Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Murano 2003-2007.2009 Approved Nissan Murano 2007 EM
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ENGINE MECHANICAL
B ENGINE
A
EM
SECTION
ENGINE MECHANICAL C
D
E
CONTENTS
PRECAUTIONS ......................................................... 3 . INTAKE MANIFOLD COLLECTOR ......................... 18 . F
Precautions for Procedures without Cowl Top Cover 3 ..... Removal and Installation ....................................... 18 .
Precautions for Drain Engine Coolant and Engine REMOVAL .......................................................... 18 .
Oil ............................................................................ 3
. INSPECTION AFTER REMOVAL ...................... 21 . G
Precautions for Disconnecting Fuel Piping ............. 3 . INSTALLATION .................................................. 21 .
Precautions for Removal and Disassembly ............ 3 . INTAKE MANIFOLD ................................................ 23 .
Precautions for Inspection, Repair and Replace- Removal and Installation ....................................... 23 .
H
ment ........................................................................ 3
. REMOVAL .......................................................... 23 .
Precautions for Assembly and Installation .............. 3 . INSPECTION AFTER REMOVAL ...................... 24 .
Precautions for Angle Tightening ............................ 4 . INSTALLATION .................................................. 24 .
Precautions for Liquid Gasket ................................. 4 . EXHAUST MANIFOLD AND THREE WAY CATA- I
REMOVAL OF LIQUID GASKET SEALING ......... 4 . LYST ......................................................................... 25
.
LIQUID GASKET APPLICATION PROCEDURE 4 ..... Removal and Installation ....................................... 25 .
PREPARATION .......................................................... 6 . REMOVAL .......................................................... 25 . J
Special Service Tools .............................................. 6 . INSPECTION AFTER REMOVAL ...................... 27 .
Commercial Service Tools ....................................... 8 . INSTALLATION .................................................. 27 .
NOISE, VIBRATION AND HARSHNESS (NVH) OIL PAN AND OIL STRAINER ................................ 29 .
K
TROUBLESHOOTING ..............................................11 . Removal and Installation ....................................... 29 .
NVH Troubleshooting -- Engine Noise ..................11 . REMOVAL .......................................................... 29 .
Use the Chart Below to Help You Find the Cause INSTALLATION .................................................. 34 .
of the Symptom. .................................................... 12 . INSPECTION AFTER INSTALLATION ............... 37 . L
DRIVE BELTS .......................................................... 13 . IGNITION COIL ........................................................ 38 .
Checking Drive Belts ............................................. 13 . Removal and Installation ....................................... 38 .
Tension Adjustment ............................................... 13 . REMOVAL .......................................................... 38 . M
ALTERNATOR AND A/C COMPRESSOR BELT 14 ... INSTALLATION .................................................. 38 .
POWER STEERING OIL PUMP BELT .............. 14 . SPARK PLUG (PLATINUM-TIPPED TYPE) ............ 39 .
Removal and Installation ....................................... 15 . Removal and Installation ....................................... 39 .
REMOVAL .......................................................... 15 . REMOVAL .......................................................... 39 .
INSTALLATION .................................................. 15 . INSPECTION AFTER REMOVAL ...................... 39 .
AIR CLEANER AND AIR DUCT .............................. 16 . INSTALLATION .................................................. 40 .
Removal and Installation ....................................... 16 . FUEL INJECTOR AND FUEL TUBE ....................... 41 .
REMOVAL .......................................................... 16 . Removal and Installation ....................................... 41 .
INSPECTION AFTER REMOVAL ...................... 17 . REMOVAL .......................................................... 41 .
INSTALLATION .................................................. 17 . INSTALLATION .................................................. 44 .
Changing Air Cleaner Filter ................................... 17 . INSPECTION AFTER INSTALLATION ............... 46 .
REMOVAL .......................................................... 17 . ROCKER COVER .................................................... 47 .
INSTALLATION .................................................. 17 . Removal and Installation ....................................... 47 .
REMOVAL .......................................................... 47 .
INSTALLATION .................................................. 48 .
Revision: 2006 July EM-1 2007 Murano
FRONT TIMING CHAIN CASE ................................ 50 . CYLINDER BLOCK ................................................ 114 .
Removal and Installation ....................................... 50 . Disassembly and Assembly ................................. 114 .
REMOVAL .......................................................... 50
. DISASSEMBLY ................................................. 115 .
INSTALLATION ................................................... 54. ASSEMBLY ....................................................... 120 .
INSPECTION AFTER INSTALLATION ............... 58 . How to Select Piston and Bearing ....................... 126 .
TIMING CHAIN ......................................................... 60
. DESCRIPTION ................................................. 126 .
Removal and Installation ....................................... 60 . HOW TO SELECT PISTON .............................. 127 .
REMOVAL .......................................................... 61
. HOW TO SELECT CONNECTING ROD BEAR-
INSPECTION AFTER REMOVAL ....................... 67 . ING .................................................................... 128
.
INSTALLATION ................................................... 68. HOW TO SELECT MAIN BEARING ................. 129 .
INSPECTION AFTER INSTALLATION ............... 78 . Inspection after Disassembly ............................... 132 .
CAMSHAFT .............................................................. 79
. CRANKSHAFT END PLAY ............................... 132 .
Removal and Installation ....................................... 79 . CONNECTING ROD SIDE CLEARANCE ........ 132 .
REMOVAL .......................................................... 79
. PISTON TO PISTON PIN OIL CLEARANCE .... 132 .
INSPECTION AFTER REMOVAL ....................... 81 . PISTON RING SIDE CLEARANCE .................. 133 .
INSTALLATION ................................................... 84. PISTON RING END GAP ................................. 133 .
INSPECTION AFTER INSTALLATION ............... 86 . CONNECTING ROD BEND AND TORSION .... 134 .
Valve Clearance ..................................................... 88
. CONNECTING ROD BIG END DIAMETER ..... 134 .
INSPECTION ...................................................... 88
. CONNECTING ROD BUSHING OIL CLEAR-
ADJUSTMENT ................................................... 91 . ANCE ................................................................ 134
.
OIL SEAL ................................................................. 93
. CYLINDER BLOCK DISTORTION ................... 135 .
Removal and Installation of Valve Oil Seal ............ 93 . MAIN BEARING HOUSING INNER DIAMETER.136
REMOVAL .......................................................... 93
. PISTON TO CYLINDER BORE CLEARANCE . 136
INSTALLATION ................................................... 93. CRANKSHAFT MAIN JOURNAL DIAMETER .. 137 .
Removal and Installation of Front Oil Seal ............ 94 . CRANKSHAFT PIN JOURNAL DIAMETER ..... 138 .
REMOVAL .......................................................... 94
. CRANKSHAFT OUT-OF-ROUND AND TAPER.138
INSTALLATION ................................................... 94. CRANKSHAFT RUNOUT ................................. 138 .
Removal and Installation of Rear Oil Seal ............. 94 . CONNECTING ROD BEARING OIL CLEAR-
REMOVAL .......................................................... 94
. ANCE ................................................................ 138
.
INSTALLATION ................................................... 95. MAIN BEARING OIL CLEARANCE .................. 139 .
CYLINDER HEAD .................................................... 96 . CRUSH HEIGHT OF MAIN BEARING ............. 140 .
On-Vehicle Service ................................................ 96
. CRUSH HEIGHT OF CONNECTING ROD
CHECKING COMPRESSION PRESSURE ........ 96 . BEARING .......................................................... 140 .
Removal and Installation ....................................... 97 . MAIN BEARING CAP BOLT OUTER DIAMETER .140
REMOVAL .......................................................... 97
. CONNECTING ROD BOLT OUTER DIAMETER.141
INSPECTION AFTER REMOVAL ....................... 98 . DRIVE PLATE ................................................... 141 .
INSTALLATION ................................................... 99. OIL JET ............................................................. 141
.
INSPECTION AFTER INSTALLATION ............. 100 . OIL JET RELIEF VALVE ................................... 141 .
Disassembly and Assembly ................................. 101 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 142 .
DISASSEMBLY ................................................ 101 . Standard and Limit ............................................... 142 .
ASSEMBLY ...................................................... 102. GENERAL SPECIFICATIONS .......................... 142 .
Inspection after Disassembly ............................... 103 . DRIVE BELT ..................................................... 143 .
VALVE DIMENSIONS ....................................... 103 . INTAKE MANIFOLD COLLECTOR, INTAKE
VALVE GUIDE CLEARANCE ........................... 103 . MANIFOLD AND EXHAUST MANIFOLD ......... 143 .
VALVE GUIDE REPLACEMENT ...................... 104 . SPARK PLUG ................................................... 143 .
VALVE SEAT CONTACT .................................. 105 . CAMSHAFT AND CAMSHAFT BEARING ........ 144 .
VALVE SEAT REPLACEMENT ........................ 105 . CYLINDER HEAD ............................................. 146 .
VALVE SPRING SQUARENESS ...................... 106 . CYLINDER BLOCK ........................................... 149 .
VALVE SPRING DIMENSIONS AND VALVE PISTON, PISTON RING AND PISTON PIN ..... 150 .
SPRING PRESSURE LOAD ............................ 107 . CONNECTING ROD ......................................... 151 .
ENGINE ASSEMBLY ............................................. 108 . CRANKSHAFT .................................................. 152 .
Removal and Installation ..................................... 108 . MAIN BEARING ................................................ 153 .
REMOVAL ........................................................ 109
. CONNECTING ROD BEARING ........................ 154 .
INSTALLATION ................................................. 112 .
INSPECTION AFTER INSTALLATION ............. 112 .
Revision: 2006 July EM-2 2007 Murano
PRECAUTIONS
PRECAUTIONS PFP:00001
A
Precautions for Procedures without Cowl Top Cover NBS002W9
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 Drain Engine Coolant and Engine Oil NBS0028X
Drain engine coolant and engine oil when the engine is cooled.
Precautions for Disconnecting Fuel Piping NBS0028Y
F
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. G
q After disconnecting pipes, plug openings to stop fuel leakage.
Precautions for Removal and Disassembly NBS0028Z
H
q When instructed to use SST, 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.
I
q Dowel pins are used for several parts alignment. When replacing and reassembling parts with dowel pins,
make sure that dowel pins are installed in the original position.
q Cover openings of engine system with a tape or the equivalent, if necessary, to seal out foreign materials. J
q Mark and arrange disassembly parts in an organized way for easy troubleshooting and re-assembly.
q When loosening nuts and bolts, 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 K
used in the step.
Precautions for Inspection, Repair and Replacement NBS00290
Before repairing or replacing, thoroughly inspect parts. Inspect new replacement parts in the same way, and L
replace if necessary.
Precautions for Assembly and Installation NBS00291
M
q Use torque wrench to tighten bolts or nuts to specification.
q When tightening nuts and bolts, 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 parts with dowel pins,
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.
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.
q After repairing, start the engine and increase engine speed to check engine coolant, fuel, engine oil, and
exhaust gases for leakage.
Revision: 2006 July EM-3 2007 Murano
PRECAUTIONS
Precautions for Angle Tightening NBS00292
q Use the angle wrench [SST: KV10112100 (BT8653-A)] for the final tightening of the following engine parts:
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