Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Altima 2006-2009 Approved TB Nissan Altima 2006 em
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download em documenatation <<
Text preview - extract from the document
B ENGINE
A
EM
SECTION
ENGINE MECHANICAL C
D
E
CONTENTS
QR25DE INTAKE MANIFOLD ................................................ 19 . F
Removal and Installation ....................................... 19 .
PRECAUTIONS ......................................................... 5 . REMOVAL .......................................................... 19 .
Precautions for Supplemental Restraint System INSPECTION AFTER REMOVAL ...................... 21 . G
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- INSTALLATION .................................................. 21 .
SIONER" ................................................................. 5
. INSPECTION AFTER INSTALLATION ............... 23 .
Precautions for Draining Coolant ............................ 5 . EXHAUST MANIFOLD AND THREE WAY CATA-
Precautions for Disconnecting Fuel Piping ............. 5 . H
LYST ......................................................................... 24
.
Precautions for Removal and Disassembly ............ 5 . Removal and Installation ....................................... 24 .
Precautions for Inspection, Repair and Replace- REMOVAL .......................................................... 24 .
ment ........................................................................ 5
. INSPECTION AFTER REMOVAL ...................... 25 . I
Precautions for Assembly and Installation .............. 5 . INSTALLATION .................................................. 25 .
Parts Requiring Angular Tightening ........................ 6 . OIL PAN AND OIL STRAINER ................................ 26 .
Precautions for Liquid Gasket ................................. 6 . Removal and Installation ....................................... 26 . J
REMOVAL OF LIQUID GASKET SEALING ......... 6 . REMOVAL .......................................................... 26 .
LIQUID GASKET APPLICATION PROCEDURE 6 ..... INSPECTION AFTER REMOVAL ...................... 27 .
PREPARATION .......................................................... 8 . INSTALLATION .................................................. 27 .
Special Service Tools .............................................. 8 . K
INSPECTION AFTER INSTALLATION ............... 28 .
Commercial Service Tools ......................................11 . IGNITION COIL ........................................................ 29 .
NOISE, VIBRATION, AND HARSHNESS (NVH) Removal and Installation ....................................... 29 .
TROUBLESHOOTING ............................................. 13 . REMOVAL .......................................................... 29 . L
NVH Troubleshooting --Engine Noise .................. 13 . INSTALLATION .................................................. 29 .
Use the Chart Below to Help You Find the Cause SPARK PLUG .......................................................... 30 .
of the Symptom. .................................................... 14 . Removal and Installation ....................................... 30 . M
DRIVE BELTS .......................................................... 15. REMOVAL .......................................................... 30 .
Checking Drive Belts ............................................. 15 . INSPECTION AFTER REMOVAL ...................... 30 .
Tension Adjustment ............................................... 15 . INSTALLATION .................................................. 31 .
Removal and Installation ....................................... 15 . FUEL INJECTOR AND FUEL TUBE ....................... 32 .
REMOVAL .......................................................... 15 . Removal and Installation ....................................... 32 .
INSTALLATION .................................................. 16 . REMOVAL .......................................................... 32 .
Removal and Installation of Drive Belt Auto-ten- INSTALLATION .................................................. 33 .
sioner .................................................................... 16
. INSPECTION AFTER INSTALLATION ............... 34 .
REMOVAL .......................................................... 16 . ROCKER COVER .................................................... 35 .
INSTALLATION .................................................. 16 . Removal and Installation ....................................... 35 .
AIR CLEANER AND AIR DUCT .............................. 17 . REMOVAL .......................................................... 35 .
Removal and Installation ....................................... 17 . INSTALLATION .................................................. 35 .
REMOVAL .......................................................... 17 . CAMSHAFT ............................................................. 37 .
INSTALLATION .................................................. 17 . Removal and Installation ....................................... 37 .
CHANGING THE AIR CLEANER ELEMENT ..... 18 . REMOVAL .......................................................... 37 .
INSPECTION AFTER REMOVAL ...................... 39 .
Revision: July 2005 EM-1 2006 Altima
INSTALLATION ................................................... 42 . HOW TO SELECT A MAIN BEARING ................86 .
INSPECTION AFTER INSTALLATION .................. 44 . Inspection After Disassembly .................................89 .
INSPECTION OF CAMSHAFT SPROCKET CRANKSHAFT SIDE CLEARANCE ...................89 .
(INT) OIL GROOVE ............................................ 44 . CONNECTING ROD SIDE CLEARANCE ..........90 .
Valve Clearance ..................................................... 45. PISTON AND PISTON PIN CLEARANCE ..........90 .
INSPECTION ...................................................... 45 . PISTON RING SIDE CLEARANCE ....................91 .
ADJUSTMENT ................................................... 46 . PISTON RING END GAP ...................................91 .
TIMING CHAIN ......................................................... 48 . CONNECTING ROD BEND AND TORSION ......91 .
Removal and Installation ....................................... 48 . CONNECTING ROD BEARING (BIG END) .......92 .
REMOVAL .......................................................... 49 . CONNECTING ROD BUSHING OIL CLEAR-
INSPECTION AFTER REMOVAL ....................... 52 . ANCE (SMALL END) ..........................................92 .
INSTALLATION ................................................... 52 . CYLINDER BLOCK DISTORTION .....................93 .
OIL SEAL ................................................................. 56
. INNER DIAMETER OF MAIN BEARING HOUS-
Removal and installation of Valve Oil Seal ............ 56 . ING ......................................................................93
.
REMOVAL .......................................................... 56 . PISTON TO CYLINDER BORE CLEARANCE ...94
INSTALLATION ................................................... 56 . OUTER DIAMETER OF CRANKSHAFT JOUR-
Removal and Installation of Front Oil Seal ............ 57 . NAL .....................................................................95
.
REMOVAL .......................................................... 57 . OUTER DIAMETER OF CRANKSHAFT PIN .....95 .
INSTALLATION ................................................... 57 . OUT-OF-ROUND AND TAPER OF CRANK-
Removal and Installation of Rear Oil Seal ............. 58 . SHAFT ................................................................95
.
REMOVAL .......................................................... 58 . CRANKSHAFT RUNOUT ...................................95 .
INSTALLATION ................................................... 58 . OIL CLEARANCE OF CONNECTING ROD
CYLINDER HEAD .................................................... 59 . BEARING ............................................................96 .
On-Vehicle Service ................................................ 59 . OIL CLEARANCE OF MAIN BEARING ..............96 .
CHECKING COMPRESSION PRESSURE ........ 59 . CRUSH HEIGHT OF MAIN BEARING ...............97 .
Removal and Installation ....................................... 61 . OUTER DIAMETER OF LOWER CYLINDER
REMOVAL .......................................................... 62 . BLOCK BOLT ......................................................97 .
INSPECTION AFTER REMOVAL ....................... 62 . OUTER DIAMETER OF CONNECTING ROD
INSTALLATION ................................................... 63 . BOLT ...................................................................97
.
Disassembly and Assembly ................................... 64 . MOVEMENT AMOUNT OF FLYWHEEL (M/T
DISASSEMBLY .................................................. 64 . MODEL) ..............................................................97.
ASSEMBLY ........................................................ 65 . SERVICE DATA AND SPECIFICATIONS (SDS) .....99 .
Inspection After Disassembly ................................ 66 . Standard and Limit .................................................99 .
CYLINDER HEAD DISTORTION ....................... 66 . GENERAL SPECIFICATIONS ............................99 .
VALVE DIMENSIONS ......................................... 66 . DRIVE BELTS .....................................................99 .
VALVE GUIDE CLEARANCE ............................. 66 . INTAKE MANIFOLD AND EXHAUST MANI-
VALVE GUIDE REPLACEMENT ........................ 66 . FOLD ..................................................................99
.
VALVE SEAT CONTACT .................................... 68 . SPARK PLUG .....................................................99 .
VALVE SEAT REPLACEMENT .......................... 68 . CYLINDER HEAD ............................................. 100 .
VALVE SPRING SQUARENESS ........................ 69 . VALVE ............................................................... 100
.
VALVE SPRING DIMENSIONS AND VALVE CAMSHAFT AND CAMSHAFT BEARING ........ 103 .
SPRING PRESSURE LOAD .............................. 69 . CYLINDER BLOCK ........................................... 104 .
ENGINE ASSEMBLY ............................................... 71 . PISTON, PISTON RING, AND PISTON PIN ..... 105 .
Removal and Installation ....................................... 71 . CONNECTING ROD ......................................... 105 .
REMOVAL .......................................................... 72 . CRANKSHAFT .................................................. 106 .
INSTALLATION ................................................... 73 . MAIN BEARING ................................................ 107 .
INSPECTION AFTER INSTALLATION ............... 74 . CONNECTING ROD BEARING ........................ 108 .
CYLINDER BLOCK .................................................. 75 .
Disassembly and Assembly ................................... 75 . VQ35DE
DISASSEMBLY .................................................. 76 .
ASSEMBLY ........................................................ 78 . PRECAUTIONS ...................................................... 109 .
How to Select Piston and Bearing ......................... 83 . Precautions for Supplemental Restraint System
DESCRIPTION ................................................... 83 . (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
HOW TO SELECT A PISTON ............................ 83 . SIONER" .............................................................. 109
.
HOW TO SELECT A CONNECTING ROD BEAR- Precautions for Drain Coolant .............................. 109 .
ING ..................................................................... 84
. Precautions for Disconnecting Fuel Piping .......... 109 .
Precautions for Removal and Disassembly ......... 109 .
Precautions for Inspection, Repair and Replace-
ment ..................................................................... 109
.
Revision: July 2005 EM-2 2006 Altima
Precautions for Assembly and Installation .......... 109 . FUEL INJECTOR AND FUEL TUBE ..................... 147 .
Parts Requiring Angular Tightening .....................110 . Removal and Installation ..................................... 147 . A
Precautions for Liquid Gasket ..............................110 . REMOVAL ........................................................ 147 .
REMOVAL OF LIQUID GASKET SEALING ......110 . INSTALLATION ................................................ 148 .
LIQUID GASKET APPLICATION PROCEDURE ..110 INSPECTION AFTER INSTALLATION ............. 149 . EM
PREPARATION .......................................................112 . ROCKER COVER .................................................. 150 .
Special Service Tools ...........................................112 . Removal and Installation ..................................... 150 .
Commercial Service Tools ....................................115 . REMOVAL ........................................................ 150 .
NOISE, VIBRATION, AND HARSHNESS (NVH) INSTALLATION ................................................ 151 . C
TROUBLESHOOTING ............................................117 . FRONT TIMING CHAIN CASE .............................. 152 .
NVH Troubleshooting -- Engine Noise ................117 . Removal and Installation ..................................... 152 .
Use the Chart Below to Help You Find the Cause REMOVAL ........................................................ 153 . D
of the Symptom. ...................................................118 . INSTALLATION ................................................ 157 .
DRIVE BELTS .........................................................119 . TIMING CHAIN ....................................................... 161 .
Checking Drive Belts ............................................119 . Components ........................................................ 161. E
AIR CLEANER AND AIR DUCT ............................ 120 . POSITION FOR APPLYING LIQUID GASKET . 163
Removal and Installation ..................................... 120 . Removal .............................................................. 164
.
REMOVAL ........................................................ 120 . Inspection ............................................................ 171
.
INSTALLATION ................................................ 120 . Installation ........................................................... 172
. F
CHANGING AIR CLEANER ELEMENT ........... 120 . CAMSHAFT ........................................................... 182 .
INTAKE MANIFOLD COLLECTOR ....................... 122 . Removal and Installation ..................................... 182 .
Removal and Installation ..................................... 122 . REMOVAL ........................................................ 183 . G
REMOVAL ........................................................ 123 . INSTALLATION ................................................ 184 .
INSTALLATION ................................................ 124 . INSPECTION AFTER REMOVAL .................... 187 .
EGR VOLUME CONTROL VALVE ........................ 126 . Inspection after Installation .................................. 190 . H
Removal and Installation ..................................... 126 . INSPECTION OF CAMSHAFT SPROCKET
REMOVAL ........................................................ 127 . (INT) OIL GROOVE .......................................... 190 .
INSTALLATION ................................................ 127 . Valve Clearance .................................................. 191 .
I
INTAKE MANIFOLD .............................................. 129 . CHECKING ...................................................... 191 .
Removal and Installation ..................................... 129 . VALVE ADJUSTING ......................................... 194 .
REMOVAL ........................................................ 130 . OIL SEAL ............................................................... 195
.
INSPECTION AFTER REMOVAL .................... 131 . Removal and Installation of Valve Oil Seal .......... 195 . J
INSTALLATION ................................................ 131 . REMOVAL ........................................................ 195 .
INSPECTION AFTER INSTALLATION ............ 132 . INSTALLATION ................................................ 195 .
EXHAUST MANIFOLD AND THREE WAY CATA- Removal and Installation of Front Oil Seal .......... 195 . K
LYST ...................................................................... 134
. REMOVAL ........................................................ 195 .
Removal and Installation ..................................... 134 . INSTALLATION ................................................ 197 .
REMOVAL ........................................................ 135 . Removal and Installation of Rear Oil Seal ........... 198 . L
INSPECTION AFTER REMOVAL .................... 136 . REMOVAL ........................................................ 198 .
INSTALLATION ................................................ 136 . INSTALLATION ................................................ 198 .
OIL PAN AND OIL STRAINER .............................. 138 . CYLINDER HEAD .................................................. 200 .
Removal and Installation ..................................... 138 . On-Vehicle Service .............................................. 200 . M
REMOVAL ........................................................ 138 . CHECKING COMPRESSION PRESSURE ...... 200 .
INSPECTION AFTER REMOVAL .................... 141 . Removal and Installation ..................................... 201 .
INSTALLATION ................................................ 141 . REMOVAL ........................................................ 201 .
INSPECTION AFTER INSTALLATION ............ 143 . INSTALLATION ................................................ 204 .
IGNITION COIL ...................................................... 144 . Disassembly and Assembly ................................. 212 .
Removal and Installation ..................................... 144 . DISASSEMBLY ................................................ 213 .
REMOVAL ........................................................ 144 . ASSEMBLY ...................................................... 213 .
INSTALLATION ................................................ 144 . Inspection After Disassembly .............................. 215 .
SPARK PLUG (PLATINUM-TIPPED TYPE) .......... 145 . CYLINDER HEAD DISTORTION ..................... 215 .
Removal and Installation ..................................... 145 . VALVE GUIDE CLEARANCE ........................... 215 .
REMOVAL ........................................................ 145 . VALVE GUIDE REPLACEMENT ...................... 215 .
INSPECTION AFTER REMOVAL .................... 146 . VALVE SEAT CONTACT .................................. 217 .
INSTALLATION ................................................ 146 . VALVE SEAT REPLACEMENT ........................ 217 .
VALVE SPRING SQUARENESS ...................... 218 .
VALVE SPRING DIMENSIONS AND VALVE
SPRING PRESSURE LOAD ............................ 218 .
Revision: July 2005 EM-3 2006 Altima
ENGINE ASSEMBLY ............................................. 219 . ING .................................................................... 237
.
Removal and Installation ..................................... 219 . PISTON-TO-CYLINDER BORE CLEARANCE . 237
REMOVAL ........................................................ 220. CRANKSHAFT .................................................. 239 .
INSTALLATION ................................................. 222 . BEARING CLEARANCE ................................... 239 .
INSPECTION AFTER INSTALLATION ............. 222 . DRIVE PLATE RUNOUT (A/T) ......................... 243 .
CYLINDER BLOCK ................................................ 224 . FLYWHEEL RUNOUT (M/T) ............................. 243 .
Disassembly and Assembly ................................. 224 . OIL JET ............................................................. 244
.
DISASSEMBLY ................................................ 225 . OIL JET RELIEF VALVE ................................... 244 .
ASSEMBLY ...................................................... 227 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 245 .
Inspection ............................................................ 234
. Standard and Limit ............................................... 245 .
PISTON AND PISTON PIN CLEARANCE ....... 234 . GENERAL SPECIFICATIONS .......................... 245 .
PISTON RING SIDE CLEARANCE .................. 234 . DRIVE BELT ..................................................... 246 .
PISTON RING END GAP ................................. 235 . INTAKE MANIFOLD AND EXHAUST MANI-
CONNECTING ROD BEND AND TORSION .... 235 . FOLD ................................................................ 246
.
CONNECTING ROD BEARING HOUSING SPARK PLUG ................................................... 246 .
DIAMETER (BIG END) ..................................... 236 . CYLINDER HEAD ............................................. 247 .
CONNECTING ROD BUSHING OIL CLEAR- VALVE ............................................................... 247
.
ANCE (SMALL END) ........................................ 236 . CAMSHAFT AND CAMSHAFT BEARING ........ 251 .
CYLINDER BLOCK DISTORTION ................... 237 . CYLINDER BLOCK ........................................... 251 .
INNER DIAMETER OF MAIN BEARING HOUS- PISTON, PISTON RING AND PISTON PIN ..... 252 .
CONNECTING ROD ......................................... 253 .
CRANKSHAFT .................................................. 254 .
AVAILABLE MAIN BEARING ............................ 255 .
CONNECTING ROD BEARING ........................ 255 .
MISCELLANEOUS COMPONENTS ................. 256 .
BEARING CLEARANCE ................................... 256 .
Revision: July 2005 EM-4 2006 Altima
PRECAUTIONS
[QR25DE]
PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EBS00J49
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along EM
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. Information necessary to service the system safely is included in the SRS and SB section of
this Service Manual. C
WARNING:
q 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 per-
formed by an authorized NISSAN/INFINITI dealer. D
q Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section. E
q Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors. F
Precautions for Draining Coolant EBS00J4A
q Drain coolant when engine is cooled. G
Precautions for Disconnecting Fuel Piping EBS00J4B
q Before starting work, make sure no fire or spark producing items are in the work area.
H
q Release fuel pressure before any removal or disassembly.
q After disconnecting pipes, plug openings to stop fuel leakage.
Precautions for Removal and Disassembly EBS00J4C
I
q When instructed to use special service tools, use the specified tools. Always be careful to work safely,
avoid forceful operations.
J
q Use maximum care to avoid damage to mating or sliding surfaces.
q Cover openings of engine system with tape or equivalent, if necessary, to seal out foreign materials.
q Mark and arrange disassembly parts in an organized way for easy troubleshooting and assembly. K
q When loosening nuts and bolts, as a basic rule, start with the one furthest outside, then the one diagonally
opposite, and so on. If the order of loosening is specified, follow the specifications.
Precautions for Inspection, Repair and Replacement EBS00J4D L
q Before repairing or replacing, thoroughly inspect parts. Inspect new replacement parts in the same way,
and replace if necessary.
M
Precautions for Assembly and Installation EBS00J4E
q Use torque wrench to tighten bolts or nuts.
q When tightening nuts and bolts, as a basic rule, equally tighten in several different steps starting with the
ones in center, then ones on inside and outside diagonally in this order. If the order of tightening is speci-
fied, follow the specifications.
q Always replace the old with a new gasket, packing, oil seal or O-ring.
q Thoroughly wash, clean, and air-blow each part. Carefully check oil or coolant passages for any restriction
and blockage.
q Avoid damaging sliding or mating surfaces. Completely remove foreign materials such as cloth lint or dust.
Before assembly, oil sliding surfaces well.
q Bleed the air trapped within the system after draining the coolant.
q Before starting engine, apply fuel pressure to fuel lines with turning ignition switch ON (with engine
stopped). Then make sure that there are no leaks at fuel line connections.
q After repairing, start engine and increase engine speed to check coolant, fuel, oil, and exhaust systems
for leakage or rattles.
Revision: July 2005 EM-5 2006 Altima
PRECAUTIONS
[QR25DE]
Parts Requiring Angular Tightening EBS00J4F
q Use an angle wrench for the final tightening of the following engine parts.
◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo