2003 NISSAN X-TRAIL Service Repair Manual

turn signal bulb brake fluid warning lights fuel filter lights trunk release

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NISSAN X-TRAIL 2003 Service Repair Manual TERMINOLOGY
GI-47
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Exhaust gas recirculation control-BPT
valveEGRC-BPT valve BPT valve
Exhaust gas recirculation control-solenoid
valveEGRC-solenoid valve EGR control sole

TERMINOLOGY
GI-47
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Exhaust gas recirculation control-BPT
valveEGRC-BPT valve BPT valve
Exhaust gas recirculation control-solenoid
valveEGRC-solenoid valve EGR control solenoid valve
Exhaust gas recirculation temperature sen-
sor
EGRT sensor Exhaust gas temperature sensor
EGR temperature sensor
Flash electrically erasable programmable
read only memoryFEEPROM ***
Flash erasable programmable read only
memoryFEPROM ***
Flexible fuel sensor FFS ***
Flexible fuel system FF system ***
Fuel pressure regulator *** Pressure regulator
Fuel pressure regulator control solenoid
valve*** PRVR control solenoid valve
Fuel trim FT ***
Heated Oxygen sensor HO2S Exhaust gas sensor
Idle air control system IAC system Idle speed control
Idle air control valve-air regulator IACV-air regulator Air regulator
Idle air control valve-auxiliary air control
valveIACV-AAC valve Auxiliary air control (AAC) valve
Idle air control valve-FICD solenoid valve IACV-FICD solenoid valve FICD solenoid valve
Idle air control valve-idle up control sole-
noid valveIACV-idle up control solenoid valve Idle up control solenoid valve
Idle speed control-FI pot ISC-FI pot FI pot
Idle speed control system ISC system ***
Ignition control IC ***
Ignition control module ICM ***
Indirect fuel injection system IFI system ***
Intake air IA Air
Intake air temperature sensor IAT sensor Air temperature sensor
Knock *** Detonation
Knock sensor KS Detonation sensor
Malfunction indicator lamp MIL Check engine light
Manifold absolute pressure MAP ***
Manifold absolute pressure sensor MAPS ***
Manifold differential pressure MDP ***
Manifold differential pressure sensor MDPS ***
Manifold surface temperature MST ***
Manifold surface temperature sensor MSTS ***
Manifold vacuum zone MVZ ***
Manifold vacuum zone sensor MVZS ***
Mass air flow sensor MAFS Air flow meter
Mixture control solenoid valve MC solenoid valve Air-fuel ratio control solenoid valve
Multiport fuel injection System MFI system Fuel injection controlNEW TERMNEW ACRONYM /
ABBREVIATIONOLD TERM

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NISSAN X-TRAIL 2003 Service Repair Manual GI-48
TERMINOLOGY

Nonvolatile random access memory NVRAM ***
On board diagnostic system OBD system Self-diagnosis
Open loop OL Open loop
Oxidation catalyst OC Catalyst
Oxidation catalytic converter

GI-48
TERMINOLOGY

Nonvolatile random access memory NVRAM ***
On board diagnostic system OBD system Self-diagnosis
Open loop OL Open loop
Oxidation catalyst OC Catalyst
Oxidation catalytic converter system OC system ***
Oxygen sensor O2S Exhaust gas sensor
Park position switch *** Park switch
Park/neutral position switch PNP switchPark/neutral switch
Inhibitor switch
Neutral position switch
Periodic trap oxidizer system PTOX system ***
Positive crankcase ventilation PCV Positive crankcase ventilation
Positive crankcase ventilation valve PCV valve PCV valve
Powertrain control module PCM ***
Programmable read only memory PROM ***
Pulsed secondary air injection control sole-
noid valvePAIRC solenoid valve AIV control solenoid valve
Pulsed secondary air injection system PAIR system Air induction valve (AIV) control
Pulsed secondary air injection valve PAIR valve Air induction valve
Random access memory RAM ***
Read only memory ROM ***
Scan tool ST ***
Secondary air injection pump AIR pump ***
Secondary air injection system AIR system ***
Sequential multiport fuel injection system SFI system Sequential fuel injection
Service reminder indicator SRI ***
Simultaneous multiport fuel injection sys-
tem*** Simultaneous fuel injection
Smoke puff limiter system SPL system ***
Supercharger SC ***
Supercharger bypass SCB ***
System readiness test SRT ***
Thermal vacuum valve TVV Thermal vacuum valve
Three way catalyst TWC Catalyst
Three way catalytic converter system TWC system ***
Three way + oxidation catalyst TWC + OC Catalyst
Three way + oxidation catalytic converter
systemTWC + OC system ***
Throttle body TBThrottle chamber
SPI body
Throttle body fuel injection system TBI system Fuel injection control
Throttle position TP Throttle position
Throttle position sensor TPS Throttle sensor
Throttle position switch TP switch Throttle switch
Torque converter clutch solenoid valve TCC solenoid valveLock-up cancel solenoid
Lock-up solenoid NEW TERMNEW ACRONYM /
ABBREVIATIONOLD TERM

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NISSAN X-TRAIL 2003 Service Repair Manual TERMINOLOGY
GI-49
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***: Not applicableTransmission control module TCM A/T control unit
Turbocharger TC Turbocharger
Vehicle speed sensor VSS Vehicle speed sensor
Volume air

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NISSAN X-TRAIL 2003 Service Repair Manual GI-50
TERMINOLOGY

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NISSAN X-TRAIL 2003 Service Repair Manual EM-1
ENGINE MECHANICAL
B ENGINE
CONTENTS
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SECTION EM
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ENGINE MECHANICAL
QR
PRECAUTIONS .......................................................... 5
Precautions for Drain En

EM-1
ENGINE MECHANICAL
B ENGINE
CONTENTS
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SECTION EM
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EM

ENGINE MECHANICAL
QR
PRECAUTIONS .......................................................... 5
Precautions for Drain Engine Coolant ...................... 5
Precautions for Disconnecting Fuel Piping .............. 5
Precautions for Removal and Disassembly ............. 5
Precautions for Inspection, Repair and Replace-
ment ......................................................................... 5
Precautions for Assembly and Installation ............... 5
Parts Requiring Angle Tightening ............................. 5
Precautions for Liquid Gasket .................................. 6
REMOVAL OF LIQUID GASKET .......................... 6
LIQUID GASKET APPLICATION PROCEDURE ..... 6
PREPARATION ........................................................... 7
Special Service Tools ............................................... 7
Commercial Service Tools ........................................ 9
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ...............................................11
NVH Troubleshooting — Engine Noise ................... 11
Use the Chart Below to Help You Find the Cause
of the Symptom. ..................................................... 12
DRIVE BELTS ........................................................... 13
Checking Drive Belts .............................................. 13
Tension Adjustment ................................................ 13
Removal and Installation ........................................ 13
REMOVAL ........................................................... 13
INSTALLATION ................................................... 14
Removal and Installation of Drive Belt Auto-Ten-
sioner ..................................................................... 14
REMOVAL ........................................................... 14
INSTALLATION ................................................... 14
AIR CLEANER AND AIR DUCT ............................... 15
Removal and Installation ........................................ 15
REMOVAL ........................................................... 15
INSTALLATION ................................................... 16
Changing Air Cleaner Filter .................................... 16
REMOVAL ........................................................... 16
INSTALLATION ................................................... 16
INTAKE MANIFOLD ................................................. 17
Removal and Installation (QR20DE) ...................... 17REMOVAL ........................................................... 17
INSTALLATION ................................................... 18
INSPECTION AFTER INSTALLATION ................ 19
Removal and Installation (QR25DE) ...................... 20
REMOVAL ........................................................... 20
INSPECTION AFTER REMOVAL ....................... 21
INSTALLATION ................................................... 22
INSPECTION AFTER INSTALLATION ................ 22
EXHAUST MANIFOLD AND THREE WAY CATA-
LYST .......................................................................... 23
Removal and Installation ........................................ 23
REMOVAL ........................................................... 23
INSPECTION AFTER REMOVAL ....................... 24
INSTALLATION ................................................... 24
OIL PAN AND OIL STRAINER ................................. 25
Removal and Installation ........................................ 25
REMOVAL ........................................................... 25
INSPECTION AFTER REMOVAL ....................... 27
INSTALLATION ................................................... 27
INSPECTION AFTER INSTALLATION ................ 28
IGNITION COIL ......................................................... 29
Removal and Installation ........................................ 29
REMOVAL ........................................................... 29
INSTALLATION ................................................... 29
SPARK PLUG ........................................................... 30
Removal and Installation ........................................ 30
REMOVAL ........................................................... 30
INSPECTION AFTER REMOVAL ....................... 30
INSTALLATION ................................................... 31
FUEL INJECTOR AND FUEL TUBE ........................ 32
Removal and Installation (QR20DE) ...................... 32
REMOVAL ........................................................... 32
INSTALLATION ................................................... 34
INSPECTION AFTER INSTALLATION ................ 36
Removal and Installation (QR25DE) ...................... 37
REMOVAL ........................................................... 37
INSTALLATION ................................................... 39
INSPECTION AFTER INSTALLATION ................ 41

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NISSAN X-TRAIL 2003 Service Repair Manual EM-2 ROCKER COVER ..................................................... 42
Removal and Installation ........................................ 42
REMOVAL .............................................

EM-2 ROCKER COVER ..................................................... 42
Removal and Installation ........................................ 42
REMOVAL ........................................................... 42
INSTALLATION .................................................... 43
TIMING CHAIN .......................................................... 44
Removal and Installation ........................................ 44
REMOVAL ........................................................... 44
INSPECTION AFTER REMOVAL ........................ 48
INSTALLATION .................................................... 49
CAMSHAFT ............................................................... 53
Removal and Installation ........................................ 53
REMOVAL ........................................................... 53
INSPECTION AFTER REMOVAL ........................ 55
INSTALLATION .................................................... 58
Valve Clearance ...................................................... 61
INSPECTION ....................................................... 61
ADJUSTMENT .................................................... 62
OIL SEAL .................................................................. 64
Removal and Installation of Valve Oil Seal ............. 64
REMOVAL ........................................................... 64
INSTALLATION .................................................... 64
Removal and Installation of Front Oil Seal ............. 64
REMOVAL ........................................................... 64
INSTALLATION .................................................... 65
Removal and Installation of Rear Oil Seal .............. 65
REMOVAL ........................................................... 65
INSTALLATION .................................................... 65
CYLINDER HEAD ..................................................... 67
On-Vehicle Service ................................................. 67
CHECKING COMPRESSION PRESSURE ......... 67
Removal and Installation ........................................ 68
REMOVAL ........................................................... 68
INSPECTION AFTER REMOVAL ........................ 69
INSTALLATION .................................................... 69
Disassembly and Assembly .................................... 71
DISASSEMBLY ................................................... 71
ASSEMBLY ......................................................... 72
Inspection After Disassembly ................................. 73
VALVE DIMENSIONS .......................................... 73
VALVE GUIDE CLEARANCE .............................. 73
VALVE GUIDE REPLACEMENT ......................... 74
VALVE SEAT CONTACT ..................................... 75
VALVE SEAT REPLACEMENT ........................... 75
VALVE SPRING SQUARENESS ......................... 77
VALVE SPRING DIMENSIONS AND VALVE
SPRING PRESSURE LOAD ............................... 77
ENGINE ASSEMBLY ................................................ 78
Removal and Installation ........................................ 78
REMOVAL ........................................................... 78
INSTALLATION .................................................... 81
INSPECTION AFTER INSTALLATION ................ 81
CYLINDER BLOCK ................................................... 82
Disassembly and Assembly .................................... 82
DISASSEMBLY ................................................... 83
ASSEMBLY ......................................................... 87
How to Select Piston and Bearing .......................... 92
DESCRIPTION .................................................... 92
HOW TO SELECT PISTON ................................. 92
HOW TO SELECT CONNECTING ROD BEAR-ING ....................................................................... 93
HOW TO SELECT MAIN BEARING .................... 95
Inspection After Disassembly .................................. 99
CRANKSHAFT END PLAY .................................. 99
CONNECTING ROD SIDE CLEARANCE ........... 99
PISTON TO PISTON PIN OIL CLEARANCE ....... 99
PISTON RING SIDE CLEARANCE ...................100
PISTON RING END GAP ..................................100
CONNECTING ROD BEND AND TORSION .....101
CONNECTING ROD BIG END DIAMETER ......101
CONNECTING ROD BUSHING OIL CLEAR-
ANCE .................................................................101
CYLINDER BLOCK DISTORTION ....................102
MAIN BEARING HOUSING INNER DIAMETER .103
PISTON TO CYLINDER BORE CLEARANCE ..103
CRANKSHAFT MAIN JOURNAL DIAMETER ...104
CRANKSHAFT PIN JOURNAL DIAMETER ......105
OUT-OF-ROUND AND TAPER OF CRANK-
SHAFT ...............................................................105
CRANKSHAFT RUNOUT ..................................105
CONNECTING ROD BEARING OIL CLEAR-
ANCE .................................................................105
MAIN BEARING OIL CLEARANCE ...................106
MAIN BEARING CRUSH HEIGHT ....................107
CONNECTING ROD BEARING CRUSH
HEIGHT .............................................................107
LOWER CYLINDER BLOCK MOUNTING BOLT
OUTER DIAMETER ...........................................107
CONNECTING ROD BOLT OUTER DIAMETER .107
FLYWHEEL DEFLECTION (M/T MODELS) ......108
MOVEMENT AMOUNT OF FLYWHEEL (M/T
MODELS) ...........................................................108
SERVICE DATA AND SPECIFICATIONS (SDS) ....109
Standard and Limit ................................................109
GENERAL SPECIFICATIONS ...........................109
DRIVE BELT ......................................................109
INTAKE MANIFOLD AND EXHAUST MANI-
FOLD .................................................................109
SPARK PLUG ....................................................109
CYLINDER HEAD ..............................................109
VALVE ................................................................110
CAMSHAFT AND CAMSHAFT BEARING .........113
CYLINDER BLOCK ............................................114
PISTON, PISTON RING AND PISTON PIN ......115
CONNECTING ROD ..........................................116
CRANKSHAFT ...................................................116
MAIN BEARING .................................................118
CONNECTING ROD BEARING .........................119
Tightening Torque .................................................119
YD22DDTi
PRECAUTIONS .......................................................122
Precautions for Draining Engine Coolant ..............122
Precautions for Disconnecting Fuel Piping ...........122
Precautions for Removal and Disassembly ..........122
Precautions for Inspection, Repair and Replace-
ment ......................................................................122
Precautions for Assembly and Installation ............122

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NISSAN X-TRAIL 2003 Service Repair Manual EM-3
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EMA
Parts Requiring Angle Tightening ......................... 122
Precautions For Liquid Gasket ............................. 123
REMOVAL OF LIQUID GASKET ..............

EM-3
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EMA
Parts Requiring Angle Tightening ......................... 122
Precautions For Liquid Gasket ............................. 123
REMOVAL OF LIQUID GASKET ...................... 123
LIQUID GASKET APPLICATION PROCEDURE . 123
PREPARATION ....................................................... 124
Special Service Tools ........................................... 124
Commercial Service Tools .................................... 127
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ............................................ 129
NVH Troubleshooting — Engine Noise ................ 129
Use the Chart Below to Help You Find the Cause
of the Symptom. ................................................... 130
DRIVE BELTS ......................................................... 131
Checking Drive Belts ............................................ 131
Tension Adjustment .............................................. 131
A/C COMPRESSOR BELT ............................... 132
ALTERNATOR AND WATER PUMP BELT ....... 132
Removal and Installation ...................................... 132
REMOVAL ......................................................... 132
INSTALLATION ................................................. 132
AIR CLEANER AND AIR DUCT ............................. 133
Removal and Installation ...................................... 133
REMOVAL ......................................................... 133
INSTALLATION ................................................. 133
CHANGING AIR CLEANER FILTER ................. 134
CHARGE AIR COOLER ......................................... 135
Removal and Installation ...................................... 135
REMOVAL ......................................................... 135
INSPECTION AFTER REMOVAL ..................... 135
INSTALLATION ................................................. 135
INTAKE MANIFOLD ............................................... 136
Removal and Installation ...................................... 136
REMOVAL ......................................................... 136
INSPECTION AFTER REMOVAL ..................... 137
INSTALLATION ................................................. 137
INSPECTION AFTER INSTALLATION ............. 138
CATALYST .............................................................. 139
Removal and Installation ...................................... 139
REMOVAL ......................................................... 139
INSTALLATION ................................................. 140
EXHAUST MANIFOLD AND TURBOCHARGER .. 141
Removal and Installation ...................................... 141
REMOVAL ......................................................... 141
INSTALLATION ................................................. 142
INSPECTION AFTER INSTALLATION ............. 142
Disassembly and Assembly ................................. 143
DISASSEMBLY ................................................. 143
ASSEMBLY ....................................................... 143
INSPECTION AFTER DISASSEMBLY ............. 143
Turbocharger ........................................................ 144
ROTOR SHAFT CLEARANCE ......................... 144
ROTOR SHAFT END PLAY .............................. 144
TURBINE WHEEL ............................................. 145
COMPRESSOR WHEEL .................................. 145
TURBOCHARGER BOOST CONTROL ACTU-
ATOR ................................................................ 145
TROUBLE DIAGNOSIS OF TURBOCHARGER . 146OIL PAN AND OIL STRAINER ...............................147
Removal and Installation ......................................147
REMOVAL .........................................................147
INSPECTION AFTER REMOVAL .....................149
INSTALLATION .................................................149
INSPECTION AFTER INSTALLATION ..............151
GLOW PLUG ..........................................................152
Removal and Installation ......................................152
REMOVAL .........................................................152
INSTALLATION .................................................152
VACUUM PUMP ......................................................153
Removal and Installation ......................................153
INSPECTION BEFORE REMOVAL ..................153
REMOVAL .........................................................153
INSTALLATION .................................................154
INSPECTION AFTER INSTALLATION ..............155
Disassembly and Assembly ..................................155
DISASSEMBLY .................................................155
ASSEMBLY .......................................................156
INJECTION TUBE AND FUEL INJECTOR ............157
Removal and Installation ......................................157
REMOVAL .........................................................157
INSTALLATION .................................................159
INSPECTION AFTER INSTALLATION ..............160
FUEL PUMP ............................................................161
Removal and Installation ......................................161
REMOVAL .........................................................161
INSPECTION AFTER REMOVAL .....................165
INSTALLATION .................................................165
ROCKER COVER ...................................................168
Removal and Installation ......................................168
REMOVAL .........................................................168
INSTALLATION .................................................169
INSPECTION AFTER INSTALLATION ..............169
CAMSHAFT ............................................................170
Removal and Installation ......................................170
REMOVAL .........................................................170
INSPECTION AFTER REMOVAL .....................171
INSTALLATION .................................................174
Valve Clearance ...................................................175
INSPECTION ....................................................175
ADJUSTMENTS ................................................177
SECONDARY TIMING CHAIN ................................180
Removal and Installation ......................................180
REMOVAL .........................................................180
INSPECTION AFTER REMOVAL .....................182
INSTALLATION .................................................182
PRIMARY TIMING CHAIN ......................................185
Removal and Installation ......................................185
REMOVAL .........................................................187
INSPECTION AFTER REMOVAL .....................190
INSTALLATION .................................................190
CYLINDER HEAD ...................................................196
On-Vehicle Service ...............................................196
CHECKING COMPRESSION PRESSURE .......196
Removal and Installation ......................................197
REMOVAL .........................................................197
INSPECTION AFTER REMOVAL .....................198

Page 56 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EM-4 INSTALLATION ..................................................199
Disassembly and Assembly ..................................201
DISASSEMBLY .................................................201

EM-4 INSTALLATION ..................................................199
Disassembly and Assembly ..................................201
DISASSEMBLY .................................................201
ASSEMBLY .......................................................202
INSPECTION AFTER DISASSEMBLY ..............203
ENGINE ASSEMBLY ..............................................208
Removal and Installation ......................................208
REMOVAL .........................................................209
INSTALLATION ..................................................211
INSPECTION AFTER INSTALLATION ..............211
CYLINDER BLOCK .................................................212
Disassembly and Assembly ..................................212
DISASSEMBLY .................................................213
ASSEMBLY .......................................................217
How to Select Piston and Bearing ........................222
DESCRIPTION ..................................................222
HOW TO SELECT PISTON ...............................222
HOW TO SELECT CONNECTING ROD BEAR-
ING ....................................................................223
HOW TO SELECT MAIN BEARING ..................224
Inspection After Disassembly ...............................226
CRANKSHAFT END PLAY ................................226
CONNECTING ROD SIDE CLEARANCE .........226
PISTON TO PISTON PIN CLEARANCE ...........226
PISTON RING SIDE CLEARANCE ...................227
PISTON RING END GAP ..................................227
CONNECTING ROD BEND AND TORSION .....228
CONNECTING ROD BIG END INNER DIAME-
TER ...................................................................228
CONNECTING ROD BUSHING OIL CLEAR-
ANCE .................................................................228
CYLINDER BLOCK TOP SURFACE DISTOR-TION ..................................................................229
MAIN BEARING HOUSING INNER DIAMETER .229
PISTON TO CYLINDER BORE CLEARANCE ..230
CRANKSHAFT JOURNAL OUTER DIAMETER .231
CRANKSHAFT PIN OUTER DIAMETER ..........231
CRANKSHAFT OUT-OF-ROUND AND TAPER .231
CRANKSHAFT RUNOUT ..................................232
CONNECTING ROD BEARING OIL CLEAR-
ANCE .................................................................232
MAIN BEARING OIL CLEARANCE ...................233
CRUSH HEIGHT OF MAIN BEARING ..............233
CRUSH HEIGHT OF CONNECTING ROD
BEARING ...........................................................233
MAIN BEARING CAP BOLT DEFORMATION ...234
CONNECTING ROD BOLT DEFORMATION ....234
OIL JET ..............................................................234
OIL JET RELIEF VALVE ....................................234
FLYWHEEL DEFLECTION ................................235
MOVEMENT AMOUNT OF FLYWHEEL ...........235
SERVICE DATA AND SPECIFICATIONS (SDS) ....236
Standard and Limit ................................................236
GENERAL SPECIFICATIONS ...........................236
INTAKE MANIFOLD AND EXHAUST MANI-
FOLD .................................................................236
DRIVE BELTS ....................................................236
CYLINDER HEAD ..............................................237
VALVE ................................................................237
CAMSHAFT .......................................................241
CYLINDER BLOCK ............................................241
PISTON, PISTON RING AND PISTON PIN ......242
CONNECTING ROD ..........................................243
CRANKSHAFT ...................................................243
AVAILABLE MAIN BEARING .............................244
AVAILABLE CONNECTING ROD BEARING .....244
MISCELLANEOUS COMPONENTS ..................244
Tightening Torque .................................................245

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