Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan 350Z 2003-2007 Approved Nissan 350Z 2007 EM
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ENGINE MECHANICAL
B ENGINE
A
SECTION
ENGINE MECHANICAL
EM EM
C
D
E
CONTENTS
PRECAUTIONS ......................................................... 3 . INSTALLATION .................................................. 16 . F
Precautions for Procedures without Cowl Top Cover 3 ..... Changing Air Cleaner Filter ................................... 16 .
Precautions for Battery Service ............................... 3 . REMOVAL .......................................................... 16 .
Precautions for Drain Engine Coolant and Engine INSTALLATION .................................................. 16 . G
Oil ............................................................................ 3
. INTAKE MANIFOLD COLLECTOR ......................... 17 .
Precautions for Disconnecting Fuel Piping ............. 3 . Removal and Installation ....................................... 17 .
Precautions for Removal and Disassembly ............ 3 . REMOVAL .......................................................... 17 .
H
Precautions for Inspection, Repair and Replace- INSTALLATION .................................................. 19 .
ment ........................................................................ 3
. INTAKE MANIFOLD ................................................ 20 .
Precautions for Assembly and Installation .............. 3 . Removal and Installation ....................................... 20 .
Parts Requiring Angle Tightening ............................ 4 . REMOVAL .......................................................... 20 . I
Precautions for Liquid Gasket ................................. 4 . INSPECTION AFTER REMOVAL ...................... 21 .
REMOVAL OF LIQUID GASKET SEALING ......... 4 . INSTALLATION .................................................. 21 .
LIQUID GASKET APPLICATION PROCEDURE 4 ..... EXHAUST MANIFOLD AND THREE WAY CATA- J
PREPARATION .......................................................... 6 . LYST ......................................................................... 22
.
Special Service Tools .............................................. 6 . Removal and Installation ....................................... 22 .
Commercial Service Tools ....................................... 7 . REMOVAL .......................................................... 22 .
K
NOISE, VIBRATION AND HARSHNESS (NVH) INSPECTION AFTER REMOVAL ...................... 24 .
TROUBLESHOOTING ............................................. 10 . INSTALLATION .................................................. 24 .
NVH Troubleshooting -- Engine Noise ................. 10 . OIL PAN AND OIL STRAINER ................................ 26 .
Use the Chart Below to Help You Find the Cause Removal and Installation ....................................... 26 . L
of the Symptom. .....................................................11 . REMOVAL .......................................................... 26 .
DRIVE BELTS .......................................................... 12 . INSPECTION AFTER REMOVAL ...................... 28 .
Checking Drive Belts ............................................. 12 . INSTALLATION .................................................. 28 . M
Tension Adjustment ............................................... 12 . INSPECTION AFTER INSTALLATION ............... 30 .
Removal and Installation ....................................... 12 . IGNITION COIL ........................................................ 31 .
REMOVAL .......................................................... 12 . Removal and Installation ....................................... 31 .
INSTALLATION .................................................. 13 . REMOVAL .......................................................... 31 .
INSPECTION AFTER INSTALLATION .............. 13 . INSTALLATION .................................................. 31 .
Components .......................................................... 13 . SPARK PLUG (IRIDIUM-TIPPED TYPE) ................ 32 .
Removal and Installation of Drive Belt Auto-Ten- Removal and Installation ....................................... 32 .
sioner .................................................................... 13
. REMOVAL .......................................................... 32 .
REMOVAL .......................................................... 13 . INSPECTION AFTER REMOVAL ...................... 32 .
INSTALLATION .................................................. 14 . INSTALLATION .................................................. 33 .
AIR CLEANER AND AIR DUCT .............................. 15 . FUEL INJECTOR AND FUEL TUBE ....................... 34 .
Removal and Installation ....................................... 15 . Removal and Installation ....................................... 34 .
REMOVAL .......................................................... 15 . REMOVAL .......................................................... 34 .
INSPECTION AFTER REMOVAL ...................... 16 . INSTALLATION .................................................. 37 .
INSPECTION AFTER INSTALLATION ............... 39 .
Revision: 2006 November EM-1 2007 350Z
ROCKER COVER .................................................... 40 . CYLINDER BLOCK ................................................ 107 .
Removal and Installation ....................................... 40 . Disassembly and Assembly ................................. 107 .
REMOVAL .......................................................... 40
. DISASSEMBLY ................................................. 108 .
INSTALLATION ................................................... 42. ASSEMBLY ....................................................... 111 .
FRONT TIMING CHAIN CASE ................................ 44 . How to Select Piston and Bearing ....................... 119 .
Removal and Installation ....................................... 44 . DESCRIPTION ................................................. 119 .
REMOVAL .......................................................... 44
. HOW TO SELECT PISTON .............................. 119 .
INSTALLATION ................................................... 47. HOW TO SELECT CONNECTING ROD BEAR-
INSPECTION AFTER INSTALLATION ............... 51 . ING .................................................................... 120
.
TIMING CHAIN ......................................................... 53
. HOW TO SELECT MAIN BEARING ................. 122 .
Removal and Installation ....................................... 53 . Inspection After Disassembly ............................... 125 .
REMOVAL .......................................................... 54
. CRANKSHAFT END PLAY ............................... 125 .
INSPECTION AFTER REMOVAL ....................... 60 . CONNECTING ROD SIDE CLEARANCE ........ 125 .
INSTALLATION ................................................... 60. PISTON TO PISTON PIN OIL CLEARANCE .... 125 .
INSPECTION AFTER INSTALLATION ............... 71 . PISTON RING SIDE CLEARANCE .................. 126 .
CAMSHAFT .............................................................. 72
. PISTON RING END GAP ................................. 126 .
Removal and Installation ....................................... 72 . CONNECTING ROD BEND AND TORSION .... 127 .
REMOVAL .......................................................... 72
. CONNECTING ROD BIG END DIAMETER ..... 127 .
INSPECTION AFTER REMOVAL ....................... 74 . CONNECTING ROD BUSHING OIL CLEAR-
INSTALLATION ................................................... 77. ANCE ................................................................ 127
.
INSPECTION AFTER INSTALLATION ............... 79 . CYLINDER BLOCK DISTORTION ................... 128 .
Valve Clearance ..................................................... 80
. MAIN BEARING HOUSING INNER DIAMETER.129
INSPECTION ...................................................... 80
. PISTON TO CYLINDER BORE CLEARANCE . 129
ADJUSTMENT ................................................... 84 . CRANKSHAFT MAIN JOURNAL DIAMETER .. 130 .
OIL SEAL ................................................................. 86
. CRANKSHAFT PIN JOURNAL DIAMETER ..... 131 .
Removal and Installation of Valve Oil Seal ............ 86 . CRANKSHAFT OUT-OF-ROUND AND TAPER.131
REMOVAL .......................................................... 86
. CRANKSHAFT RUNOUT ................................. 131 .
INSTALLATION ................................................... 86. CONNECTING ROD BEARING OIL CLEAR-
Removal and Installation of Front Oil Seal ............ 87 . ANCE ................................................................ 131
.
REMOVAL .......................................................... 87
. MAIN BEARING OIL CLEARANCE .................. 132 .
INSTALLATION ................................................... 87. CRUSH HEIGHT OF MAIN BEARING ............. 133 .
Removal and Installation of Rear Oil Seal ............. 87 . CRUSH HEIGHT OF CONNECTING ROD
REMOVAL .......................................................... 87
. BEARING .......................................................... 133 .
INSTALLATION ................................................... 88. LOWER CYLINDER BLOCK BOLT OUTER
CYLINDER HEAD .................................................... 89 . DIAMETER ....................................................... 133 .
On-Vehicle Service ................................................ 89
. CONNECTING ROD BOLT OUTER DIAMETER.134
CHECKING COMPRESSION PRESSURE ........ 89 . FLYWHEEL DEFLECTION (M/T MODELS) ..... 134 .
Removal and Installation ....................................... 90 . MOVEMENT AMOUNT OF FLYWHEEL (M/T
REMOVAL .......................................................... 90
. MODELS) .......................................................... 134 .
INSPECTION AFTER REMOVAL ....................... 91 . DRIVE PLATE (A/T MODELS) .......................... 135 .
INSTALLATION ................................................... 92. OIL JET ............................................................. 135
.
INSPECTION AFTER INSTALLATION ............... 93 . OIL JET RELIEF VALVE ................................... 135 .
Disassembly and Assembly ................................... 94 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 136 .
DISASSEMBLY .................................................. 94 . Standard and Limit ............................................... 136 .
ASSEMBLY ........................................................ 95
. GENERAL SPECIFICATIONS .......................... 136 .
Inspection After Disassembly ................................ 96 . INTAKE MANIFOLD COLLECTOR, INTAKE
VALVE DIMENSIONS ......................................... 96 . MANIFOLD AND EXHAUST MANIFOLD ......... 136 .
VALVE GUIDE CLEARANCE ............................. 97 . SPARK PLUG ................................................... 137 .
VALVE GUIDE REPLACEMENT ........................ 97 . CAMSHAFT AND CAMSHAFT BEARING ........ 137 .
VALVE SEAT CONTACT .................................... 99 . CYLINDER HEAD ............................................. 139 .
VALVE SEAT REPLACEMENT .......................... 99 . CYLINDER BLOCK ........................................... 142 .
VALVE SPRING SQUARENESS ...................... 100 . PISTON, PISTON RING AND PISTON PIN ..... 143 .
VALVE SPRING DIMENSIONS AND VALVE CONNECTING ROD ......................................... 144 .
SPRING PRESSURE LOAD ............................ 100 . CRANKSHAFT .................................................. 145 .
ENGINE ASSEMBLY ............................................. 101 . MAIN BEARING ................................................ 146 .
Removal and Installation ..................................... 101 . CONNECTING ROD BEARING ........................ 147 .
REMOVAL ........................................................ 102
.
INSTALLATION ................................................. 104 .
INSPECTION AFTER INSTALLATION ............. 106 .
Revision: 2006 November EM-2 2007 350Z
PRECAUTIONS
PRECAUTIONS PFP:00001
A
Precautions for Procedures without Cowl Top Cover NBS003FC
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc. EM
C
D
PIIB3706J
E
Precautions for Battery Service NBS003FD
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 F
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 for Drain Engine Coolant and Engine Oil NBS00002 G
Drain engine coolant and engine oil when engine is cooled.
Precautions for Disconnecting Fuel Piping NBS00003
H
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. I
Precautions for Removal and Disassembly NBS00004
q When instructed to use special service tools, use specified tools. Always be careful to work safely, avoid J
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 equivalent, if necessary, to seal out foreign materials. K
q Mark and arrange disassembly parts in an organized way for easy troubleshooting and re-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 L
used in the step.
Precautions for Inspection, Repair and Replacement NBS00005
M
Before repairing or replacing, thoroughly inspect parts. Inspect new replacement parts in the same way, and
replace if necessary.
Precautions for Assembly and Installation NBS00006
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-
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 with dowel pins, make
sure that dowel pins are installed in the original portion.
q Thoroughly wash, clean, and air-blow each part. Carefully check engine oil or engine coolant passages for
any restriction and blockage.
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.
Revision: 2006 November EM-3 2007 350Z
PRECAUTIONS
q After repairing, start engine and increase engine speed to check engine coolant, fuel, engine oil, and
exhaust gases for leakage.
Parts Requiring Angle Tightening NBS00007
q Use angle wrench [SST: KV10112100 (BT8653-A)] for the final tightening of the following engine parts:
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