE LOCATIONS
DN
DESCRIPTION AND OPERATION (Continued)
ENGINE
TABLE OF CONTENTS
page
page
4.7L ENGINE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
5.2L ENGINE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
5.9L ENGINE. . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
4.7L ENGINE
TABLE OF CONTENTS
page
page
DESCRIPTION AND OPERATION
ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
ENGINE LUBRICATION SYSTEM . . . . . . . . . . . . . . 3
CYLINDER BLOCK. . . . . . . . . . . . . . . . . . . . . . . . . 5
CRANKSHAFT . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
PISTON AND CONNECTING ROD . . . . . . . . . . . . . 5
CYLINDER HEAD. . . . . . . . . . . . . . . . . . . . . . . . . . 5
VALVE GUIDES . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
VALVES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
VALVE STEM SEAL . . . . . . . . . . . . . . . . . . . . . . . . 5
VALVE SPRING . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
HYDRAULIC LASH ADJUSTER . . . . . . . . . . . . . . . 6
TIMING DRIVE SYSTEM . . . . . . . . . . . . . . . . . . . . 6
CAMSHAFT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
ROCKER ARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
CYLINDER HEAD COVER . . . . . . . . . . . . . . . . . . . 6
OIL PAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
STRUCTURAL DUST COVER . . . . . . . . . . . . . . . . 7
INTAKE MANIFOLD . . . . . . . . . . . . . . . . . . . . . . . . 7
EXHAUST MANIFOLD . . . . . . . . . . . . . . . . . . . . . . 7
DIAGNOSIS AND TESTING
ENGINE DIAGNOSIS—INTRODUCTION. . . . . . . . . 7
SERVICE DIAGNOSIS—PERFORMANCE . . . . . . . 8
SERVICE DIAGNOSIS—MECHANICAL. . . . . . . . . 10
SERVICE DIAGNOSIS—LUBRICATION. . . . . . . . . 11
INTAKE MANIFOLD LEAKAGE DIAGNOSIS . . . . . 11
CYLINDER COMPRESSION PRESSURE TEST . . 11
CYLINDER HEAD GASKET FAILURE
DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
LEAKAGE TEST . . . . . . . . . . . . . . . . . . . . . . . . 12
ENGINE OIL LEAK INSPECTION . . . . . . . . . . . . . 13
REAR SEAL AREA LEAKS—INSPECTION . . . . . . 14
HYDRAULIC LASH ADJUSTER NOISE
DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
CHECKING ENGINE OIL PRESSURE. . . . . . . . . . 15
SERVICE PROCEDURES
FORM-IN-PLACE GASKETS. . . . . . . . . . . . . . . . . 15
ENGINE OIL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
REPAIR DAMAGED OR WORN THREADS . . . . . . 17
CYLINDER BORE—HONING . . . . . . . . . . . . . . . . 18
HYDROSTATIC LOCK . . . . . . . . . . . . . . . . . . . . . 18
VALVE SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . 19
ENGINE TIMING—VERIFICATION . . . . . . . . . . . . 19
TIMING CHAIN—MEASURING WEAR . . . . . . . . . 22
PISTONS—FITTING . . . . . . . . . . . . . . . . . . . . . . . 22
PISTON RINGS—FITTING . . . . . . . . . . . . . . . . . . 24
CONNECTING ROD BEARINGS—FITTING . . . . . 25
CRANKSHAFT MAIN BEARINGS . . . . . . . . . . . . . 27
REMOVAL AND INSTALLATION
ENGINE MOUNTS—LEFT AND RIGHT. . . . . . . . . 28
ENGINE MOUNT—REAR . . . . . . . . . . . . . . . . . . . 29
STRUCTURAL COVER. . . . . . . . . . . . . . . . . . . . . 30
ENGINE ASSEMBLY. . . . . . . . . . . . . . . . . . . . . . . 31
INTAKE MANIFOLD . . . . . . . . . . . . . . . . . . . . . . . 35
EXHAUST MANIFOLDS . . . . . . . . . . . . . . . . . . . . 36
CYLINDER HEAD COVER . . . . . . . . . . . . . . . . . . 38
ROCKER ARMS . . . . . . . . . . . . . . . . . . . . . . . . . . 40
CYLINDER HEADS. . . . . . . . . . . . . . . . . . . . . . . . 41
VALVE SPRINGS AND SEALS . . . . . . . . . . . . . . . 46
HYDRAULIC LASH ADJUSTER . . . . . . . . . . . . . . 46
CRANKSHAFT DAMPER . . . . . . . . . . . . . . . . . . . 47
TIMING CHAIN COVER . . . . . . . . . . . . . . . . . . . . 48
TIMING CHAIN AND SPROCKETS . . . . . . . . . . . . 49
IDLER SHAFT—TIMING DRIVE . . . . . . . . . . . . . . 55
CAMSHAFTS—IN VEHICLE . . . . . . . . . . . . . . . . . 56
CRANKSHAFT MAIN BEARINGS . . . . . . . . . . . . . 61
OIL PAN 4X2 VEHICLE. . . . . . . . . . . . . . . . . . . . . 61
OIL PAN 4X4 VEHICLE. . . . . . . . . . . . . . . . . . . . . 64
PISTON AND CONNECTING ROD . . . . . . . . . . . . 65
CRANKSHAFT . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
FLEXPLATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
DN
ENGINE
9 - 1
OIL PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
ENGINE OIL PRESSURE SENDING UNIT . . . . . . 70
CRANKSHAFT OIL SEAL—FRONT. . . . . . . . . . . . 70
CRANKSHAFT OIL SEAL—REAR . . . . . . . . . . . . . 73
ENGINE CORE PLUGS . . . . . . . . . . . . . . . . . . . . 74
DISASSEMBLY AND ASSEMBLY
OIL PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
CLEANING AND INSPECTION
CYLINDER HEADS. . . . . . . . . . . . . . . . . . . . . . . . 75
PISTON AND CONNECTING ROD . . . . . . . . . . . . 76
OIL PAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
OIL PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
CYLINDER BLOCK. . . . . . . . . . . . . . . . . . . . . . . . 76
SPECIFICATIONS
4.7L ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
TORQUE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
SPECIAL TOOLS
4.7L ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
DESCRIPTION AND OPERATION
ENGINE
DESCRIPTION
The 4.7 liter (287 CID) eight-cylinder engine is an
90° single overhead camshaft engine. The cast iron
cylinder block is made up of two different compo-
nents; the first component is the cylinder bore and
upper block, the second component is the bedplate
that comprises the lower portion of the cylinder block
and houses the lower half of the crankshaft main
bearings. The cylinders are numbered from front to
rear with the left bank being numbered 1,3,5 and 7,
and the right bank being numbered 2,4,6 and 8. The
9 - 2
4.7L ENGINE
DN
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