Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Quest 1999-2002 Approved Nissan Quest 2000 EM
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ENGINE MECHANICAL GI
SECTION EM MA
LC
EC
CONTENTS FE
PRECAUTIONS ...............................................................3 CAMSHAFT RUNOUT ..............................................32
AT
Parts Requiring Angular Tightening.............................3 CAMSHAFT CAM HEIGHT .......................................32
Liquid Gasket Application Procedure ..........................3 CAMSHAFT JOURNAL CLEARANCE ........................32
AX
PREPARATION ...............................................................4 CAMSHAFT END PLAY............................................33
CAMSHAFT SPROCKET RUNOUT ...........................33
Special Service Tools ..................................................4
VALVE GUIDE CLEARANCE ....................................33
Commercial Service Tools ...........................................6 SU
VALVE GUIDE REPLACEMENT ................................34
NOISE, VIBRATION AND HARSHNESS (NVH)
VALVE SEATS .........................................................35
TROUBLESHOOTING .....................................................8 REPLACING VALVE SEAT FOR SERVICE PARTS ....36
NVH Troubleshooting Chart - Engine Noise ...............9
BR
VALVE DIMENSIONS ...............................................36
OUTER COMPONENT PARTS .....................................10 VALVE SPRING .......................................................37
Removal and Installation ...........................................10 ROCKER SHAFT AND ROCKER ARM ......................37 ST
MEASUREMENT OF COMPRESSION PRESSURE ....13 HYDRAULIC VALVE LIFTER ....................................38
OIL PAN.........................................................................14 Assembly ...................................................................38
Removal.....................................................................14 Installation..................................................................39 RS
Installation..................................................................16 ENGINE ASSEMBLY.....................................................43
TIMING BELT ................................................................17 Removal and Installation ...........................................43
Components...............................................................17 REMOVAL ...............................................................44 BT
Removal.....................................................................18 CYLINDER BLOCK .......................................................47
Inspection...................................................................20 Components...............................................................47
Removal and Installation ...........................................48
HA
BELT TENSIONER AND TENSIONER SPRING ..........20
Installation..................................................................21 Disassembly...............................................................48
Tension Adjustment....................................................22 PISTON AND CRANKSHAFT ....................................48 SC
AFTER BELT REPLACEMENT..................................22 Inspection...................................................................49
AFTER ENGINE OVERHAUL OR ENGINE PISTON AND PISTON PIN CLEARANCE ..................49
REASSEMBLY (WITH ROCKER COVERS PISTON RING SIDE CLEARANCE ............................49 EL
REMOVED) .............................................................23 PISTON RING END GAP..........................................49
OIL SEAL.......................................................................25 CONNECTING ROD BEND AND TORSION ...............50
Replacement..............................................................25 CYLINDER BLOCK DISTORTION AND WEAR ...........50 IDX
VALVE OIL SEAL .....................................................25 PISTON-TO-BORE CLEARANCE ..............................51
OIL SEAL INSTALLING DIRECTION .........................25 CRANKSHAFT.........................................................52
CAMSHAFT OIL SEAL .............................................26 BEARING CLEARANCE ...........................................53
FRONT OIL SEAL ....................................................26 CONNECTING ROD BUSHING CLEARANCE
REAR OIL SEAL ......................................................26 (SMALL END) ..........................................................55
CYLINDER HEAD..........................................................27 REPLACEMENT OF CONNECTING ROD
Components...............................................................27 BUSHING (SMALL END) ..........................................55
DRIVE PLATE RUNOUT ..........................................56
Removal.....................................................................28
Assembly ...................................................................56
Disassembly...............................................................30
PISTON ..................................................................56
Inspection...................................................................31
CRANKSHAFT.........................................................56
CYLINDER HEAD DISTORTION ...............................31
REPLACING PILOT CONVERTER ............................58
CAMSHAFT VISUAL CHECK ....................................32
CONTENTS (Cont'd)
SERVICE DATA AND SPECIFICATIONS (SDS) .........59 AVAILABLE PISTON ................................................66
General Specifications...............................................59 PISTON RING .........................................................66
Cylinder Head ............................................................60 PISTON PIN ............................................................67
Valve ..........................................................................60 Connecting Rod .........................................................67
VALVE ....................................................................60 Crankshaft..................................................................67
VALVE SPRING .......................................................61 Available Main Bearing..............................................68
HYDRAULIC VALVE LIFTER ....................................61 NO. 1 MAIN BEARING .............................................68
VALVE GUIDE .........................................................61 NO. 2 AND 3 MAIN BEARING ..................................68
ROCKER SHAFT AND ROCKER ARM ......................61 NO. 4 MAIN BEARING .............................................68
Valve Seat..................................................................62 UNDER SIZE ...........................................................68
INTAKE VALVE SEAT ..............................................62 Available Connecting Rod Bearing............................69
EXHAUST VALVE SEAT...........................................63 CONNECTING ROD BEARING UNDERSIZE .............69
Camshaft and Camshaft Bearing ..............................64 Miscellaneous Components.......................................69
Cylinder Block............................................................65 BEARING CLEARANCE ...........................................69
Piston, Piston Ring and Piston Pin ...........................66
EM-2
PRECAUTIONS
Parts Requiring Angular Tightening
Parts Requiring Angular Tightening NDEM0001
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