Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti G20 P11 1999-2002 Approved G20-P11-2002 em
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ENGINE MECHANICAL GI
SECTION EM MA
LC
EC
CONTENTS FE
PRECAUTIONS ...............................................................3 VALVE SEATS .........................................................39
CL
Parts Requiring Angular Tightening.............................3 REPLACING VALVE SEAT FOR SERVICE PARTS ....40
Liquid Gasket Application Procedure ..........................3 VALVE DIMENSIONS ...............................................41
MT
PREPARATION ...............................................................4 VALVE SPRING .......................................................41
HYDRAULIC LASH ADJUSTER ................................41
Special Service Tools ..................................................4
ROCKER ARM, SHIM AND ROCKER ARM GUIDE.....42
Commercial Service Tools ...........................................6 AT
Assembly ...................................................................42
NOISE, VIBRATION AND HARSHNESS (NVH)
Installation..................................................................46
TROUBLESHOOTING .....................................................8
NVH Troubleshooting - Engine Noise .........................9
ENGINE ASSEMBLY.....................................................52 AX
Removal and Installation ...........................................52
OUTER COMPONENT PARTS .....................................10
REMOVAL ...............................................................53
Removal and Installation ...........................................10 SU
INSTALLATION........................................................54
MEASUREMENT OF COMPRESSION PRESSURE ....13 CYLINDER BLOCK .......................................................55
OIL PAN.........................................................................14 Components...............................................................55
Components...............................................................14 Removal and Installation ...........................................56 BR
Removal.....................................................................14 Disassembly...............................................................56
Installation..................................................................16 PISTON AND CRANKSHAFT ....................................56
TIMING CHAIN ..............................................................19 ST
Inspection...................................................................56
Components...............................................................19 PISTON AND PISTON PIN CLEARANCE ..................56
Removal.....................................................................20 PISTON RING SIDE CLEARANCE ............................57 RS
Inspection...................................................................23 PISTON RING END GAP..........................................58
Installation..................................................................23 CONNECTING ROD BEND AND TORSION ...............58
OIL SEAL.......................................................................28 CYLINDER BLOCK DISTORTION AND WEAR ...........58 BT
Replacement..............................................................28 PISTON-TO-BORE CLEARANCE ..............................59
VALVE OIL SEAL .....................................................28 CRANKSHAFT.........................................................60
FRONT OIL SEAL ....................................................28 BEARING CLEARANCE ...........................................60 HA
REAR OIL SEAL ......................................................29 CONNECTING ROD BUSHING CLEARANCE
CYLINDER HEAD..........................................................30 (SMALL END) ..........................................................63
Components...............................................................30 REPLACEMENT OF CONNECTING ROD SC
BUSHING (SMALL END) ..........................................63
Removal.....................................................................31
REPLACEMENT OF PILOT BUSHING (M/T) OR
Disassembly...............................................................34
Inspection...................................................................36
PILOT CONVERTER (A/T)........................................63 EL
FLYWHEEL/DRIVE PLATE RUNOUT ........................64
CYLINDER HEAD DISTORTION ...............................36
Assembly ...................................................................64
CAMSHAFT VISUAL CHECK ....................................36 IDX
PISTON ..................................................................64
CAMSHAFT RUNOUT ..............................................36
CRANKSHAFT.........................................................65
CAMSHAFT CAM HEIGHT .......................................36
SERVICE DATA AND SPECIFICATIONS (SDS) .........68
CAMSHAFT JOURNAL CLEARANCE ........................37
General Specifications...............................................68
CAMSHAFT END PLAY............................................37
CAMSHAFT SPROCKET RUNOUT ...........................38 Compression Pressure ..............................................68
VALVE GUIDE CLEARANCE ....................................38 Cylinder Head ............................................................68
VALVE GUIDE REPLACEMENT ................................38 Valve ..........................................................................69
CONTENTS (Cont'd)
VALVE ....................................................................69 PISTON PIN ............................................................75
VALVE SPRING .......................................................69 Connecting Rod .........................................................76
HYDRAULIC LASH ADJUSTER (HLA) .......................69 Crankshaft..................................................................77
VALVE GUIDE .........................................................70 Main Bearing..............................................................78
VALVE SHIM CLEARANCE ADJUSTMENT ................70 STANDARD .............................................................78
AVAILABLE SHIM ....................................................71 UNDERSIZE ............................................................78
VALVE SEAT ...........................................................72 Connecting Rod Bearing ...........................................78
VALVE SEAT RESURFACE LIMIT.............................73 STANDARD SIZE ....................................................78
Camshaft and Camshaft Bearing ..............................73 UNDERSIZE ............................................................78
Cylinder Block............................................................74 Bearing Clearance .....................................................79
Piston, Piston Ring and Piston pin............................75 Miscellaneous Components.......................................79
PISTON ..................................................................75
PISTON RING .........................................................75
EM-2
PRECAUTIONS
Parts Requiring Angular Tightening
Parts Requiring Angular Tightening NCEM0001
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