Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Altima 2006-2009 Approved TB Nissan Altima 2008 EM
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ENGINE
A
SECTION
ENGINE MECHANICAL
EM EM
C
D
E
CONTENTS
QR25DE AIR CLEANER FILTER ..................................... 19 F
Removal and Installation ........................................19
.
PRECAUTION .............................................. 4
.
CAMSHAFT VALVE CLEARANCE .................. 20 G
PRECAUTIONS .................................................. 4
. Camshaft valve clearance ......................................20
.
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- COMPRESSION PRESSURE ........................... 23
SIONER" .................................................................. 4
. Compression pressure ...........................................23
. H
Precaution for Draining Coolant ............................... 4 .
Precaution for Disconnecting Fuel Piping ................ 4 . ON-VEHICLE REPAIR ................................ 25
.
Precaution for Removal and Disassembly ............... 4 . AIR CLEANER AND AIR DUCT ....................... 25 I
Precaution for Inspection, Repair and Replace-
Removal and Installation ........................................25
.
ment ......................................................................... 4
.
Precaution for Assembly and Installation ................. 4 . INTAKE MANIFOLD ......................................... 26 J
Parts Requiring Angular Tightening ......................... 5 . Removal and Installation ........................................26
.
Precaution for Liquid Gasket .................................... 5 .
EXHAUST MANIFOLD AND THREE WAY
PREPARATION ........................................... 7
. CATALYST ........................................................ 30 K
Removal and Installation ........................................30
.
PREPARATION .................................................. 7
.
Special Service Tool ................................................ 7
. OIL PAN AND OIL STRAINER ......................... 32 L
Commercial Service Tool ......................................... 9
. Removal and Installation ........................................32
.
FUNCTION DIAGNOSIS ............................. 12
. IGNITION COIL ................................................. 35
Removal and Installation ........................................35
. M
NOISE, VIBRATION, AND HARSHNESS
(NVH) TROUBLESHOOTING ...........................12
. FUEL INJECTOR AND FUEL TUBE ................ 36
NVH Troubleshooting - Engine Noise .................... 12 . Removal and Installation ........................................36
. N
Use the Chart Below to Help You Find the Cause
of the Symptom ...................................................... 13
. ROCKER COVER ............................................. 39
Removal and Installation ........................................39
.
ON-VEHICLE MAINTENANCE ................... 14
. O
CAMSHAFT ....................................................... 41
SPARK PLUG ...................................................14
. Removal and Installation ........................................41
.
Removal and Installation ........................................ 14
. Inspection After Installation ....................................48
.
P
Valve Clearance .....................................................49
.
DRIVE BELTS ...................................................16
.
Checking Drive Belts .............................................. 16 . TIMING CHAIN .................................................. 52
Tension Adjustment ............................................... 16 . Removal and Installation ........................................52
.
Removal and Installation ........................................ 16 .
Removal and Installation of Drive Belt Auto-ten- OIL SEAL .......................................................... 61
sioner ..................................................................... 17
. Removal and Installation of Valve Oil Seal .............61
.
Revision: July 2007 EM-1 2008 Altima
Removal and Installation of Front Oil Seal ............ 61
. SPARK PLUG (PLATINUM-TIPPED TYPE) ... 119
.
Removal and Installation of Rear Oil Seal ............. 62
. Removal and Installation ...................................... 119
.
CYLINDER HEAD ............................................. 64
. DRIVE BELTS ................................................. 121
.
On-Vehicle Service ................................................ 64
. Checking Drive Belts ............................................ 121 .
Removal and Installation ....................................... 64
. Tension Adjustment ............................................. 121 .
Disassembly and Assembly ................................... 66 . Removal and Installation ...................................... 121 .
Inspection After Disassembly ................................ 68. Removal and Installation of Drive Belt Auto-ten-
sioner ................................................................... 122
.
REMOVAL AND INSTALLATION .............. 72
.
AIR CLEANER FILTER ................................... 123
.
ENGINE ASSEMBLY ........................................ 72
. Removal and Installation ...................................... 123
.
Removal and Installation ....................................... 72
.
CAMSHAFT VALVE CLEARANCE ................ 124
.
DISASSEMBLY AND ASSEMBLY ............ 75
. Valve Clearance ................................................... 124
.
CYLINDER BLOCK .......................................... 75
. COMPRESSION PRESSURE ......................... 128
.
Disassembly and Assembly ................................... 75
. On-Vehicle Service .............................................. 128
.
Inspection After Disassembly ................................ 82
.
ON-VEHICLE REPAIR .............................. 129
HOW TO SELECT PISTON AND BEARING .... 92
.
How to Select Piston and Bearing ......................... 92
. AIR CLEANER AND AIR DUCT ...................... 129
.
Removal and Installation ...................................... 129
.
SERVICE DATA AND SPECIFICATIONS
(SDS) .......................................................... 98
. INTAKE MANIFOLD COLLECTOR ................ 130
.
Removal and Installation ...................................... 130
.
SERVICE DATA AND SPECIFICATIONS
(SDS) ................................................................. 98
. INTAKE MANIFOLD ........................................ 133
.
Standard and Limit ................................................ 98
. Removal and Installation ...................................... 133
.
VQ35DE EXHAUST MANIFOLD AND THREE WAY
CATALYST ...................................................... 136
.
PRECAUTION ........................................... 109
.
Removal and Installation ...................................... 136
.
PRECAUTIONS .............................................. 109
.
OIL PAN AND OIL STRAINER ....................... 139
.
Precaution for Supplemental Restraint System
Removal and Installation ...................................... 139
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...............................................................109
. IGNITION COIL ................................................ 145
.
Precaution for Drain Coolant ................................109 . Removal and Installation ...................................... 145
.
Precaution for Disconnecting Fuel Piping .............109 .
Precaution for Removal and Disassembly ............109 . FUEL INJECTOR AND FUEL TUBE ............... 146
.
Precaution for Inspection, Repair and Replace- Removal and Installation ...................................... 146
.
ment ......................................................................109
.
Precaution for Assembly and Installation .............109 . ROCKER COVER ............................................ 149
.
Parts Requiring Angular Tightening ......................110 . Removal and Installation ...................................... 149
.
Precaution for Liquid Gasket ................................110 .
FRONT TIMING CHAIN CASE ........................ 152
.
PREPARATION ......................................... 112
. Removal and Installation ...................................... 152
.
PREPARATION .............................................. 112
. TIMING CHAIN ................................................ 159
.
Special Service Tool .............................................112
. Component .......................................................... 159.
Commercial Service Tool .....................................114. Removal ............................................................... 160
.
Inspection ............................................................. 163
.
FUNCTION DIAGNOSIS ........................... 117
. Installation ............................................................ 163
.
NOISE, VIBRATION, AND HARSHNESS REAR TIMING CHAIN CASE .......................... 169
.
(NVH) TROUBLESHOOTING ......................... 117
. Component .......................................................... 169
.
NVH Troubleshooting - Engine Noise ...................117 . Removal and Installation ...................................... 170.
Use the Chart Below to Help You Find the Cause
CAMSHAFT ..................................................... 173
.
of the Symptom ....................................................118
.
Removal and Installation ...................................... 173
.
ON-VEHICLE MAINTENANCE ................. 119
. Inspection after Installation .................................. 181
.
Revision: July 2007 EM-2 2008 Altima
OIL SEAL ........................................................ 183
. DISASSEMBLY AND ASSEMBLY ........... 202
.
Removal and Installation of Valve Oil Seal .......... 183
. A
Removal and Installation of Front Oil Seal ........... 183
. CYLINDER BLOCK ......................................... 202
Removal and Installation of Rear Oil Seal ........... 185
. Disassembly and Assembly .................................. 202 .
Inspection ............................................................. 211
.
EM
CYLINDER HEAD ........................................... 187
.
Removal and Installation ...................................... 187
. SERVICE DATA AND SPECIFICATIONS
Disassembly and Assembly ................................. 191
. (SDS) ......................................................... 223
.
Inspection After Disassembly ............................... 193
. C
SERVICE DATA AND SPECIFICATIONS
REMOVAL AND INSTALLATION ............ 198
. (SDS) ............................................................... 223
Standard and Limit ............................................... 223
. D
ENGINE ASSEMBLY ...................................... 198
.
Removal and Installation ...................................... 198
.
E
F
G
H
I
J
K
L
M
N
O
P
Revision: July 2007 EM-3 2008 Altima
PRECAUTIONS
< PRECAUTION > [QR25DE]
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER" INFOID:0000000001850807
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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