2009 INFINITI QX56 Factory Service Manual

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Page 1817 of 4171

INFINITI QX56 2009 Factory Service Manual
EC-490
< ON-VEHICLE MAINTENANCE >[VK56DE]
EVAP LEAK CHECK
3. Apply battery voltage between the terminals of EVAP
canister vent control valve to make a closed EVAP
system.
4. To locate the leak, deli

Page 1818 of 4171

INFINITI QX56 2009 Factory Service Manual
EVAP CANISTEREC-491
< ON-VEHICLE REPAIR > [VK56DE]
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ON-VEHICLE REPAIR
EVAP CANISTER
Removal and InstallationINFOID:0000000003771748
EVAP CANISTER
Tighten EVAP canister

Page 1819 of 4171

INFINITI QX56 2009 Factory Service Manual
EC-492
< ON-VEHICLE REPAIR >[VK56DE]
INTAKE VALVE TIMING CONTROL
INTAKE VALVE TIMING CONTROL
Intake Valve Timing Control Solenoid Valve (LH)INFOID:0000000003771750
REMOVAL
1. Remove engine room cover

Page 1820 of 4171

INFINITI QX56 2009 Factory Service Manual
INTAKE VALVE TIMING CONTROLEC-493
< ON-VEHICLE REPAIR > [VK56DE]
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Intake Valve Timing Control Position Sensor (LH)INFOID:0000000003771752
REMOVAL
1. Remove engine room

Page 1821 of 4171

INFINITI QX56 2009 Factory Service Manual
EC-494
< ON-VEHICLE REPAIR >[VK56DE]
INTAKE VALVE TIMING CONTROL
4. Remove camshaft position sensor (2) from Intake valve timing
control solenoid valve cover (LH) (1).
INSTALLATION
Installation is in

Page 1822 of 4171

INFINITI QX56 2009 Factory Service Manual
SERVICE DATA AND SPECIFICATIONS (SDS)
EC-495
< SERVICE DATA AND SPECIFICATIONS (SDS) [VK56DE]
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (S

Page 1823 of 4171

INFINITI QX56 2009 Factory Service Manual
EC-496
< SERVICE DATA AND SPECIFICATIONS (SDS) [VK56DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
Heated Oxygen sensor 2 Heater
INFOID:0000000003771762
Crankshaft Position Sensor (POS)INFOID:000000000377

Page 1824 of 4171

INFINITI QX56 2009 Factory Service Manual EM-1
ENGINE
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SECTION EM
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CONTENTS
ENGINE MECHANICAL
PRECAUTION ....... ........................................3
PRECAUTIONS .............................................

EM-1
ENGINE
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SECTION EM
A
EM
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CONTENTS
ENGINE MECHANICAL
PRECAUTION ....... ........................................3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
3
Precaution for Drain Engine Coolant .........................4
Precaution for Disconnecting Fuel Piping .................4
Precaution for Removal and Disassembly ................4
Precaution for Inspection, Repair and Replace-
ment .................................................................... ......
4
Precaution for Assembly and Installation ..................4
Parts Requiring Angular Tightening ..........................4
Precaution for Liquid Gasket ............................... ......5
PREPARATION ............................................6
PREPARATION .............................................. .....6
Special Service Tool ........................................... ......6
Commercial Service Tool ..........................................8
FUNCTION DIAGNOSIS ..............................10
NOISE, VIBRATION, AND HARSHNESS
(NVH) TROUBLESHOOTING ........................ ....
10
NVH Troubleshooting - Engine Noise ................. ....10
Use the Chart Below to Help You Find the Cause
of the Symptom .......................................................
11
ON-VEHICLE MAINTENANCE ....................13
DRIVE BELTS ................................................ ....13
Exploded View .................................................... ....13
Checking Drive Belts ...............................................13
Removal and Installation .........................................13
Drive Belt Auto Tensioner and Idler Pulley ......... ....14
AIR CLEANER FILTER ......................................15
Exploded View .................................................... ....15
Removal and Installation (Viscous paper type) .......15
SPARK PLUG ...................................................16
Exploded View ..................................................... ....16
Removal and Installation .........................................16
CAMSHAFT VALVE CLEARANCE ..................18
Valve Clearance ......................................................18
COMPRESSION PRESSURE ...........................23
Checking Compression Pressure ............................23
ON-VEHICLE REPAIR .................................24
ENGINE ROOM COVER ...................................24
Removal and Installation ..................................... ....24
AIR CLEANER AND AIR DUCT .......................25
Exploded View .........................................................25
Removal and Installation .........................................25
INTAKE MANIFOLD .........................................26
Exploded View .........................................................26
Removal and Installation .........................................26
EXHAUST MANIFOLD AND THREE WAY
CATALYST ........................................................
30
Exploded View .........................................................30
Removal and Installation .........................................30
OIL PAN AND OIL STRAINER .........................33
Exploded View .........................................................33
Removal and Installation .........................................33
IGNITION COIL .................................................37
Exploded View .........................................................37
Removal and Installation .........................................37
ROCKER COVER .............................................38
Exploded View .........................................................38
Removal and Installation .........................................38
FUEL INJECTOR AND FUEL TUBE ................40
Exploded View .........................................................40
Removal and Installation .........................................40
Revision: December 20092009 QX56

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