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>> Download em documenatation <<Text preview - extract from the document ENGINE MECHANICAL GI
SECTION EM MA
LC
EC
CONTENTS FE
QG18DE CAMSHAFT END PLAY............................................36
CL
CAMSHAFT SPROCKET RUNOUT ...........................37
PRECAUTIONS ...............................................................4 VALVE GUIDE CLEARANCE ....................................37
Parts Requiring Angular Tightening.............................4 MT
VALVE GUIDE REPLACEMENT ................................37
Liquid Gasket Application Procedure ..........................4 VALVE SEATS .........................................................38
PREPARATION ...............................................................5 REPLACING VALVE SEAT FOR SERVICE PARTS ....39
AT
Special Service Tools ..................................................5 VALVE DIMENSIONS ...............................................40
Commercial Service Tools ...........................................7 VALVE SPRING .......................................................40
NOISE, VIBRATION AND HARSHNESS (NVH) VALVE LIFTER AND VALVE SHIM ............................40 AX
TROUBLESHOOTING ...................................................10 Assembly ...................................................................41
NVH Troubleshooting - Engine Noise .......................10 Installation..................................................................41
OUTER COMPONENT PARTS .....................................12 Valve Clearance.........................................................45 SU
Removal and Installation ...........................................12 CHECKING .............................................................45
QG18DE (EXCEPT CALIF. CA MODEL) ....................14 ADJUSTING ............................................................46
QG18DE (CALIF. CA MODEL) ..................................15 ENGINE ASSEMBLY.....................................................49 BR
MEASUREMENT OF COMPRESSION PRESSURE ....16 Removal and Installation ...........................................49
OIL PAN.........................................................................17 REMOVAL ...............................................................50
INSTALLATION........................................................52 ST
Components...............................................................17
CYLINDER BLOCK .......................................................53
Removal.....................................................................17
Components...............................................................53
Installation..................................................................18 RS
Removal and Installation ...........................................54
TIMING CHAIN ..............................................................20
Disassembly...............................................................54
Components...............................................................20
PISTON AND CRANKSHAFT ....................................54 BT
Removal.....................................................................21
Inspection...................................................................55
Inspection...................................................................24
PISTON AND PISTON PIN CLEARANCE ..................55
Installation..................................................................24
PISTON RING SIDE CLEARANCE ............................56 HA
OIL SEAL.......................................................................29 PISTON RING END GAP..........................................56
Replacement..............................................................29 CONNECTING ROD BEND AND TORSION ...............56
VALVE OIL SEAL .....................................................29 CYLINDER BLOCK DISTORTION AND WEAR ...........57 SC
FRONT OIL SEAL ....................................................29 PISTON-TO-BORE CLEARANCE ..............................57
REAR OIL SEAL ......................................................30 CRANKSHAFT.........................................................58
CYLINDER HEAD..........................................................31 BEARING CLEARANCE ...........................................59 EL
Components...............................................................31 CONNECTING ROD BUSHING CLEARANCE
Removal.....................................................................32 (SMALL END) ..........................................................61
Disassembly...............................................................34 REPLACEMENT OF CONNECTING ROD IDX
Inspection...................................................................34 BUSHING (SMALL END) ..........................................61
CYLINDER HEAD DISTORTION ...............................34 FLYWHEEL/DRIVE PLATE RUNOUT ........................62
CAMSHAFT VISUAL CHECK ....................................35 Assembly ...................................................................62
CAMSHAFT RUNOUT ..............................................35 PISTON ..................................................................62
CAMSHAFT CAM HEIGHT .......................................35 CRANKSHAFT.........................................................63
CAMSHAFT JOURNAL CLEARANCE ........................36 SERVICE DATA AND SPECIFICATIONS (SDS) .........66
CONTENTS (Cont'd)
General Specifications...............................................66 VALVE OIL SEAL ...................................................102
Compression Pressure ..............................................66 FRONT OIL SEAL ..................................................103
Cylinder Head ............................................................66 REAR OIL SEAL ....................................................103
Valve ..........................................................................67 CYLINDER HEAD........................................................105
VALVE ....................................................................67 Components.............................................................105
VALVE SPRING .......................................................67 Removal...................................................................106
VALVE LIFTER ........................................................67 Disassembly.............................................................109
VALVE CLEARANCE................................................67 Inspection.................................................................110
VALVE GUIDE .........................................................68 CYLINDER HEAD DISTORTION .............................110
AVAILABLE SHIMS ..................................................68 CAMSHAFT VISUAL CHECK .................................. 111
VALVE SEAT ...........................................................71 CAMSHAFT RUNOUT ............................................ 111
VALVE SEAT RESURFACE LIMIT.............................71 CAMSHAFT CAM HEIGHT ..................................... 111
Camshaft and Camshaft Bearing ..............................72 CAMSHAFT JOURNAL CLEARANCE ...................... 111
Cylinder Block............................................................73 CAMSHAFT END PLAY..........................................112
Piston, Piston Ring and Piston Pin ...........................73 CAMSHAFT SPROCKET RUNOUT .........................112
PISTON ..................................................................73 VALVE GUIDE CLEARANCE ..................................112
PISTON RING .........................................................74 VALVE GUIDE REPLACEMENT ..............................113
PISTON PIN ............................................................74 VALVE SEATS .......................................................114
Connecting Rod .........................................................74 REPLACING VALVE SEAT FOR SERVICE PARTS ..114
Crankshaft..................................................................75 VALVE DIMENSIONS .............................................115
VALVE SPRING .....................................................115
Main Bearing..............................................................76
HYDRAULIC LASH ADJUSTER ..............................116
STANDARD .............................................................76
ROCKER ARM, SHIM AND ROCKER ARM GUIDE...116
UNDERSIZE ............................................................76
Assembly .................................................................117
Connecting Rod Bearing ...........................................76
STANDARD SIZE ....................................................76
Installation................................................................120
UNDERSIZE ............................................................76 ENGINE ASSEMBLY...................................................127
Bearing Clearance .....................................................76 Removal and Installation .........................................127
Miscellaneous Components.......................................76 REMOVAL .............................................................128
INSTALLATION......................................................129
CYLINDER BLOCK .....................................................130
SR20DE
Components.............................................................130
PRECAUTIONS .............................................................77 Removal and Installation .........................................131
Parts Requiring Angular Tightening...........................77 Disassembly.............................................................131
Liquid Gasket Application Procedure ........................77 PISTON AND CRANKSHAFT ..................................131
PREPARATION .............................................................78 Inspection.................................................................132
Special Service Tools ................................................78 PISTON AND PISTON PIN CLEARANCE ................132
Commercial Service Tools .........................................80 PISTON RING SIDE CLEARANCE ..........................132
NOISE, VIBRATION AND HARSHNESS (NVH) PISTON RING END GAP........................................133
CONNECTING ROD BEND AND TORSION .............133
TROUBLESHOOTING ...................................................82
CYLINDER BLOCK DISTORTION AND WEAR .........133
NVH Troubleshooting - Engine Noise .......................83
PISTON-TO-BORE CLEARANCE ............................134
OUTER COMPONENT PARTS .....................................84 CRANKSHAFT.......................................................135
Removal and Installation ...........................................84 BEARING CLEARANCE .........................................135
MEASUREMENT OF COMPRESSION PRESSURE ....88 CONNECTING ROD BUSHING CLEARANCE
OIL PAN.........................................................................89 (SMALL END) ........................................................138
Components...............................................................89 REPLACEMENT OF CONNECTING ROD
Removal.....................................................................89 BUSHING (SMALL END) ........................................138
Installation..................................................................91 REPLACEMENT OF PILOT BUSHING (M/T) OR
TIMING CHAIN ..............................................................94 PILOT CONVERTER (A/T)......................................138
Components...............................................................94 FLYWHEEL/DRIVE PLATE RUNOUT ......................139
Removal.....................................................................95 Assembly .................................................................139
PISTON ................................................................139
Inspection...................................................................98
CRANKSHAFT.......................................................140
Installation..................................................................98
SERVICE DATA AND SPECIFICATIONS (SDS) .......143
OIL SEAL.....................................................................102
General Specifications.............................................143
Replacement............................................................102
EM-2
CONTENTS (Cont'd)
Compression Pressure ............................................143 PISTON ................................................................150 GI
Cylinder Head ..........................................................143 PISTON RING .......................................................150
Valve ........................................................................144 PISTON PIN ..........................................................150
VALVE ..................................................................144 Connecting Rod .......................................................151 MA
VALVE SPRING .....................................................144 Crankshaft................................................................152
HYDRAULIC LASH ADJUSTER (HLA) .....................144 Main Bearing............................................................153
VALVE GUIDE .......................................................145 STANDARD ...........................................................153
VALVE SHIM CLEARANCE ADJUSTMENT ..............145 UNDERSIZE ..........................................................153
AVAILABLE SHIM ..................................................146 Connecting Rod Bearing .........................................153
VALVE SEAT .........................................................147 STANDARD SIZE ..................................................153 LC
VALVE SEAT RESURFACE LIMIT...........................148 UNDERSIZE ..........................................................153
Camshaft and Camshaft Bearing ............................148 Bearing Clearance ...................................................153
Cylinder Block..........................................................149 Miscellaneous Components.....................................153
EC
Piston, Piston Ring and Piston pin..........................150
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
EM-3
PRECAUTIONS QG18DE
Parts Requiring Angular Tightening
Parts Requiring Angular Tightening NIEM0041
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