Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Maxima 2000-2005 Approved Nissan Maxima 2005 em
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B ENGINE
A
EM
SECTION
ENGINE MECHANICAL C
D
E
CONTENTS
PRECAUTIONS ......................................................... 3 . EGR VOLUME CONTROL VALVE .......................... 22 . F
Precautions for Supplemental Restraint System Removal and Installation ....................................... 22 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- REMOVAL .......................................................... 23 .
SIONER" ................................................................. 3
. INSTALLATION .................................................. 23 . G
Precautions for Drain Coolant ................................. 3 . INTAKE MANIFOLD ................................................ 25 .
Precautions for Disconnecting Fuel Piping ............. 3 . Removal and Installation ....................................... 25 .
Precautions for Removal and Disassembly ............ 3 . REMOVAL .......................................................... 25 .
H
Precautions for Inspection, Repair and Replace- INSPECTION AFTER REMOVAL ...................... 26 .
ment ........................................................................ 3
. INSTALLATION .................................................. 26 .
Precautions for Assembly and Installation .............. 3 . EXHAUST MANIFOLD AND THREE WAY CATA-
Parts Requiring Angular Tightening ........................ 4 . LYST ......................................................................... 27
. I
Precautions for Liquid Gasket ................................. 4 . Removal and Installation ....................................... 27 .
REMOVAL OF LIQUID GASKET SEALING ......... 4 . REMOVAL .......................................................... 28 .
LIQUID GASKET APPLICATION PROCEDURE 4 ..... INSPECTION AFTER REMOVAL ...................... 29 . J
PREPARATION .......................................................... 6 . INSTALLATION .................................................. 29 .
Special Service Tools .............................................. 6 . OIL PAN AND OIL STRAINER ................................ 31 .
Commercial Service Tools ....................................... 8 . Removal and Installation ....................................... 31 .
K
NOISE, VIBRATION, AND HARSHNESS (NVH) REMOVAL .......................................................... 31 .
TROUBLESHOOTING ............................................. 10 . INSPECTION AFTER REMOVAL ...................... 34 .
NVH Troubleshooting -- Engine Noise ................. 10 . INSTALLATION .................................................. 34 .
Use the Chart Below to Help You Find the Cause INSPECTION AFTER INSTALLATION ............... 36 . L
of the Symptom. .....................................................11 . IGNITION COIL ........................................................ 37 .
DRIVE BELTS .......................................................... 12 . Removal and Installation ....................................... 37 .
Checking Drive Belts ............................................. 12 . REMOVAL .......................................................... 37 . M
Tension Adjustment ............................................... 13 . INSTALLATION .................................................. 37 .
GENERATOR AND AIR CONDITIONER COM- SPARK PLUG (PLATINUM-TIPPED TYPE) ............ 38 .
PRESSOR BELT ................................................ 14 . Removal and Installation ....................................... 38 .
POWER STEERING OIL PUMP BELT .............. 15 . REMOVAL .......................................................... 38 .
Removal and Installation ....................................... 15 . INSPECTION AFTER REMOVAL ...................... 39 .
REMOVAL .......................................................... 15 . INSTALLATION .................................................. 39 .
INSTALLATION .................................................. 15 . FUEL INJECTOR AND FUEL TUBE ....................... 40 .
AIR CLEANER AND AIR DUCT .............................. 16 . Removal and Installation ....................................... 40 .
Removal and Installation ....................................... 16 . REMOVAL .......................................................... 40 .
REMOVAL .......................................................... 16 . INSTALLATION .................................................. 41 .
INSTALLATION .................................................. 17 . INSPECTION AFTER INSTALLATION ............... 41 .
CHANGING AIR CLEANER FILTER .................. 17 . ROCKER COVER .................................................... 43 .
INTAKE MANIFOLD COLLECTOR ......................... 18 . Removal and Installation ....................................... 43 .
Removal and Installation ....................................... 18 . REMOVAL .......................................................... 43 .
REMOVAL .......................................................... 19 . INSTALLATION .................................................. 44 .
INSTALLATION .................................................. 20 .
Revision: July 2005 EM-1 2005 Maxima
FRONT TIMING CHAIN CASE ................................ 46 . How to Select Piston and Bearing ....................... 133 .
Removal and Installation ....................................... 46 . DESCRIPTION ................................................. 133 .
REMOVAL .......................................................... 47
. HOW TO SELECT A PISTON .......................... 134 .
INSTALLATION ................................................... 53. HOW TO SELECT CONNECTING ROD BEAR-
TIMING CHAIN ......................................................... 58
. INGS ................................................................. 135
.
Removal and Installation ....................................... 58 . HOW TO SELECT MAIN BEARINGS ............... 136 .
REMOVAL .......................................................... 59
. Inspection After Disassembly ............................... 139 .
INSPECTION AFTER REMOVAL ....................... 70 . CRANKSHAFT END PLAY ............................... 139 .
INSTALLATION ................................................... 70. CONNECTING ROD SIDE CLEARANCE ........ 139 .
CAMSHAFT .............................................................. 83
. PISTON AND PISTON PIN CLEARANCE ........ 139 .
Removal and Installation ....................................... 83 . PISTON RING SIDE CLEARANCE .................. 140 .
REMOVAL .......................................................... 84
. PISTON RING END GAP ................................. 140 .
INSPECTION AFTER REMOVAL ....................... 86 . CONNECTING ROD BEND AND TORSION .... 141 .
INSTALLATION ................................................... 88. CONNECTING ROD BEARING HOUSING
INSPECTION AFTER INSTALLATION .................. 92 . DIAMETER (BIG END) ..................................... 141 .
INSPECTION OF CAMSHAFT SPROCKET CONNECTING ROD BUSHING OIL CLEAR-
(INT) OIL GROOVE ............................................ 92 . ANCE (SMALL END) ........................................ 141 .
Valve Clearance ..................................................... 93
. CYLINDER BLOCK DISTORTION ................... 142 .
CHECKING ......................................................... 93
. INNER DIAMETER OF MAIN BEARING HOUS-
VALVE ADJUSTING ........................................... 95 . ING .................................................................... 143
.
OIL SEAL ................................................................. 97
. PISTON-TO-CYLINDER BORE CLEARANCE . 143
Removal and Installation of Valve Oil Seal ............ 97 . OUTER DIAMETER OF CRANKSHAFT JOUR-
REMOVAL .......................................................... 97
. NAL ................................................................... 145
.
INSTALLATION ................................................... 97. OUTER DIAMETER OF CRANKSHAFT PIN ... 145 .
Removal and Installation of Front Oil Seal ............ 97 . OUT-OF-ROUND AND TAPER OF CRANK-
REMOVAL .......................................................... 97
. SHAFT .............................................................. 145
.
INSTALLATION ................................................... 99. CRANKSHAFT RUNOUT ................................. 145 .
Removal and Installation of Rear Oil Seal ............. 99 . OIL CLEARANCE OF CONNECTING ROD
REMOVAL .......................................................... 99
. BEARING .......................................................... 145 .
INSTALLATION ................................................. 100 . OIL CLEARANCE OF MAIN BEARING ............ 146 .
CYLINDER HEAD .................................................. 101 . CRUSH HEIGHT OF MAIN BEARING ............. 147 .
On-Vehicle Service .............................................. 101. CRUSH HEIGHT OF CONNECTING ROD
CHECKING COMPRESSION PRESSURE ...... 101 . BEARING .......................................................... 147 .
Removal and Installation ..................................... 102 . OUTER DIAMETER OF MAIN BEARING CAP
REMOVAL ........................................................ 102
. BOLTS .............................................................. 147
.
INSPECTION AFTER REMOVAL ..................... 104 . OUTER DIAMETER OF CONNECTING ROD
INSTALLATION ................................................. 104 . BOLTS .............................................................. 148
.
Disassembly and Assembly ................................. 110 . DRIVE PLATE RUNOUT (A/T) ......................... 148 .
DISASSEMBLY .................................................111 . FLYWHEEL RUNOUT (M/T) ............................. 148 .
Inspection After Disassembly .............................. 112 . OIL JET ............................................................. 149
.
CYLINDER HEAD DISTORTION ..................... 112 . OIL JET RELIEF VALVE ................................... 149 .
VALVE DIMENSIONS ....................................... 112 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 150 .
VALVE GUIDE CLEARANCE ........................... 112 . Standard and Limit ............................................... 150 .
VALVE GUIDE REPLACEMENT ...................... 113 . GENERAL SPECIFICATIONS .......................... 150 .
VALVE SEAT CONTACT .................................. 114 . DRIVE BELT ..................................................... 151 .
VALVE SEAT REPLACEMENT ........................ 114 . INTAKE MANIFOLD COLLECTOR, INTAKE
VALVE SPRING SQUARENESS ...................... 115 . MANIFOLD AND EXHAUST MANIFOLD ......... 151 .
VALVE SPRING DIMENSIONS AND VALVE SPARK PLUG ................................................... 151 .
SPRING PRESSURE LOAD ............................ 115 . CYLINDER HEAD ............................................. 152 .
ASSEMBLY ...................................................... 115. VALVE ............................................................... 152
.
ENGINE ASSEMBLY ............................................. 117 . CAMSHAFT AND CAMSHAFT BEARING ........ 156 .
Removal and Installation ..................................... 117 . CYLINDER BLOCK ........................................... 156 .
REMOVAL ........................................................ 117
. PISTON, PISTON RING AND PISTON PIN ..... 157 .
INSTALLATION ................................................. 120 . CONNECTING ROD ......................................... 158 .
INSPECTION AFTER INSTALLATION ............. 121 . CRANKSHAFT .................................................. 159 .
CYLINDER BLOCK ................................................ 122 . AVAILABLE MAIN BEARING ............................ 160 .
Disassembly and Assembly ................................. 122 . CONNECTING ROD BEARING ........................ 160 .
DISASSEMBLY ................................................ 123 . MISCELLANEOUS COMPONENTS ................. 161 .
ASSEMBLY ...................................................... 126. BEARING CLEARANCE ................................... 161 .
Revision: July 2005 EM-2 2005 Maxima
PRECAUTIONS
PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EBS00M8F
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 Drain Coolant EBS00M8G
q Drain coolant when engine is cooled. G
Precautions for Disconnecting Fuel Piping EBS00M8H
q Before starting work, make sure no fire or spark producing items are in the work area.
H
q Release fuel pressure before disassembly.
q After disconnecting pipes, plug openings to stop fuel leakage.
Precautions for Removal and Disassembly EBS00M8I
I
q When instructed to use special service tools, use the specified tools. Always be careful to work safely,
avoid forceful or uninstructed operations.
J
q Exercise maximum care to avoid damage to mating or sliding surfaces.
q Cover openings of engine system with tape or the 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, do exactly as specified. Power tools may be
used where noted in the step.
L
Precautions for Inspection, Repair and Replacement EBS00M8J
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 EBS00M8K
q Use torque wrench to tighten bolts or nuts to specification.
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, do exactly as specified.
q Replace with 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 Release air within route after draining 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.
Revision: July 2005 EM-3 2005 Maxima
PRECAUTIONS
q After repairing, start engine and increase engine speed to check coolant, fuel, oil, and exhaust systems
for leakage.
Parts Requiring Angular Tightening EBS00M8L
q Use an angle wrench for the final tightening of the following engine parts:
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