Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Pathfinder 1999-2003 Approved Nissan Pathfinder 2000 EM
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EXIT
GI
ENGINE MECHANICAL
MA
SECTION EM LC
EC
FE
CONTENTS CL
PRECAUTIONS ...............................................................3 CAMSHAFT VISUAL CHECK ....................................31
CAMSHAFT RUNOUT ..............................................31
MT
Parts Requiring Angular Tightening.............................3
Liquid Gasket Application Procedure ..........................3 CAMSHAFT CAM HEIGHT .......................................31
CAMSHAFT JOURNAL CLEARANCE ........................32
PREPARATION ...............................................................4
CAMSHAFT END PLAY............................................32
AT
Special Service Tools ..................................................4
CAMSHAFT SPROCKET RUNOUT ...........................33
Commercial Service Tools ...........................................6
VALVE GUIDE CLEARANCE ....................................33
NOISE, VIBRATION AND HARSHNESS (NVH) TF
VALVE GUIDE REPLACEMENT ................................33
TROUBLESHOOTING .....................................................8 VALVE SEATS .........................................................34
NVH Troubleshooting Chart - Engine Noise ...............9 REPLACING VALVE SEAT FOR SERVICE PARTS ....35
OUTER COMPONENT PARTS .....................................10
PD
VALVE DIMENSIONS ...............................................35
Removal and Installation ...........................................10 VALVE SPRING .......................................................36
WARM-UP THREE WAY CATALYST LH ....................12 ROCKER SHAFT AND ROCKER ARM ......................36 AX
MEASUREMENT OF COMPRESSION PRESSURE ....13 HYDRAULIC VALVE LIFTER ....................................36
OIL PAN.........................................................................15 Assembly ...................................................................37
Removal.....................................................................15 Installation..................................................................38 SU
Installation..................................................................16 ENGINE ASSEMBLY.....................................................42
TIMING BELT ................................................................18 Removal and Installation ...........................................42
Components...............................................................18 REMOVAL ...............................................................43 BR
Removal.....................................................................19 CYLINDER BLOCK .......................................................45
Inspection...................................................................20 Components...............................................................45
BELT TENSIONER AND TENSIONER SPRING ..........21 CYLINDER BLOCK HEATER ....................................46
ST
Installation..................................................................21 Removal and Installation ...........................................46
Tension Adjustment....................................................22 Disassembly...............................................................47 RS
AFTER BELT REPLACEMENT..................................22 PISTON AND CRANKSHAFT ....................................47
AFTER ENGINE OVERHAUL OR ENGINE Inspection...................................................................47
REASSEMBLY (WITH ROCKER COVERS PISTON AND PISTON PIN CLEARANCE ..................47 BT
REMOVED) .............................................................23 PISTON RING SIDE CLEARANCE ............................48
OIL SEAL.......................................................................25 PISTON RING END GAP..........................................48
Replacement..............................................................25 CONNECTING ROD BEND AND TORSION ...............48 HA
VALVE OIL SEAL .....................................................25 CYLINDER BLOCK DISTORTION AND WEAR ...........49
OIL SEAL INSTALLING DIRECTION .........................25 PISTON-TO-BORE CLEARANCE ..............................49
CAMSHAFT OIL SEAL .............................................26 CRANKSHAFT.........................................................51 SC
FRONT OIL SEAL ....................................................26 BEARING CLEARANCE ...........................................51
REAR OIL SEAL ......................................................26 CONNECTING ROD BUSHING CLEARANCE
CYLINDER HEAD..........................................................27 (SMALL END) ..........................................................54 EL
Components...............................................................27 REPLACEMENT OF CONNECTING ROD
BUSHING (SMALL END) ..........................................54
Removal.....................................................................28
FLYWHEEL/DRIVE PLATE RUNOUT ........................54 IDX
Disassembly...............................................................30
Assembly ...................................................................55
Inspection...................................................................31
PISTON ..................................................................55
CYLINDER HEAD DISTORTION ...............................31
EXIT
CONTENTS (Cont'd)
CRANKSHAFT.........................................................55 Piston, Piston Ring and Piston Pin ...........................65
REPLACING PILOT BUSHING (M/T) OR PILOT AVAILABLE PISTON ................................................65
CONVERTER (A/T) ..................................................57 PISTON RING .........................................................65
SERVICE DATA AND SPECIFICATIONS (SDS) .........58 PISTON PIN ............................................................66
General Specifications...............................................58 Connecting Rod .........................................................66
Cylinder Head ............................................................59 Crankshaft..................................................................66
Valve ..........................................................................59 Available Main Bearing..............................................67
VALVE ....................................................................59 NO. 1 MAIN BEARING .............................................67
VALVE SPRING .......................................................60 NO. 2 AND 3 MAIN BEARINGS ................................67
HYDRAULIC VALVE LIFTER ....................................60 NO. 4 MAIN BEARING .............................................67
VALVE GUIDE .........................................................60 UNDERSIZE ............................................................67
ROCKER SHAFT AND ROCKER ARM ......................60 Available Connecting Rod Bearing............................68
Valve Seat..................................................................61 CONNECTING ROD BEARING UNDERSIZE .............68
INTAKE VALVE SEAT ..............................................61 Miscellaneous Components.......................................68
EXHAUST VALVE SEAT...........................................62 BEARING CLEARANCE ...........................................68
Camshaft and Camshaft Bearing ..............................63
Cylinder Block............................................................64
EM-2
EXIT
PRECAUTIONS
Parts Requiring Angular Tightening
Parts Requiring Angular Tightening NAEM0001
GI
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