Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Pathfinder 1999-2003 Approved Nissan Pathfinder 2002 em
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GI
ENGINE MECHANICAL
MA
SECTION EM LC
EC
FE
CONTENTS CL
PRECAUTIONS ...............................................................3 CAMSHAFT SPROCKET RUNOUT ...........................44
VALVE GUIDE CLEARANCE ....................................44
MT
Parts Requiring Angular Tightening.............................3
Liquid Gasket Application Procedure ..........................3 VALVE GUIDE REPLACEMENT ................................44
VALVE SEATS .........................................................45
PREPARATION ...............................................................4
REPLACING VALVE SEAT FOR SERVICE PARTS ....45
AT
Special Service Tools ..................................................4
VALVE DIMENSIONS ...............................................46
Commercial Service Tools ...........................................6
VALVE SPRING .......................................................46
NOISE, VIBRATION AND HARSHNESS (NVH) TF
VALVE LIFTER ........................................................47
TROUBLESHOOTING .....................................................8 Assembly ...................................................................48
NVH Troubleshooting - Engine Noise .........................9
OUTER COMPONENT PARTS .....................................10
Installation..................................................................48 PD
Valve Clearance.........................................................53
Removal and Installation ...........................................10 CHECKING .............................................................53
TIGHTENING PROCEDURES ...................................12 ADJUSTING ............................................................55 AX
MEASUREMENT OF COMPRESSION PRESSURE ....14 ENGINE ASSEMBLY.....................................................59
OIL PAN.........................................................................15 Removal and Installation ...........................................59
Components...............................................................15 REMOVAL ...............................................................60 SU
Removal.....................................................................15 INSTALLATION........................................................62
Installation..................................................................18 CYLINDER BLOCK .......................................................63
TIMING CHAIN ..............................................................20 Components...............................................................63 BR
Components...............................................................20 CYLINDER BLOCK HEATER ....................................64
POSITION FOR APPLYING LIQUID GASKET ............21 Removal and Installation ...........................................64
Removal.....................................................................23
ST
Disassembly...............................................................64
Inspection...................................................................29 PISTON, CRANKSHAFT AND OIL JET ......................64
Installation..................................................................29 Inspection...................................................................65 RS
OIL SEAL.......................................................................36 PISTON AND PISTON PIN CLEARANCE ..................65
Replacement..............................................................36 PISTON RING SIDE CLEARANCE ............................66
VALVE OIL SEAL .....................................................36 PISTON RING END GAP..........................................66 BT
OIL SEAL INSTALLATION DIRECTION .....................37 CONNECTING ROD BEND AND TORSION ...............67
FRONT OIL SEAL ....................................................37 CYLINDER BLOCK DISTORTION AND WEAR ...........67
REAR OIL SEAL ......................................................37 PISTON-TO-BORE CLEARANCE ..............................68 HA
CYLINDER HEAD..........................................................38 CRANKSHAFT.........................................................69
Components...............................................................38 BEARING CLEARANCE ...........................................69
Removal.....................................................................39 CONNECTING ROD BUSHING CLEARANCE SC
(SMALL END) ..........................................................72
Disassembly...............................................................42
FLYWHEEL/DRIVE PLATE RUNOUT ........................72
Inspection...................................................................42 EL
Assembly ...................................................................73
CYLINDER HEAD DISTORTION ...............................42
PISTON ..................................................................73
CAMSHAFT VISUAL CHECK ....................................42
OIL JET ..................................................................73
CAMSHAFT RUNOUT ..............................................42 IDX
CRANKSHAFT.........................................................73
CAMSHAFT CAM HEIGHT .......................................43
REPLACEMENT OF PILOT BUSHING (M/T) OR
CAMSHAFT JOURNAL CLEARANCE ........................43
PILOT CONVERTER (A/T)........................................76
CAMSHAFT END PLAY............................................43
CONTENTS (Cont'd)
FLYWHEEL/DRIVE PLATE .......................................76 Cylinder Block............................................................84
SERVICE DATA AND SPECIFICATIONS (SDS) .........77 Piston, Piston Ring and Piston Pin ...........................85
General Specifications...............................................77 AVAILABLE PISTON ................................................85
Compression Pressure ..............................................77 PISTON RING .........................................................86
Cylinder Head ............................................................77 PISTON PIN ............................................................86
Valve ..........................................................................78 Connecting Rod .........................................................86
VALVE ....................................................................78 Crankshaft..................................................................87
VALVE CLEARANCE................................................78 Available Main Bearing..............................................88
AVAILABLE SHIMS ..................................................78 UNDERSIZE ............................................................88
VALVE SPRING .......................................................80 Available Connecting Rod Bearing............................89
VALVE LIFTER ........................................................80 CONNECTING ROD BEARING .................................89
AVAILABLE LIFTERS (SHIMLESS TYPE) ..................81 UNDERSIZE ............................................................89
VALVE GUIDE .........................................................82 Miscellaneous Components.......................................89
Valve Seat..................................................................82 BEARING CLEARANCE ...........................................89
Camshaft and Camshaft Bearing ..............................83
EM-2
PRECAUTIONS
Parts Requiring Angular Tightening
Parts Requiring Angular Tightening NAEM0001
GI
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