Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Pathfinder 2008-2009 Approved Nissan Pathfinder 2009 EM
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ENGINE
A
SECTION
ENGINE MECHANICAL
EM EM
C
D
E
CONTENTS
VQ40DE AIR CLEANER FILTER ..................................... 15 F
Exploded View ........................................................15
.
PRECAUTION .............................................. 4
. Removal and Installation ........................................15
.
G
PRECAUTIONS .................................................. 4
. SPARK PLUG ................................................... 16
Precaution for Supplemental Restraint System Exploded View ........................................................16
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Removal and Installation ........................................16
.
SIONER" .................................................................. 4
. H
Precaution Necessary for Steering Wheel Rota- CAMSHAFT VALVE CLEARANCE .................. 18
tion After Battery Disconnect .................................... 4 . Valve Clearance .....................................................18
.
Precaution for Drain Engine Coolant ........................ 4 . I
Precaution for Disconnecting Fuel Piping ................ 5 .
COMPRESSION PRESSURE ........................... 22
Compression Pressure ...........................................22
.
Precaution for Removal and Disassembly ............... 5 .
Precaution for Inspection, Repair and Replace- ON-VEHICLE REPAIR ................................ 24
. J
ment ......................................................................... 5
.
Precaution for Assembly and Installation ................. 5 . ENGINE ROOM COVER ................................... 24
Parts Requiring Angle Tightening ............................ 5 . Removal and Installation ........................................24
.
Precaution for Liquid Gasket .................................... 5 . K
AIR CLEANER AND AIR DUCT ....................... 25
PREPARATION ........................................... 7
. Exploded View ........................................................25
.
Removal and Installation ........................................25
. L
PREPARATION .................................................. 7
.
Special Service Tool ................................................ 7
. INTAKE MANIFOLD COLLECTOR .................. 26
Commercial Service Tool ......................................... 9
. Exploded View ........................................................26
.
Removal and Installation ........................................26
. M
FUNCTION DIAGNOSIS ............................. 11
.
INTAKE MANIFOLD ......................................... 29
NOISE, VIBRATION AND HARSHNESS Exploded View ........................................................29
. N
(NVH) TROUBLESHOOTING ...........................11
. Removal and Installation ........................................29
.
NVH Troubleshooting - Engine Noise .................... 11 .
Use the Chart Below to Help You Find the Cause EXHAUST MANIFOLD AND THREE WAY
of the Symptom ...................................................... 11
. CATALYST ........................................................ 31 O
Exploded View ........................................................31
.
ON-VEHICLE MAINTENANCE ................... 13
. Removal and Installation ........................................31
.
P
DRIVE BELTS ...................................................13
. OIL PAN AND OIL STRAINER ......................... 35
Exploded View ....................................................... 13
. Exploded View ........................................................35
.
Checking Drive Belts .............................................. 13
. Removal and Installation ........................................35
.
Adjustment ............................................................. 13
.
Removal and Installation ........................................ 13. IGNITION COIL ................................................. 40
Drive Belt Auto Tensioner and Idler Pulley ............ 14 . Exploded View ........................................................40
.
Removal and Installation ........................................40
.
Revision: October 2008 EM-1 2009 Pathfinder
ROCKER COVER ............................................. 41
. Precaution for Supplemental Restraint System
Exploded View ....................................................... 41
. (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
Removal and Installation ....................................... 41
. SIONER" .............................................................. 145
.
Precaution Necessary for Steering Wheel Rota-
FUEL INJECTOR AND FUEL TUBE ................ 45
. tion After Battery Disconnect ............................... 145 .
Exploded View ....................................................... 45
. Precaution for Drain Engine Coolant ................... 145 .
Removal and Installation ....................................... 45
. Precaution for Disconnecting Fuel Piping ............ 146 .
Precaution for Removal and Disassembly ........... 146 .
FRONT TIMING CHAIN CASE ......................... 50
. Precaution for Inspection, Repair and Replace-
Exploded View ....................................................... 50
.
ment ..................................................................... 146
.
Removal and Installation ....................................... 51
.
Precaution for Assembly and Installation ............. 146 .
TIMING CHAIN ................................................. 60
. Parts Requiring Angular Tightening ..................... 146 .
Exploded View ....................................................... 60
. Precaution for Liquid Gasket ................................ 146 .
Removal and Installation ....................................... 61
.
PREPARATION ......................................... 148
CAMSHAFT ...................................................... 80
.
PREPARATION ............................................... 148
.
Exploded View ....................................................... 80
.
Special Service Tool ............................................ 148
.
Removal and Installation ....................................... 81
.
Commercial Service Tool ..................................... 150
.
OIL SEAL .......................................................... 89
.
Removal and Installation of Valve Oil Seal ............ 89
.
FUNCTION DIAGNOSIS ........................... 152
Removal and Installation of Front Oil Seal ............ 89
. NOISE, VIBRATION, AND HARSHNESS
Removal and Installation of Rear Oil Seal ............. 90
. (NVH) TROUBLESHOOTING .......................... 152
.
CYLINDER HEAD ............................................. 92
. NVH Troubleshooting - Engine Noise .................. 152 .
Exploded View ....................................................... 92
. Use the Chart Below to Help You Find the Cause
Removal and Installation ....................................... 92
. of the Symptom .................................................... 153
.
Exploded View ....................................................... 96
.
ON-VEHICLE MAINTENANCE ................. 155
Disassembly and Assembly ................................... 96 .
Inspection After Disassembly ................................ 98 . DRIVE BELTS ................................................. 155
.
Exploded View ..................................................... 155
.
REMOVAL AND INSTALLATION ............. 103
. Checking Drive Belts ............................................ 155.
ENGINE ASSEMBLY ...................................... 103
. Adjustment ........................................................... 155
.
Exploded View ......................................................103
. Removal and Installation ...................................... 155 .
Removal and Installation ......................................103. Drive Belt Auto Tensioner and Idler Pulley .......... 156 .
DISASSEMBLY AND ASSEMBLY ........... 107
. AIR CLEANER FILTER ................................... 157
.
Exploded View ..................................................... 157
.
ENGINE UNIT ................................................. 107
. Removal and Installation ...................................... 157
.
Exploded View ......................................................107
.
Disassembly and Assembly ..................................108 .
SPARK PLUG .................................................. 158
.
Exploded View ..................................................... 158
.
Inspection After Disassembly ...............................118 .
Removal and Installation ...................................... 158
.
Dowel Pin Alignment ............................................127
.
HOW TO SELECT PISTON AND BEARING .. 129
. CAMSHAFT VALVE CLEARANCE ................ 160
.
Valve Clearance ................................................... 160
.
How to Select Piston and Bearing ........................129
.
COMPRESSION PRESSURE ......................... 165
.
SERVICE DATA AND SPECIFICATIONS
Compression Pressure ........................................ 165
.
(SDS) ......................................................... 134
.
ON-VEHICLE REPAIR .............................. 166
SERVICE DATA AND SPECIFICATIONS
(SDS) ............................................................... 134
. ENGINE ROOM COVER ................................. 166
.
Standard and Limit ...............................................134
. Removal and Installation ...................................... 166
.
VK56DE
AIR CLEANER AND AIR DUCT ...................... 167
.
PRECAUTION ........................................... 145
. Exploded View ..................................................... 167
.
Removal and Installation ...................................... 167
.
PRECAUTIONS .............................................. 145
.
INTAKE MANIFOLD ........................................ 168
.
Exploded View .....................................................
Revision: October 2008 EM-2 2009 Pathfinder
Removal and Installation ...................................... 168
. Removal and Installation of Front Oil Seal ........... 206
.
Removal and Installation of Rear Oil Seal ............ 208
. A
EXHAUST MANIFOLD AND THREE WAY
CATALYST ...................................................... 172
. CYLINDER HEAD ........................................... 210
Exploded View ..................................................... 172
. Exploded View ...................................................... 210
.
Removal and Installation ...................................... 210
. EM
Removal and Installation ...................................... 172
.
Exploded View ...................................................... 212
.
OIL PAN AND OIL STRAINER ....................... 175
. Disassembly and Assembly .................................. 212 .
Exploded View ..................................................... 175
. Inspection After Disassembly ............................... 214 . C
Removal and Installation ...................................... 175
.
REMOVAL AND INSTALLATION ............ 220
.
IGNITION COIL ............................................... 179
.
Exploded View ..................................................... 179
. ENGINE ASSEMBLY ...................................... 220 D
Removal and Installation ...................................... 179
. Exploded View ...................................................... 220
.
Removal and Installation ...................................... 220
.
ROCKER COVER ............................................ 180
. E
Exploded View ..................................................... 180
. DISASSEMBLY AND ASSEMBLY ........... 224
.
Removal and Installation ...................................... 180
.
ENGINE UNIT .................................................. 224
FUEL INJECTOR AND FUEL TUBE .............. 182
. Exploded View ...................................................... 224
. F
Exploded View ..................................................... 182
. Disassembly and Assembly .................................. 225 .
Removal and Installation ...................................... 182
. Inspection After Disassembly ............................... 232 .
G
TIMING CHAIN ................................................ 186
. HOW TO SELECT PISTON AND BEARING .. 243
Exploded View ..................................................... 186
. How to Select Piston and Bearing ........................ 243
.
Removal and Installation ...................................... 187
.
SERVICE DATA AND SPECIFICATIONS H
CAMSHAFT ..................................................... 195
. (SDS) ......................................................... 250
.
Exploded View ..................................................... 195
.
Removal and Installation ...................................... 195
. SERVICE DATA AND SPECIFICATIONS I
Inspection after Installation .................................. 204
. (SDS) ............................................................... 250
Standard and Limit ............................................... 250
.
OIL SEAL ........................................................ 206
.
Removal and Installation of Valve Oil Seal .......... 206
. J
K
L
M
N
O
P
Revision: October 2008 EM-3 2009 Pathfinder
PRECAUTIONS
< PRECAUTION > [VQ40DE]
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER" INFOID:0000000003939461
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 SR and SB section of this Service Man-
ual.
WARNING:
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