Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti G20 P11 1999-2002 Approved G20-P11-2001 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.....................................................55 AX
Removal and Installation ...........................................55
OUTER COMPONENT PARTS .....................................10
REMOVAL ...............................................................56
Removal and Installation ...........................................10 SU
INSTALLATION........................................................57
MEASUREMENT OF COMPRESSION PRESSURE ....13 CYLINDER BLOCK .......................................................58
OIL PAN.........................................................................14 Components...............................................................58
Components...............................................................14 Removal and Installation ...........................................59 BR
Removal.....................................................................14 Disassembly...............................................................59
Installation..................................................................16 PISTON AND CRANKSHAFT ....................................59
TIMING CHAIN ..............................................................19 ST
Inspection...................................................................59
Components...............................................................19 PISTON AND PISTON PIN CLEARANCE ..................59
Removal.....................................................................20 PISTON RING SIDE CLEARANCE ............................60 RS
Inspection...................................................................23 PISTON RING END GAP..........................................61
Installation..................................................................23 CONNECTING ROD BEND AND TORSION ...............61
OIL SEAL.......................................................................28 CYLINDER BLOCK DISTORTION AND WEAR ...........61 BT
Replacement..............................................................28 PISTON-TO-BORE CLEARANCE ..............................62
VALVE OIL SEAL .....................................................28 CRANKSHAFT.........................................................63
FRONT OIL SEAL ....................................................28 BEARING CLEARANCE ...........................................63 HA
REAR OIL SEAL ......................................................29 CONNECTING ROD BUSHING CLEARANCE
CYLINDER HEAD..........................................................30 (SMALL END) ..........................................................66
Components...............................................................30 REPLACEMENT OF CONNECTING ROD SC
BUSHING (SMALL END) ..........................................66
Removal.....................................................................31
REPLACEMENT OF PILOT BUSHING (M/T) OR
Disassembly...............................................................34
Inspection...................................................................36
PILOT CONVERTER (A/T)........................................66 EL
FLYWHEEL/DRIVE PLATE RUNOUT ........................67
CYLINDER HEAD DISTORTION ...............................36
Assembly ...................................................................67
CAMSHAFT VISUAL CHECK ....................................36 IDX
PISTON ..................................................................67
CAMSHAFT RUNOUT ..............................................36
CRANKSHAFT.........................................................68
CAMSHAFT CAM HEIGHT .......................................36
SERVICE DATA AND SPECIFICATIONS (SDS) .........71
CAMSHAFT JOURNAL CLEARANCE ........................37
General Specifications...............................................71
CAMSHAFT END PLAY............................................37
CAMSHAFT SPROCKET RUNOUT ...........................38 Compression Pressure ..............................................71
VALVE GUIDE CLEARANCE ....................................38 Cylinder Head ............................................................71
VALVE GUIDE REPLACEMENT ................................38 Valve ..........................................................................72
CONTENTS (Cont'd)
VALVE ....................................................................72 PISTON PIN ............................................................78
VALVE SPRING .......................................................72 Connecting Rod .........................................................79
HYDRAULIC LASH ADJUSTER (HLA) .......................72 Crankshaft..................................................................80
VALVE GUIDE .........................................................73 Main Bearing..............................................................81
VALVE SHIM CLEARANCE ADJUSTMENT ................73 STANDARD .............................................................81
AVAILABLE SHIM ....................................................74 UNDERSIZE ............................................................81
VALVE SEAT ...........................................................75 Connecting Rod Bearing ...........................................81
VALVE SEAT RESURFACE LIMIT.............................76 STANDARD SIZE ....................................................81
Camshaft and Camshaft Bearing ..............................76 UNDERSIZE ............................................................81
Cylinder Block............................................................77 Bearing Clearance .....................................................82
Piston, Piston Ring and Piston pin............................78 Miscellaneous Components.......................................82
PISTON ..................................................................78
PISTON RING .........................................................78
EM-2
PRECAUTIONS
Parts Requiring Angular Tightening
Parts Requiring Angular Tightening NCEM0001
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