Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Frontier 2006-2009 Approved Nissan Frontier 2009 EM
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ENGINE
A
SECTION
ENGINE MECHANICAL
EM EM
C
D
E
CONTENTS
QR25DE Removal and Installation ........................................17
. F
PRECAUTION .............................................. 4
. SPARK PLUG ................................................... 18
Exploded View ........................................................18
.
G
PRECAUTIONS .................................................. 4
. Removal and Installation ........................................18
.
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- CAMSHAFT VALVE CLEARANCE .................. 20
SIONER" .................................................................. 4
. Valve Clearance .....................................................20
. H
Precaution for Drain Engine Coolant ........................ 4 .
COMPRESSION PRESSURE ........................... 23
Precaution for Disconnecting Fuel Piping ................ 4 .
Compression Pressure ...........................................23
.
Precaution for Removal and Disassembly ............... 4 . I
Precaution for Inspection, Repair and Replace- ON-VEHICLE REPAIR ................................ 25
.
ment ......................................................................... 4
.
Precaution for Assembly and Installation ................. 4 . AIR CLEANER AND AIR DUCT ....................... 25 J
Parts Requiring Angle Tightening ............................ 5 . Exploded View ........................................................25
.
Precaution for Liquid Gasket .................................... 5 . Removal and Installation ........................................25
.
PREPARATION ........................................... 7
. INTAKE MANIFOLD ......................................... 26 K
Exploded View ........................................................26
.
PREPARATION .................................................. 7
. Removal and Installation ........................................26
.
Special Service Tool ................................................ 7
. L
Commercial Service Tool ......................................... 9
. EXHAUST MANIFOLD AND THREE WAY
CATALYST ........................................................ 29
FUNCTION DIAGNOSIS ............................. 12
. Exploded View ........................................................29
.
Removal and Installation ........................................29
. M
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING ...........................12
. OIL PAN ............................................................ 32
NVH Troubleshooting - Engine Noise .................... 12 . Exploded View ........................................................32
. N
Use the Chart Below to Help You Find the Cause Removal and Installation ........................................32
.
of the Symptom ...................................................... 13
.
IGNITION COIL ................................................. 35
ON-VEHICLE MAINTENANCE ................... 14
. Exploded View ........................................................35
. O
Removal and Installation ........................................35
.
DRIVE BELTS ...................................................14
.
Exploded View ....................................................... 14. ROCKER COVER ............................................. 36 P
Checking Drive Belts .............................................. 14 . Exploded View ........................................................36
.
Adjustment ............................................................. 14
. Removal and Installation ........................................36
.
Removal and Installation ........................................ 14 .
Removal and Installation of Drive Belt Auto Ten- FUEL INJECTOR AND FUEL TUBE ................ 38
sioner ..................................................................... 15
. Exploded View ........................................................38
.
Removal and Installation ........................................38
.
AIR CLEANER FILTER .....................................17
.
Revision: October 2008 EM-1 2009 Frontier
TIMING CHAIN ................................................. 43
. PREPARATION ............................................... 120
.
Exploded View ....................................................... 43
. Special Service Tool ............................................ 120
.
Removal and Installation ....................................... 44
. Commercial Service Tool ..................................... 122
.
CAMSHAFT ...................................................... 52
. FUNCTION DIAGNOSIS ........................... 124
Exploded View ....................................................... 52
.
Removal and Installation ....................................... 52
. NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING .......................... 124
.
OIL SEAL .......................................................... 61
. NVH Troubleshooting - Engine Noise .................. 124 .
Removal and Installation of Valve Oil Seal ............ 61
. Use the Chart Below to Help You Find the Cause
Removal and Installation of Front Oil Seal ............ 61
. of the Symptom .................................................... 124
.
Removal and Installation of Rear Oil Seal ............. 62
.
ON-VEHICLE MAINTENANCE ................. 126
CYLINDER HEAD ............................................. 64
.
Exploded View ....................................................... 64
. DRIVE BELTS ................................................. 126
.
Removal and Installation ....................................... 64
. Exploded View ..................................................... 126
.
Exploded View ....................................................... 67
. Checking Drive Belts ............................................ 126.
Disassembly and Assembly ................................... 67 . Adjustment ........................................................... 126
.
Inspection After Disassembly ................................ 69 . Removal and Installation ...................................... 126 .
Drive Belt Auto Tensioner and Idler Pulley .......... 127 .
REMOVAL AND INSTALLATION .............. 74
.
AIR CLEANER FILTER ................................... 128
.
ENGINE ASSEMBLY ........................................ 74
. Exploded View ..................................................... 128
.
Exploded View ....................................................... 74
. Removal and Installation ...................................... 128
.
Removal and Installation ....................................... 74
.
SPARK PLUG .................................................. 129
.
DISASSEMBLY AND ASSEMBLY ............ 78
. Exploded View ..................................................... 129
.
Removal and Installation ...................................... 129
.
ENGINE UNIT ................................................... 78
.
Exploded View ....................................................... 78
. CAMSHAFT VALVE CLEARANCE ................ 131
.
Disassembly and Assembly ................................... 79 . Valve Clearance ................................................... 131
.
Inspection After Disassembly ................................ 88 .
COMPRESSION PRESSURE ......................... 135
.
HOW TO SELECT PISTON AND BEARING .... 99
. Compression Pressure ........................................ 135
.
How to Select Piston and Bearing ......................... 99
.
ON-VEHICLE REPAIR .............................. 137
SERVICE DATA AND SPECIFICATIONS
(SDS) ......................................................... 106
. ENGINE ROOM COVER ................................. 137
.
Removal and Installation ...................................... 137
.
SERVICE DATA AND SPECIFICATIONS
(SDS) ............................................................... 106
. AIR CLEANER AND AIR DUCT ...................... 138
.
Exploded View ..................................................... 138
.
Standard and Limit ...............................................106
.
Removal and Installation ...................................... 138
.
VQ40DE
INTAKE MANIFOLD COLLECTOR ................ 139
.
PRECAUTION ........................................... 117
. Exploded View ..................................................... 139
.
PRECAUTIONS .............................................. 117
. Removal and Installation ...................................... 139
.
Precaution for Supplemental Restraint System INTAKE MANIFOLD ........................................ 142
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Exploded View ..................................................... 142
.
SIONER" ...............................................................117
. Removal and Installation ...................................... 142
.
Precaution for Drain Engine Coolant ....................117 .
Precaution for Disconnecting Fuel Piping .............117 . EXHAUST MANIFOLD AND THREE WAY
Precaution for Removal and Disassembly ............117 . CATALYST ...................................................... 144
.
Precaution for Inspection, Repair and Replace- Exploded View ..................................................... 144
.
ment ......................................................................117
. Removal and Installation ...................................... 144
.
Precaution for Assembly and Installation .............117 .
Parts Requiring Angle Tightening .........................118 . OIL PAN AND OIL STRAINER ....................... 148
.
Precaution for Liquid Gasket ................................118 . Exploded View ..................................................... 148
.
Removal and Installation ...................................... 148
.
PREPARATION ......................................... 120
.
IGNITION COIL ................................................ 153
.
Revision: October 2008 EM-2 2009 Frontier
Exploded View ..................................................... 153
. Removal and Installation ...................................... 205
.
Removal and Installation ...................................... 153
. Exploded View ...................................................... 209
. A
Disassembly and Assembly .................................. 209 .
ROCKER COVER ............................................ 154
. Inspection After Disassembly ............................... 211 .
Exploded View ..................................................... 154
.
Removal and Installation ...................................... 154
. REMOVAL AND INSTALLATION ............ 216 EM
.
FUEL INJECTOR AND FUEL TUBE .............. 158
. ENGINE ASSEMBLY ...................................... 216
Exploded View ..................................................... 158
. Exploded View ...................................................... 216
. C
Removal and Installation ...................................... 158
. Removal and Installation ...................................... 216
.
FRONT TIMING CHAIN CASE ........................ 163
. DISASSEMBLY AND ASSEMBLY ........... 220
.
Exploded View ..................................................... 163
. D
Removal and Installation ...................................... 164
. ENGINE UNIT .................................................. 220
Exploded View ...................................................... 220
.
TIMING CHAIN ................................................ 173
. Disassembly and Assembly .................................. 221 . E
Exploded View ..................................................... 173
. Inspection After Disassembly ............................... 231 .
Removal and Installation ...................................... 174
. Dowel Pin Alignment ............................................ 241
.
CAMSHAFT ..................................................... 193
. HOW TO SELECT PISTON AND BEARING .. 243 F
Exploded View ..................................................... 193
. How to Select Piston and Bearing ........................ 243
.
Removal and Installation ...................................... 194
.
SERVICE DATA AND SPECIFICATIONS G
OIL SEAL ........................................................ 202
. (SDS) ......................................................... 248
.
Removal and Installation of Valve Oil Seal .......... 202
.
Removal and Installation of Front Oil Seal ........... 202
. SERVICE DATA AND SPECIFICATIONS
Removal and Installation of Rear Oil Seal ........... 203
. H
(SDS) ............................................................... 248
Standard and Limit ............................................... 248
.
CYLINDER HEAD ........................................... 205
.
Exploded View ..................................................... 205
. I
J
K
L
M
N
O
P
Revision: October 2008 EM-3 2009 Frontier
PRECAUTIONS
< PRECAUTION > [QR25DE]
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER" INFOID:0000000004053077
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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