2008 NISSAN TEANA Service Manual

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Page 1873 of 5121

NISSAN TEANA 2008 Service Manual EC-412
< ON-VEHICLE MAINTENANCE >[VQ25DE, VQ35DE]
FUEL PRESSURE
10. Before disconnecting Fuel Pressure Gauge and Fuel Pressure Adapter, release fuel pressure to zero.

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NISSAN TEANA 2008 Service Manual EVAPORATIVE EMISSION SYSTEM
EC-413
< ON-VEHICLE REPAIR >[VQ25DE, VQ35DE]
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ON-VEHICLE REPAIR
EVAPORATIVE EMISSION SYSTEM
InspectionINFOID:0000000003932067
1. Visually ins

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NISSAN TEANA 2008 Service Manual EC-414
< SERVICE DATA AND SPECIFICATIONS (SDS) [VQ25DE, VQ35DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Idle SpeedINFOID:00000

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NISSAN TEANA 2008 Service Manual EM-1
ENGINE
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SECTION EM
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CONTENTS
ENGINE MECHANICAL
SYMPTOM DIAGNOSIS ...............................3
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING ..........

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ENGINE
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SECTION EM
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CONTENTS
ENGINE MECHANICAL
SYMPTOM DIAGNOSIS ...............................3
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING .............................
3
NVH Troubleshooting - Engine Noise .......................3
Use the Chart Below to Help You Find the Cause
of the Symptom .........................................................
4
PRECAUTION ...............................................5
PRECAUTIONS ...................................................5
Precaution for Procedure without Cowl Top Cover ......5
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...................................................................
5
Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect .....................................
5
Precaution for Drain Engine Coolant and Engine
Oil ..............................................................................
6
Precaution for Disconnecting Fuel Piping .................6
Precaution for Removal and Disassembly ................6
Precaution for Inspection, Repair and Replace-
ment ..........................................................................
6
Precaution for Assembly and Installation ..................6
Precaution for Angle Tightening ................................6
Precaution for Liquid Gasket .....................................7
PREPARATION ............................................8
PREPARATION ...................................................8
Special Service Tool .................................................8
Commercial Service Tool ..........................................9
ON-VEHICLE MAINTENANCE ....................12
DRIVE BELT .......................................................12
Exploded View ........................................................12
Checking .................................................................12
Tension Adjustment ................................................12
Removal and Installation .........................................12
AIR CLEANER FILTER ......................................14
Removal and Installation .........................................14
SPARK PLUG ...................................................15
Exploded View .........................................................15
Removal and Installation .........................................15
Inspection ................................................................16
CAMSHAFT VALVE CLEARANCE ..................17
Inspection and Adjustment ......................................17
COMPRESSION PRESSURE ...........................22
Inspection ................................................................22
ON-VEHICLE REPAIR .................................24
ENGINE COVER ...............................................24
Exploded View .........................................................24
Removal and Installation .........................................24
DRIVE BELT AUTO TENSIONER AND IDLER
PULLEY .............................................................
25
Exploded View .........................................................25
Removal and Installation .........................................25
AIR CLEANER AND AIR DUCT .......................26
Exploded View .........................................................26
Removal and Installation .........................................26
Inspection ................................................................27
INTAKE MANIFOLD COLLECTOR ..................28
Exploded View .........................................................28
Removal and Installation .........................................29
INTAKE MANIFOLD .........................................32
Exploded View .........................................................32
Removal and Installation .........................................32
Inspection ................................................................33
EXHAUST MANIFOLD AND THREE WAY
CATALYST ........................................................
34
Exploded View .........................................................34
Removal and Installation .........................................34
Inspection ................................................................37

Page 1877 of 5121

NISSAN TEANA 2008 Service Manual EM-2
OIL PAN AND OIL STRAINER ..........................38
Exploded View ........................................................38
Removal and Installation ........................................3

EM-2
OIL PAN AND OIL STRAINER ..........................38
Exploded View ........................................................38
Removal and Installation ........................................38
Inspection ...............................................................42
FUEL INJECTOR AND FUEL TUBE .................44
Exploded View ........................................................44
Removal and Installation ........................................44
Inspection ...............................................................48
IGNITION COIL, SPARK PLUG AND ROCK-
ER COVER .........................................................
49
Exploded View ........................................................49
Removal and Installation ........................................49
TIMING CHAIN ..................................................52
Exploded View ........................................................52
Removal and Installation ........................................53
Inspection ...............................................................65
REMOVAL AND INSTALLATION ...............67
ENGINE ASSEMBLY .........................................67
Exploded View ........................................................67
Removal and Installation ........................................67
Inspection ...............................................................75
DISASSEMBLY AND ASSEMBLY .............76
ENGINE STAND SETTING ................................76
Setting ....................................................................76
ENGINE UNIT ....................................................78
Disassembly ...........................................................78
Assembly ................................................................78
REAR TIMING CHAIN CASE ............................79
Exploded View ........................................................79
Disassembly and Assembly ....................................80
CAMSHAFT .......................................................84
Exploded View ........................................................84
Removal and Installation ........................................84
Inspection ...............................................................88
OIL SEAL ...........................................................93
VALVE OIL SEAL .....................................................93
VALVE OIL SEAL : Removal and Installation .........93
FRONT OIL SEAL .....................................................93
FRONT OIL SEAL : Removal and Installation ........93
REAR OIL SEAL .......................................................94
REAR OIL SEAL : Removal and Installation ...........94
CYLINDER HEAD ..............................................96
Exploded View ........................................................96
Removal and Installation .........................................97
Disassembly and Assembly ..................................100
Inspection ..............................................................104
CYLINDER BLOCK ..........................................107
Exploded View ......................................................107
Disassembly and Assembly ..................................110
Inspection ..............................................................119
HOW TO SELECT PISTON AND BEARING ...129
Description ............................................................129
Piston ....................................................................129
Connecting Rod Bearing .....................................130
Main Bearing ........................................................132
SERVICE DATA AND SPECIFICATIONS
(SDS) .........................................................
135
SERVICE DATA AND SPECIFICATIONS
(SDS) ................................................................
135
General Specification ...........................................135
Drive Belt ..............................................................136
Spark Plug ............................................................136
Intake Manifold ......................................................136
Exhaust Manifold ..................................................136
Camshaft ...............................................................136
Cylinder Head ......................................................139
Cylinder Block ......................................................143
Main Bearing ........................................................146
Connecting Rod Bearing .....................................147

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NISSAN TEANA 2008 Service Manual NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
EM-3
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooti

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NISSAN TEANA 2008 Service Manual EM-4
< SYMPTOM DIAGNOSIS >
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Use the Chart Below to Help You Find the Cause of the Symptom
INFOID:0000000003802223
1. Locate the area where noise occ

Page 1880 of 5121

NISSAN TEANA 2008 Service Manual PRECAUTIONS
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< PRECAUTION >
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PRECAUTION
PRECAUTIONS
Precaution for Procedure without Cowl Top CoverINFOID:0000000003802312
When performing the procedure after removi

PRECAUTIONS
EM-5
< PRECAUTION >
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PRECAUTION
PRECAUTIONS
Precaution for Procedure without Cowl Top CoverINFOID:0000000003802312
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000003802225
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIRBAG” and “SEAT BELT” of this
Service Manual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the “SRS AIRBAG”.
Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-
vice Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.
Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
INFOID:0000000003802313
NOTE:
Before removing and installing any control units, first turn the push-button ignition switch to the LOCK posi-
tion, then disconnect both battery cables.
After finishing work, confirm that all control unit connectors are connected properly, then re-connect both
battery cables.
Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If a DTC is detected, perform trouble diagnosis according to self-diagnosis results.
This vehicle is equipped with a push-button ignition switch and a steering lock unit.
If the battery is disconnected or discharged, the steering wheel will lock and cannot be turned.
If turning the steering wheel is required with the battery disconnected or discharged, 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. Turn the push-button ignition switch to ACC position.
(At this time, the steering lock will be released.)
PIIB3706J

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