Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Murano 2003-2007.2009 Approved Nissan Murano 2003 em
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ENGINE MECHANICAL
B ENGINE
A
SECTION
ENGINE MECHANICAL
EM EM
C
D
E
CONTENTS
PRECAUTIONS ......................................................... 3 . INTAKE MANIFOLD ................................................ 20 . F
Precautions for Drain Engine Coolant ..................... 3 . Removal and Installation ....................................... 20 .
Precautions for Disconnecting Fuel Piping ............. 3 . REMOVAL .......................................................... 20 .
Precautions for Removal and Disassembly ............ 3 . INSPECTION AFTER REMOVAL ...................... 20 . G
Precautions for Inspection, Repair and Replace- INSTALLATION .................................................. 21 .
ment ........................................................................ 3
. EXHAUST MANIFOLD AND THREE WAY CATA-
Precautions for Assembly and Installation .............. 3 . LYST ......................................................................... 22
.
H
Parts Requiring Angular Tightening ........................ 3 . Removal and Installation ....................................... 22 .
Precautions for Liquid Gasket ................................. 4 . REMOVAL .......................................................... 22 .
REMOVAL OF LIQUID GASKET SEALING ......... 4 . INSPECTION AFTER REMOVAL ...................... 24 .
LIQUID GASKET APPLICATION PROCEDURE 4 ..... INSTALLATION .................................................. 24 . I
PREPARATION .......................................................... 5 . OIL PAN AND OIL STRAINER ................................ 26 .
Special Service Tools .............................................. 5 . Removal and Installation ....................................... 26 .
Commercial Service Tools ....................................... 7 . REMOVAL .......................................................... 26 . J
NOISE, VIBRATION AND HARSHNESS (NVH) INSPECTION AFTER REMOVAL ...................... 31 .
TROUBLESHOOTING ............................................... 9 . INSTALLATION .................................................. 31 .
NVH Troubleshooting --Engine Noise .................... 9 . INSPECTION AFTER INSTALLATION ............... 34 .
K
Use the Chart Below to Help You Find the Cause IGNITION COIL ........................................................ 35 .
of the Symptom. .................................................... 10 . Removal and Installation ....................................... 35 .
DRIVE BELTS ...........................................................11 . REMOVAL .......................................................... 35 .
Checking Drive Belts ..............................................11 . INSTALLATION .................................................. 35 . L
Tension Adjustment ................................................11 . SPARK PLUG (PLATINUM-TIPPED TYPE) ............ 36 .
ALTERNATOR AND AIR CONDITIONER COM- Removal and Installation ....................................... 36 .
PRESSOR BELT ................................................ 12 . REMOVAL .......................................................... 36 . M
POWER STEERING OIL PUMP BELT .............. 12 . INSPECTION AFTER REMOVAL ...................... 36 .
Removal and Installation ....................................... 12 . INSTALLATION .................................................. 37 .
REMOVAL .......................................................... 12 . FUEL INJECTOR AND FUEL TUBE ....................... 38 .
INSTALLATION .................................................. 13 . Removal and Installation ....................................... 38 .
AIR CLEANER AND AIR DUCT .............................. 14 . REMOVAL .......................................................... 38 .
Removal and Installation ....................................... 14 . INSTALLATION .................................................. 40 .
REMOVAL .......................................................... 14 . INSPECTION AFTER INSTALLATION ............... 42 .
INSTALLATION .................................................. 15 . ROCKER COVER .................................................... 43 .
CHANGING AIR CLEANER FILTER .................. 15 . Removal and Installation ....................................... 43 .
INTAKE MANIFOLD COLLECTOR ......................... 16 . REMOVAL .......................................................... 43 .
Removal and Installation ....................................... 16 . INSTALLATION .................................................. 44 .
REMOVAL .......................................................... 17 . FRONT TIMING CHAIN CASE ................................ 46 .
INSPECTION AFTER REMOVAL ...................... 18 . Removal and Installation ....................................... 46 .
INSTALLATION .................................................. 18 . REMOVAL .......................................................... 46 .
INSTALLATION .................................................. 48 .
Revision; 2004 April EM-1 2003 Murano
TIMING CHAIN ......................................................... 54
. HOW TO SELECT CONNECTING ROD BEAR-
Removal and Installation ....................................... 54 . ING .................................................................... 111
.
REMOVAL .......................................................... 55
. HOW TO SELECT MAIN BEARING ................. 112 .
INSPECTION AFTER REMOVAL ....................... 60 . Inspection After Disassembly ............................... 115 .
INSTALLATION ................................................... 60. CRANKSHAFT SIDE CLEARANCE ................. 115 .
INSPECTION AFTER INSTALLATION ............... 69 . CONNECTING ROD SIDE CLEARANCE ........ 115 .
CAMSHAFT .............................................................. 70
. PISTON AND PISTON PIN CLEARANCE ........ 115 .
Removal and Installation ....................................... 70 . PISTON RING SIDE CLEARANCE .................. 116 .
REMOVAL .......................................................... 71
. PISTON RING END GAP ................................. 116 .
INSPECTION AFTER REMOVAL ....................... 72 . CONNECTING ROD BEND AND TORSION .... 116 .
INSTALLATION ................................................... 74. CONNECTING ROD BEARING HOUSING
Valve Clearance ..................................................... 77
. DIAMETER (BIG END) ..................................... 117 .
INSPECTION ...................................................... 77
. CONNECTING ROD BUSHING OIL CLEAR-
ADJUSTMENT ................................................... 79 . ANCE (SMALL END) ........................................ 117 .
OIL SEAL ................................................................. 81
. CYLINDER BLOCK DISTORTION ................... 118 .
Removal and Installation of Valve Oil Seal ............ 81 . INNER DIAMETER OF MAIN BEARING HOUS-
REMOVAL .......................................................... 81
. ING .................................................................... 118
.
INSTALLATION ................................................... 81. PISTON TO CYLINDER BORE CLEARANCE . 119
Removal and Installation of Front Oil Seal ............ 82 . OUTER DIAMETER OF CRANKSHAFT JOUR-
REMOVAL .......................................................... 82
. NAL ................................................................... 120
.
INSTALLATION ................................................... 83. OUTER DIAMETER OF CRANKSHAFT PIN ... 120 .
Removal and Installation of Rear Oil Seal ............. 83 . OUT-OF-ROUND AND TAPER OF CRANK-
REMOVAL .......................................................... 83
. SHAFT .............................................................. 120
.
INSTALLATION ................................................... 83. CRANKSHAFT RUNOUT ................................. 121 .
CYLINDER HEAD .................................................... 84 . OIL CLEARANCE OF CONNECTING ROD
On-Vehicle Service ................................................ 84
. BEARING .......................................................... 121 .
CHECKING COMPRESSION PRESSURE ........ 84 . OIL CLEARANCE OF MAIN BEARING ............ 122 .
Removal and Installation ....................................... 85 . CRUSH HEIGHT OF MAIN BEARING ............. 122 .
REMOVAL .......................................................... 85
. CRUSH HEIGHT OF CONNECTING ROD
INSPECTION AFTER REMOVAL ....................... 86 . BEARING .......................................................... 122 .
INSTALLATION ................................................... 86. OUTER DIAMETER OF MAIN BEARING CAP
Disassembly and Assembly ................................... 88 . BOLT ................................................................. 123
.
DISASSEMBLY .................................................. 88 . OUTER DIAMETER OF CONNECTING ROD
Inspection After Disassembly ................................ 89 . BOLT ................................................................. 123
.
CYLINDER HEAD DISTORTION ....................... 89 . SIGNAL PLATE ................................................. 123 .
VALVE DIMENSIONS ......................................... 89 . OIL JET ............................................................. 123
.
VALVE GUIDE CLEARANCE ............................. 89 . OIL JET RELIEF VALVE ...................................123 .
VALVE GUIDE REPLACEMENT ........................ 90 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 124 .
VALVE SEAT CONTACT .................................... 91 . Standard and Limit ............................................... 124 .
VALVE SEAT REPLACEMENT .......................... 92 . GENERAL SPECIFICATIONS .......................... 124 .
VALVE SPRING SQUARENESS ........................ 93 . INTAKE MANIFOLD COLLECTOR, INTAKE
VALVE SPRING DIMENSIONS AND VALVE MANIFOLD AND EXHAUST MANIFOLD ......... 124 .
SPRING PRESSURE LOAD .............................. 93 . DRIVE BELT ..................................................... 125 .
ASSEMBLY ........................................................ 93
. SPARK PLUG ................................................... 125 .
ENGINE ASSEMBLY ............................................... 95 . CYLINDER HEAD ............................................. 125 .
Removal and Installation ....................................... 95 . VALVE ............................................................... 126
.
REMOVAL .......................................................... 96
. CAMSHAFT AND CAMSHAFT BEARING ........ 130 .
INSTALLATION ................................................... 99. CYLINDER BLOCK ........................................... 130 .
INSPECTION AFTER INSTALLATION ............... 99 . PISTON, PISTON RING AND PISTON PIN ..... 131 .
CYLINDER BLOCK ................................................ 100 . CONNECTING ROD ......................................... 132 .
Disassembly and Assembly ................................. 100 . CRANKSHAFT .................................................. 133 .
DISASSEMBLY ................................................ 101 . AVAILABLE MAIN BEARING ............................ 134 .
ASSEMBLY ...................................................... 104. CONNECTING ROD BEARING ........................ 134 .
How to Select Piston and Bearing ....................... 110 . BEARING CLEARANCE ................................... 135 .
DESCRIPTION ................................................. 110 . Tightening Torque ................................................ 135 .
HOW TO SELECT PISTON .............................. 110 .
Revision; 2004 April EM-2 2003 Murano
PRECAUTIONS
PRECAUTIONS PFP:00001
A
Precautions for Drain Engine Coolant ABS004RJ
Drain engine coolant when engine is cooled.
EM
Precautions for Disconnecting Fuel Piping ABS004RK
q Before starting work, make sure no fire or spark producing items are in the work area.
q Release fuel pressure before disassembly. C
q After disconnecting pipes, plug openings to stop fuel leakage.
Precautions for Removal and Disassembly ABS004RL
D
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. E
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 re-assembly.
q When loosening nuts and bolts, as a basic rule, start with the one furthest outside, then the one diagonally F
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.
Precautions for Inspection, Repair and Replacement ABS004RM G
Before repairing or replacing, thoroughly inspect parts. Inspect new replacement parts in the same way, and
replace if necessary.
H
Precautions for Assembly and Installation ABS004RN
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 I
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. J
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. K
Before assembly, oil sliding surfaces well.
q Release air within route when refilling after draining engine coolant.
q After repairing, start engine and increase engine speed to check engine coolant, fuel, engine oil, and L
exhaust systems for leakage.
Parts Requiring Angular Tightening ABS004RO
M
q Use an angle wrench for the final tightening of the following engine parts:
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