Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti G35 2006-2007 Approved G35-V35-Coupe-2007 em
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ENGINE MECHANICAL
B ENGINE
A
EM
SECTION
ENGINE MECHANICAL C
D
E
CONTENTS
PRECAUTIONS ......................................................... 4 . INSTALLATION .................................................. 16 . F
Precautions for Battery Service ............................... 4 . Changing Air Cleaner Filter ................................... 17 .
Precautions Necessary for Steering Wheel Rotation INSPECTION ..................................................... 17 .
After Battery Disconnect ......................................... 4 . REMOVAL .......................................................... 17 . G
OPERATION PROCEDURE ................................ 4 . INSTALLATION .................................................. 17 .
Precautions for Draining Engine Coolant ................ 4 . INTAKE MANIFOLD COLLECTOR ......................... 18 .
Precautions for Disconnecting Fuel Piping ............. 4 . Components .......................................................... 18 .
H
Precautions for Removal and Disassembly ............ 4 . Removal and Installation ....................................... 18 .
Precautions for Inspection, Repair and Replace- REMOVAL .......................................................... 18 .
ment ........................................................................ 5
. INSPECTION AFTER REMOVAL ...................... 20 .
Precautions for Assembly and Installation .............. 5 . INSTALLATION .................................................. 21 . I
Parts Requiring Angle Tightening ............................ 5 . INTAKE MANIFOLD ................................................ 23 .
Precautions for Liquid Gasket ................................. 5 . Components .......................................................... 23 .
REMOVAL OF LIQUID GASKET SEALING ......... 5 . Removal and Installation ....................................... 23 . J
LIQUID GASKET APPLICATION PROCEDURE 6 ..... REMOVAL .......................................................... 23 .
PREPARATION .......................................................... 7 . INSPECTION AFTER REMOVAL ...................... 24 .
Special Service Tools (SST) .................................... 7 . INSTALLATION .................................................. 24 .
K
Commercial Service Tools ....................................... 9 . EXHAUST MANIFOLD AND THREE WAY CATA-
NOISE, VIBRATION AND HARSHNESS (NVH) LYST ......................................................................... 25
.
TROUBLESHOOTING ............................................. 12 . Components .......................................................... 25 .
NVH Troubleshooting --Engine Noise .................. 12 . Removal and Installation ....................................... 25 . L
Use the Chart Below to Help You Find the Cause REMOVAL .......................................................... 25 .
of the Symptom. .................................................... 13 . INSPECTION AFTER REMOVAL ...................... 27 .
DRIVE BELTS .......................................................... 14. INSTALLATION .................................................. 27 . M
Checking Drive Belts ............................................. 14 . OIL PAN AND OIL STRAINER ................................ 29 .
Tension Adjustment ............................................... 14 . Components .......................................................... 29 .
ALTERNATOR AND POWER STEERING OIL Removal and Installation ....................................... 29 .
PUMP BELT ....................................................... 15 . REMOVAL .......................................................... 29 .
A/C COMPRESSOR BELT ................................ 15 . INSPECTION AFTER REMOVAL ...................... 31 .
Removal and Installation ....................................... 15 . INSTALLATION .................................................. 31 .
REMOVAL .......................................................... 15 . INSPECTION AFTER INSTALLATION ............... 34 .
INSTALLATION .................................................. 15 . IGNITION COIL ........................................................ 35 .
AIR CLEANER AND AIR DUCT .............................. 16 . Components .......................................................... 35 .
Components .......................................................... 16. Removal and Installation ....................................... 35 .
Removal and Installation ....................................... 16 . REMOVAL .......................................................... 35 .
REMOVAL .......................................................... 16 . INSTALLATION .................................................. 35 .
SPARK PLUG (PLATINUM-TIPPED TYPE) ............ 36 .
Revision: 2006 August EM-1 2007 G35 Coupe
Components .......................................................... 36
. REMOVAL ......................................................... 120 .
Removal and Installation ....................................... 36 . INSPECTION AFTER REMOVAL ..................... 121 .
REMOVAL .......................................................... 36
. INSTALLATION ................................................. 122 .
INSPECTION AFTER REMOVAL ....................... 36 . INSPECTION AFTER INSTALLATION ............. 123 .
INSTALLATION ................................................... 37 . Components ......................................................... 124 .
FUEL INJECTOR AND FUEL TUBE ....................... 38 . Disassembly and Assembly ................................. 124 .
Components .......................................................... 38
. DISASSEMBLY ................................................. 124 .
Removal and Installation ....................................... 38 . ASSEMBLY ....................................................... 125 .
REMOVAL .......................................................... 38
. Inspection After Disassembly ............................... 126 .
INSTALLATION ................................................... 40 . VALVE DIMENSIONS ....................................... 126 .
INSPECTION AFTER INSTALLATION ............... 42 . VALVE GUIDE CLEARANCE ........................... 127 .
ROCKER COVER .................................................... 44 . VALVE GUIDE REPLACEMENT ...................... 127 .
Components .......................................................... 44
. VALVE SEAT CONTACT ................................... 129 .
Removal and Installation ....................................... 44 . VALVE SEAT REPLACEMENT ......................... 129 .
REMOVAL .......................................................... 44
. VALVE SPRING SQUARENESS ...................... 130 .
INSTALLATION ................................................... 45 . VALVE SPRING DIMENSIONS AND VALVE
FRONT TIMING CHAIN CASE ................................ 47 . SPRING PRESSURE LOAD ............................. 130 .
Removal and Installation ....................................... 47 . ENGINE ASSEMBLY .............................................. 131 .
REMOVAL .......................................................... 47
. Components ......................................................... 131 .
INSTALLATION ................................................... 51 . Removal and Installation ...................................... 131 .
INSPECTION AFTER INSTALLATION ............... 57 . REMOVAL ......................................................... 132 .
TIMING CHAIN ......................................................... 59
. INSTALLATION ................................................. 134 .
Components (M/T Models) .................................... 59 . INSPECTION AFTER INSTALLATION ............. 135 .
Components (A/T Models) ..................................... 61 . CYLINDER BLOCK ................................................ 137 .
Removal and Installation (M/T Models) ................. 62 . Components ......................................................... 137 .
REMOVAL .......................................................... 62
. Disassembly and Assembly ................................. 138 .
INSPECTION AFTER REMOVAL ....................... 69 . DISASSEMBLY ................................................. 138 .
INSTALLATION ................................................... 70 . ASSEMBLY ....................................................... 143 .
INSPECTION AFTER INSTALLATION ............... 81 . How to Select Piston and Bearing ....................... 150 .
Removal and Installation (A/T Models) .................. 81 . DESCRIPTION ................................................. 150 .
REMOVAL .......................................................... 81
. HOW TO SELECT PISTON .............................. 151 .
INSPECTION AFTER REMOVAL ....................... 88 . HOW TO SELECT CONNECTING ROD BEAR-
INSTALLATION ................................................... 89 . ING .................................................................... 151
.
INSPECTION AFTER INSTALLATION ............... 99 . HOW TO SELECT MAIN BEARING ................. 152 .
CAMSHAFT ............................................................ 100
. Inspection After Disassembly ............................... 156 .
Components ........................................................ 100
. CRANKSHAFT END PLAY ............................... 156 .
Removal and Installation ..................................... 101 . CONNECTING ROD SIDE CLEARANCE ........ 156 .
REMOVAL ........................................................ 101. PISTON TO PISTON PIN OIL CLEARANCE .... 156 .
INSPECTION AFTER REMOVAL ..................... 102 . PISTON RING SIDE CLEARANCE .................. 157 .
INSTALLATION ................................................. 105 . PISTON RING END GAP ................................. 157 .
INSPECTION AFTER INSTALLATION ............. 110 . CONNECTING ROD BEND AND TORSION .... 158 .
Valve Clearance ....................................................111
. CONNECTING ROD BIG END DIAMETER ..... 158 .
INSPECTION .....................................................111 . CONNECTING ROD BUSHING OIL CLEAR-
ADJUSTMENT ................................................. 114 . ANCE ................................................................ 159
.
OIL SEAL ............................................................... 116
. CYLINDER BLOCK DISTORTION ................... 160 .
Removal and Installation of Valve Oil Seal .......... 116 . MAIN BEARING HOUSING INNER DIAMETER.160
REMOVAL ........................................................ 116. PISTON TO CYLINDER BORE CLEARANCE . 160
INSTALLATION ................................................. 116 . CRANKSHAFT MAIN JOURNAL DIAMETER .. 162 .
Removal and Installation of Front Oil Seal .......... 117 . CRANKSHAFT PIN JOURNAL DIAMETER ..... 162 .
REMOVAL ........................................................ 117. CRANKSHAFT OUT-OF-ROUND AND TAPER.162
INSTALLATION ................................................. 117 . CRANKSHAFT RUNOUT ................................. 162 .
Removal and Installation of Rear Oil Seal ........... 117 . CONNECTING ROD BEARING OIL CLEAR-
REMOVAL ........................................................ 117. ANCE ................................................................ 163
.
INSTALLATION ................................................. 118 . MAIN BEARING OIL CLEARANCE .................. 163 .
CYLINDER HEAD .................................................. 119 . CRUSH HEIGHT OF MAIN BEARING ............. 164 .
On-Vehicle Service .............................................. 119. CRUSH HEIGHT OF CONNECTING ROD
CHECKING COMPRESSION PRESSURE ...... 119 . BEARING .......................................................... 164 .
Components ........................................................ 120
. MAIN BEARING CAP BOLT OUTER DIAMETER .164
Removal and Installation ..................................... 120 . CONNECTING ROD BOLT OUTER DIAMETER
Revision: 2006 August EM-2 2007 G35 Coupe
(A/T MODELS) ................................................. 164 . MANIFOLD AND EXHAUST MANIFOLD ......... 168 .
FLYWHEEL DEFLECTION .............................. 165 . SPARK PLUG ................................................... 168
. A
MOVEMENT AMOUNT OF FLYWHEEL .......... 165 . CAMSHAFT AND CAMSHAFT BEARING ....... 169 .
DRIVE PLATE (A/T MODELS) ......................... 166 . CYLINDER HEAD ............................................ 171
.
OIL JET ............................................................ 166
. CYLINDER BLOCK .......................................... 174. EM
OIL JET RELIEF VALVE .................................. 166 . PISTON, PISTON RING AND PISTON PIN ..... 175 .
SERVICE DATA AND SPECIFICATIONS (SDS) ... 167 . CONNECTING ROD ........................................ 176 .
Standard and Limit .............................................. 167. CRANKSHAFT ................................................. 177
.
GENERAL SPECIFICATIONS ......................... 167 . MAIN BEARING ............................................... 178
. C
DRIVE BELT .................................................... 168. CONNECTING ROD BEARING ....................... 179 .
INTAKE MANIFOLD COLLECTOR, INTAKE
D
E
F
G
H
I
J
K
L
M
Revision: 2006 August EM-3 2007 G35 Coupe
PRECAUTIONS
PRECAUTIONS PFP:00001
Precautions for Battery Service NBS000JC
Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.
Precautions Necessary for Steering Wheel Rotation After Battery Disconnect
NBS006S5
NOTE:
q This Procedure is applied only to models with Intelligent Key system and NVIS/IVIS (NISSAN/INFINITI
VEHICLE IMMOBILIZER SYSTEM - NATS).
q Remove and install all control units after disconnecting both battery cables with the ignition knob in the
LOCK position.
q Always use CONSULT-II to perform self-diagnosis as a part of each function inspection after finishing
work. If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NVIS/IVIS, an electrically controlled steering lock
mechanism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ACC position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
5. When the repair work is completed, return the ignition switch to the LOCK position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-II.
Precautions for Draining Engine Coolant NBS000JD
Drain engine coolant when engine is cooled.
Precautions for Disconnecting Fuel Piping NBS000JE
q Before starting work, make sure no fire or spark producing items are in the work area.
q Release fuel pressure before disconnecting and disassembly.
q After disconnecting pipes, plug openings to stop fuel leakage.
Precautions for Removal and Disassembly NBS000JF
q When instructed to use special service tools, use the specified tools. Always be careful to work safely,
avoid forceful or uninstructed operations.
q Exercise maximum care to avoid damage to mating or sliding surfaces.
q Cover openings of engine system with tape or the equivalent, if necessary, to seal out foreign materials.
q Mark and arrange disassembly parts in an organized way for easy troubleshooting and assembly.
q When loosening bolts and nuts, as a basic rule, start with the one furthest outside, then the one diagonally
opposite, and so on. If the order of loosening is specified, do exactly as specified. Power tools may be
used where noted in the step.
Revision: 2006 August EM-4 2007 G35 Coupe
PRECAUTIONS
Precautions for Inspection, Repair and Replacement NBS000JG
A
Before repairing or replacing, thoroughly inspect parts. Inspect new replacement parts in the same way, and
replace if necessary.
Precautions for Assembly and Installation NBS000JH EM
q Use torque wrench to tighten bolts or nuts to specification.
q When tightening bolts and nuts, as a basic rule, equally tighten in several different steps starting with the
ones in center, then ones on inside and outside diagonally in this order. If the order of tightening is speci- C
fied, do exactly as specified.
q Replace with new gasket, packing, oil seal or O-ring.
q Dowel pins are used for several parts alignment. When replacing and reassembling parts with dowel pins, D
make sure that dowel pins are installed in the original position.
q Thoroughly wash, clean, and air-blow each part. Carefully check engine oil or engine coolant passages for
any restriction and blockage. E
q Avoid damaging sliding or mating surfaces. Completely remove foreign materials such as cloth lint or dust.
Before assembly, oil sliding surfaces well.
q Release air within route when refilling after draining engine coolant. F
q After repairing, start engine and increase engine speed to check engine coolant, fuel, engine oil, and
exhaust systems for leakage.
G
Parts Requiring Angle Tightening NBS000JI
q Use angle wrench [SST: KV10112100 (BT8653-A)] for the final tightening of the following engine parts:
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