Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti EX35 2008 Approved files EM
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ENGINE
A
SECTION
ENGINE MECHANICAL
EM EM
C
D
E
CONTENTS
SYMPTOM DIAGNOSIS .............................. 3
. Removal and Installation ........................................15
. F
NOISE, VIBRATION AND HARSHNESS SPARK PLUG ................................................... 16
(NVH) TROUBLESHOOTING ............................ 3
. Exploded View ........................................................16
.
G
NVH Troubleshooting - Engine Noise ................... 3 . Removal and Installation ........................................16 .
Use the Chart Below to Help You Find the C Inspection ...............................................................17
.
ause of the Symptom ............................................. 3
.
CAMSHAFT VALVE CLEARANCE .................. 18 H
PRECAUTION .............................................. 5
. Inspection and Adjustment .....................................18
.
PRECAUTIONS .................................................. 5
. COMPRESSION PRESSURE ........................... 23
Inspection ...............................................................23
. I
Precaution for Procedure without Cowl Top Cover 5 ......
Precaution for Supplemental Restraint System
ON-VEHICLE REPAIR ................................ 25
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
J
SIONER" .................................................................. 5
. ENGINE COVER ............................................... 25
Precaution Necessary for Steering Wheel Rota- Exploded View ........................................................25
.
tion after Battery Disconnect .................................... 5. Removal and Installation ........................................25
.
Draining Engine Coolant ......................................... 6 . K
Disconnecting Fuel Piping ...................................... 6 . DRIVE BELT AUTO TENSIONER AND IDLER
Removal and Disassembly ..................................... 6 . PULLEY ............................................................. 26
Inspection, Repair and Replacement ..................... 6 . Exploded View ........................................................26
. L
Assembly and Installation ....................................... 6 . Removal and Installation ........................................26
.
Parts Requiring Angle Tightening .......................... 6 .
Liquid Gasket .......................................................... 7
. AIR CLEANER AND AIR DUCT ....................... 27
Exploded View ........................................................27
. M
Definitions of Bank Names ....................................... 8 .
Removal and Installation ........................................27 .
PREPARATION ........................................... 9
. Inspection ...............................................................28
.
N
PREPARATION .................................................. 9
. INTAKE MANIFOLD COLLECTOR .................. 29
Special Service Tools ............................................. 9
. Exploded View ........................................................29
.
Commercial Service Tools .................................... 10
. Removal and Installation ........................................29
.
O
ON-VEHICLE MAINTENANCE ................... 13
. INTAKE MANIFOLD ......................................... 32
Exploded View ........................................................32
.
DRIVE BELT ......................................................13
. Removal and Installation ........................................32 . P
Exploded View ....................................................... 13
. Inspection ...............................................................33
.
Checking ................................................................ 13
.
Tension Adjustment ............................................... 13 . EXHAUST MANIFOLD ...................................... 34
Removal and Installation ........................................ 13 . Exploded View ........................................................34
.
Inspection ............................................................... 14
. Removal and Installation ........................................34 .
Inspection ...............................................................36
.
AIR CLEANER FILTER .....................................15
.
Revision: 2007 November EM-1 2008 EX35
FUEL INJECTOR AND FUEL TUBE ................ 37
. ENGINE UNIT ................................................... 91
.
Exploded View ....................................................... 37
. Disassembly ........................................................... 91
.
Removal and Installation ....................................... 37 . Assembly ............................................................... 91
.
Inspection .............................................................. 42
.
REAR TIMING CHAIN CASE ........................... 92
.
OIL PAN (LOWER) ........................................... 43
. Exploded View ....................................................... 92
.
Exploded View (2WD) ........................................... 43 . Disassembly ........................................................... 93
.
Exploded View (AWD) ........................................... 44 . Assembly ............................................................... 94
.
Removal and Installation ....................................... 44 .
Inspection .............................................................. 46
. OIL PAN (UPPER) AND OIL STRAINER ......... 97
.
IGNITION COIL, SPARK PLUG AND ROCK- 2WD .......................................................................... 97
.
ER COVER ........................................................ 47
. 2WD : Exploded View ............................................ 97 .
2WD : Disassembly and Assembly ........................ 97 .
Exploded View ....................................................... 47
.
2WD : Inspection .................................................... 99 .
Removal and Installation ....................................... 47
.
AWD ......................................................................... 99
.
TIMING CHAIN ................................................. 50
.
AWD : Exploded View .......................................... 100 .
Exploded View ....................................................... 50
.
AWD : Disassembly and Assembly ...................... 100 .
Removal and Installation ....................................... 51 .
AWD : Inspection ................................................. 103 .
Inspection .............................................................. 65
.
CYLINDER HEAD ............................................ 104
.
CAMSHAFT ...................................................... 67
.
Exploded View ..................................................... 104.
Exploded View ....................................................... 67
.
Disassembly and Assembly ................................. 104 .
Removal and Installation ....................................... 67 .
Inspection ............................................................. 111
.
Inspection .............................................................. 71
.
CYLINDER BLOCK ......................................... 114
.
OIL SEAL .......................................................... 76
.
Exploded View ..................................................... 114.
VALVE OIL SEAL .................................................... 76
. Disassembly and Assembly ................................. 115 .
VALVE OIL SEAL : Removal and Installation ........ 76 . Inspection ............................................................. 123
.
FRONT OIL SEAL .................................................... 76
. HOW TO SELECT PISTON AND BEARING .. 133
FRONT OIL SEAL : Removal and Installation ....... 76 . Description ........................................................... 133
.
Piston ................................................................... 133
.
REAR OIL SEAL ...................................................... 77
. Connecting Rod Bearing .................................... 134 .
REAR OIL SEAL : Removal and Installation ......... 77 . Main Bearing ....................................................... 136 .
REMOVAL AND INSTALLATION .............. 79
. SERVICE DATA AND SPECIFICATIONS
ENGINE ASSEMBLY ........................................ 79
. (SDS) ......................................................... 139
2WD .......................................................................... 79
. SERVICE DATA AND SPECIFICATIONS
2WD : Exploded View ............................................ 79 . (SDS) ............................................................... 139
.
2WD : Removal and Installation ............................ 79 . General Specification .......................................... 139 .
2WD : Inspection ................................................... 82 . Drive Belt ............................................................. 139
.
Spark Plug ........................................................... 140
.
AWD ......................................................................... 83
. Intake Manifold ..................................................... 140
.
AWD : Exploded View ........................................... 83 . Exhaust Manifold ................................................. 140 .
AWD : Removal and Installation ............................ 84 . Camshaft .............................................................. 140
.
AWD : Inspection ................................................... 87 . Cylinder Head ..................................................... 142.
Cylinder Block ..................................................... 144
.
DISASSEMBLY AND ASSEMBLY ............ 89
. Main Bearing ....................................................... 148
.
ENGINE STAND SETTING ............................... 89
. Connecting Rod Bearing .................................... 149 .
Setting ................................................................... 89
.
Revision: 2007 November EM-2 2008 EX35
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
< SYMPTOM DIAGNOSIS >
SYMPTOM DIAGNOSIS A
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting - Engine Noise INFOID:0000000003139068
EM
C
D
E
F
G
H
I
J
K
L
M
N
O
P
JPBIA0001GB
Use the Chart Below to Help You Find the Cause of the Symptom INFOID:0000000003139069
1. Locate the area where noise occurs.
Revision: 2007 November EM-3 2008 EX35
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
< SYMPTOM DIAGNOSIS >
2. Confirm the type of noise.
3. Specify the operating condition of the engine.
4. Check specified noise source.
If necessary, repair or replace these parts.
Operating condition of engine
Location Type of Before After When Source of Refer-
When When While Check item
of noise noise warm- warm- start- noise ence page
idling racing driving
up up ing
Top of en- Ticking or Tappet
C A -- A B -- Valve clearance EM-18
gine clicking noise
Rocker
cover Camshaft Camshaft runout EM-140
Cylinder Rattle C A -- A B C bearing Camshaft journal oil EM-140
head noise clearance
Piston to piston pin oil
EM-144
Slap or Piston pin clearance
-- A -- B B --
knock noise Connecting rod bushing
EM-144
oil clearance
Piston to cylinder bore EM-144
Crank- clearance
shaft pul- Piston ring side clear- EM-144
Slap or Piston
ley A -- -- B B A ance
rap slap noise
Cylinder Piston ring end gap EM-144
block Connecting rod bend EM-144
(Side of and torsion
engine) Connect- Connecting rod bushing EM-144
Oil pan ing rod oil clearance
Knock A B C B B B
bearing Connecting rod bearing EM-149
noise oil clearance
Main bearing oil clear- EM-148
Main bear-
Knock A B -- A B C ance
ing noise
Crankshaft runout EM-144
Timing
Front of chain and Timing chain cracks EM-65
engine Tapping or timing and wear
A A -- B B B
Timing ticking chain ten- Timing chain tensioner EM-51
chain case sioner operation
noise
Drive belt
Squeak-
(Sticking
ing or fizz- A B -- B -- C Drive belt deflection
or slip-
ing EM-13
ping)
Front of
Drive belt Idler pulley bearing op-
engine Creaking A B A B A B
(Slipping) eration
Water CO-18,
Squall
A B -- B A B pump Water pump operation "Exploded
Creak
noise View"
A: Closely related B: Related C: Sometimes related --: Not related
Revision: 2007 November EM-4 2008 EX35
PRECAUTIONS
< PRECAUTION >
PRECAUTION A
PRECAUTIONS
Precaution for Procedure without Cowl Top Cover INFOID:0000000003554244
EM
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.
C
D
E
PIIB3706J
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT F
PRE-TENSIONER" INFOID:0000000003554243
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along G
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
H
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 "SRS AIRBAG" and "SEAT BELT" of this
Service Manual.
WARNING: I
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