Jeep 1997 Grand Cherokee Service Manual page 1721

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GENERAL INFORMATION
ENGINE IDENTIFICATION . . . . . . . . . . . . . . . . . 1
HYDRAULIC TAPPETS
DESCRIPTION AND OPERATION
LUBRICATION SYSTEM . . . . . . . . . . . . . . . . . . . 2
DIAGNOSIS AND TESTING
SERVICE DIAGNOSIS-DIESEL-
PERFORMANCE . . . . . . . . . . . . . . . . . . . . . . . 3
SERVICE DIAGNOSIS-DIESEL-
MECHANICAL. . . . . . . . . . . . . . . . . . . . . . . . . 9
TAPPET NOISE . . . . . . . . . . . . . . . . . . . . . . . . 12
SERVICE PROCEDURES
VALVE SERVICE . . . . . . . . . . . . . . . . . . . . . . . 12
REMOVAL AND INSTALLATION
ENGINE ASSEMBLY . . . . . . . . . . . . . . . . . . . . . 15
CYLINDER HEAD COVER . . . . . . . . . . . . . . . . 17
HYDRAULIC TAPPETS . . . . . . . . . . . . . . . . . . . 18
ROCKER ARMS AND PUSH RODS
VALVE SPRINGS . . . . . . . . . . . . . . . . . . . . . . . 19
ENGINE CYLINDER HEAD . . . . . . . . . . . . . . . . 20
VIBRATION DAMPER . . . . . . . . . . . . . . . . . . . . 24
TIMING CASE COVER OIL SEAL . . . . . . . . . . . 25
TIMING CASE COVER . . . . . . . . . . . . . . . . . . . 25
CAMSHAFT . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
CAMSHAFT BEARINGS . . . . . . . . . . . . . . . . . . 27
GENERAL INFORMATION
ENGINE IDENTIFICATION
The engine model code (3-digit number/letter code)
and serial number are stamped on the forward facing
side of the engine block (Fig. 1).
ENGINE
CONTENTS
page
. . . . . . . . . . . . . . . . . . . 2
. . . . . . . . . 19
OIL PAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
OIL PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
INTERNAL VACUUM PUMP . . . . . . . . . . . . . . . 28
OIL PUMP PRESSURE RELIEF VALVE
OIL FILTER ADAPTER . . . . . . . . . . . . . . . . . . . 29
PISTONS AND CONNECTING ROD
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . 30
CYLINDER WALL LINER ASSEMBLY . . . . . . . . 33
CRANKSHAFT MAIN BEARINGS . . . . . . . . . . . 35
ENGINE MOUNTS-FRONT . . . . . . . . . . . . . . . 14
ENGINE MOUNT-REAR . . . . . . . . . . . . . . . . . 15
DISASSEMBLY AND ASSEMBLY
HYDRAULIC TAPPETS . . . . . . . . . . . . . . . . . . . 38
CLEANING AND INSPECTION
CYLINDER HEAD . . . . . . . . . . . . . . . . . . . . . . . 38
ROCKER ARMS AND PUSH RODS
PISTONS AND CONNECTING ROD
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . 39
CYLINDER WALL LINER ASSEMBLY . . . . . . . . 40
OIL PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
SPECIFICATIONS
ENGINE SPECIFICATIONS
TORQUE SPECIFICATIONS . . . . . . . . . . . . . . . 44
SPECIAL TOOLS
SPECIAL TOOLS . . . . . . . . . . . . . . . . . . . . . . . 45
Fig. 1 Engine Code Location
ENGINE 9 - 1
page
. . . . . . 29
. . . . . . . . . 39
. . . . . . . . . . . . . . . 42