2006 INFINITI M35 fuel filter

EM-1
ENGINE MECHANICAL
B ENGINE
CONTENTS
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SECTION EM
A
EM
Revision: 2006 January2006 M35/M45
ENGINE MECHANICAL
VQ35DE
PRECAUTIONS .......................................................... 5
Precautions for Procedures without Cowl Top Cover ..... 5
Precautions Necessary for Steering Wheel Rotation
After Battery Disconnect .......................................... 5
OPERATION PROCEDURE ................................. 5
Precautions for Drain Engine Coolant and Engine
Oil ............................................................................. 5
Precautions for Disconnecting Fuel Piping .............. 5
Precautions for Removal and Disassembly ............. 5
Precautions for Inspection, Repair and Replace-
ment ......................................................................... 6
Precautions for Assembly and Installation ............... 6
Precautions for Angle Tightening ............................. 6
Precautions for Liquid Gasket .................................. 6
REMOVAL OF LIQUID GASKET SEALING .......... 6
LIQUID GASKET APPLICATION PROCEDURE ..... 7
PREPARATION ........................................................... 8
Special Service Tools ............................................... 8
Commercial Service Tools ...................................... 10
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING .............................................. 12
NVH Troubleshooting — Engine Noise .................. 12
Use the Chart Below to Help You Find the Cause
of the Symptom. ..................................................... 13
ENGINE ROOM COVER .......................................... 14
Components ........................................................... 14
Removal and Installation ........................................ 14
REMOVAL ........................................................
... 14
INSTALLATION ................................................... 14
DRIVE BELTS ........................................................... 15
Checking Drive Belts .............................................. 15
Tension Adjustment ................................................ 15
ALTERNATOR AND POWER STEERING OIL
PUMP BELT ........................................................ 16
A/C COMPRESSOR BELT ................................. 16
Removal and Installation ........................................ 16
REMOVAL ........................................................
... 16
INSTALLATION ................................................... 16AIR CLEANER AND AIR DUCT ............................... 17
Components ........................................................... 17
Removal and Installation ........................................ 17
REMOVAL ........................................................
... 17
INSTALLATION ................................................... 17
Changing Air Cleaner Filter .................................... 18
REMOVAL ........................................................
... 18
INSTALLATION ................................................... 18
INTAKE MANIFOLD COLLECTOR .......................... 19
Components ........................................................... 19
Removal and Installation ........................................ 19
REMOVAL ........................................................
... 19
INSPECTION AFTER REMOVAL ....................... 21
INSTALLATION ................................................... 22
INTAKE MANIFOLD ................................................. 24
Components ........................................................... 24
Removal and Installation ........................................ 24
REMOVAL ........................................................
... 24
INSPECTION AFTER REMOVAL ....................... 25
INSTALLATION ................................................... 25
EXHAUST MANIFOLD ............................................. 26
Components ........................................................... 26
Removal and Installation ........................................ 26
REMOVAL ........................................................
... 26
INSPECTION AFTER REMOVAL ....................... 27
INSTALLATION ................................................... 27
OIL PAN AND OIL STRAINER ................................. 29
Components (2WD Models) ................................... 29
Removal and Installation (2WD Models) ................ 29
REMOVAL ........................................................
... 29
INSPECTION AFTER REMOVAL ....................... 31
INSTALLATION ................................................... 31
INSPECTION AFTER INSTALLATION ................ 34
Components (AWD Models) ................................... 35
Removal and Installation (AWD Models) ................ 36
REMOVAL ........................................................
... 36
INSPECTION AFTER REMOVAL ....................... 38
INSTALLATION ................................................... 38
INSPECTION AFTER INSTALLATION ................ 41

EM-3
C
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EMA
Revision: 2006 January2006 M35/M45 ANCE ................................................................146
MAIN BEARING OIL CLEARANCE ..................147
MAIN BEARING CRUSH HEIGHT ....................148
CONNECTING ROD BEARING CRUSH
HEIGHT .............................................................148
MAIN BEARING CAP BOLT OUTER DIAMETER .148
CONNECTING ROD BOLT OUTER DIAMETER .149
DRIVE PLATE ...................................................149
OIL JET .............................................................149
OIL JET RELIEF VALVE ...................................149
SERVICE DATA AND SPECIFICATIONS (SDS) ....150
Standard and Limit ...............................................150
GENERAL SPECIFICATIONS ..........................150
DRIVE BELT .....................................................151
INTAKE MANIFOLD COLLECTOR, INTAKE
MANIFOLD AND EXHAUST MANIFOLD .........151
SPARK PLUG ...................................................151
CAMSHAFT AND CAMSHAFT BEARING ........152
CYLINDER HEAD .............................................154
CYLINDER BLOCK ...........................................157
PISTON, PISTON RING AND PISTON PIN ......158
CONNECTING ROD .........................................159
CRANKSHAFT ..................................................160
MAIN BEARING ................................................161
CONNECTING ROD BEARING ........................162
VK45DE
PRECAUTIONS ......................................................163
Precautions for Procedures without Cowl Top Cover .163
Precautions Necessary for Steering Wheel Rotation
After Battery Disconnect ......................................163
OPERATION PROCEDURE .............................163
Precautions for Drain Engine Coolant and Engine
Oil .........................................................................163
Precautions for Disconnecting Fuel Piping ..........163
Precautions for Removal and Disassembly .........163
Precautions for Inspection, Repair and Replace-
ment .....................................................................164
Precautions for Assembly and Installation ...........164
Parts Requiring Angle Tightening .........................164
Precautions for Liquid Gasket ..............................164
REMOVAL OF LIQUID GASKET SEALING ......164
LIQUID GASKET APPLICATION PROCEDURE .165
PREPARATION .......................................................166
Special Service Tools ...........................................166
Commercial Service Tools ....................................169
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ............................................171
NVH Troubleshooting — Engine Noise ................171
Use the Chart Below to Help You Find the Cause
of the Symptom. ...................................................172
ENGINE ROOM COVER ........................................173
Components .........................................................173
Removal and Installation ......................................173
REMOVAL ........................................................
.173
INSTALLATION .................................................173DRIVE BELTS .........................................................174
Components .........................................................174
Checking Drive Belts ............................................174
Tension Adjustment .............................................
.174
Removal and Installation ......................................174
REMOVAL ........................................................
.174
INSTALLATION .................................................175
Components .........................................................176
Drive Belt Auto Tensioner and Idler Pulley ...........176
REMOVAL ........................................................
.176
INSTALLATION .................................................176
AIR CLEANER AND AIR DUCT .............................177
Components .........................................................177
Removal and Installation ......................................177
REMOVAL ........................................................
.177
INSPECTION AFTER REMOVAL .....................178
INSTALLATION .................................................178
Changing Air Cleaner Filter ..................................178
REMOVAL ........................................................
.178
INSTALLATION .................................................178
INTAKE MANIFOLD ..............................................
.179
Components .........................................................179
Removal and Installation ......................................180
REMOVAL ........................................................
.180
INSPECTION AFTER REMOVAL .....................182
INSTALLATION .................................................182
INSPECTION AFTER INSTALLATION ..............182
EXHAUST MANIFOLD AND THREE WAY CATA-
LYST ........................................................................183
Components .........................................................183
Removal and Installation ......................................183
REMOVAL ........................................................
.183
INSPECTION AFTER REMOVAL .....................185
INSTALLATION .................................................185
OIL PAN AND OIL STRAINER ...............................187
Components .........................................................187
Removal and Installation ......................................187
REMOVAL ........................................................
.187
INSPECTION AFTER REMOVAL .....................188
INSTALLATION .................................................188
INSPECTION AFTER INSTALLATION ..............189
IGNITION COIL .......................................................190
Components .........................................................190
Removal and Installation ......................................190
REMOVAL ........................................................
.190
INSTALLATION .................................................190
SPARK PLUG (PLATINUM-TIPPED TYPE) ...........191
Components .........................................................191
Removal and Installation ......................................191
REMOVAL ........................................................
.191
INSPECTION AFTER REMOVAL .....................191
INSTALLATION .................................................192
FUEL INJECTOR AND FUEL TUBE ......................193
Components .........................................................193
Removal and Installation ......................................193
REMOVAL ........................................................
.193
INSTALLATION .................................................195
INSPECTION AFTER INSTALLATION ..............197

FL-1
FUEL SYSTEM
B ENGINE
CONTENTS
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SECTION FL
A
FL
Revision: 2006 January2006 M35/M45
FUEL SYSTEM
PREPARATION ........................................................... 2
Commercial Service Tools ........................................ 2
FUEL SYSTEM ........................................................... 3
Checking Fuel Lines ............................................ ..... 3
General Precautions ................................................ 3
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND
FUEL PUMP ASSEMBLY ........................................... 4
Components ............................................................. 4
Removal and Installation .......................................... 4
REMOVAL ........................................................
..... 4
INSTALLATION ..................................................... 6
INSPECTION AFTER INSTALLATION ................. 7Components ............................................................. 8
Disassembly and Assembly ...................................... 8
DISASSEMBLY ..................................................... 8
ASSEMBLY ........................................................... 9
FUEL TANK .............................................................. 10
Components ........................................................... 10
Removal and Installation ........................................ 10
REMOVAL ........................................................
... 10
INSTALLATION ................................................... 11
INSPECTION AFTER INSTALLATION ................ 11
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 13
Standard and Limit .................................................. 13
FUEL TANK ...................................................... ... 13

FL-4
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
Revision: 2006 January2006 M35/M45
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLYPFP:17042
ComponentsNBS005RA
Removal and InstallationNBS005RB
REMOVAL
WAR NING :
Read “General Precautions” when working on the fuel system. Refer to FL-3, "
General Precautions" .
1. Check fuel level on fuel gauge. If fuel gauge indicates more than
the level as shown in the figure (full or almost full), drain fuel
from fuel tank until fuel gauge indicates level as shown in the fig-
ure or below.
NOTE:
Because fuel will be spilled when removing main and sub fuel
level sensor units for the top of the fuel is above the main and
sub fuel level sensor units installation surface.
As a guide, fuel level becomes the position as shown in the
figure or below when approximately 20 (5-1/4 US gal, 4-3/8
Imp gal) of fuel are drained from fuel tank.
In a case that fuel pump does not operate, perform the follow-
ing procedure.
a. Insert hose of less than 25 mm (0.98 in) in diameter into fuel filler tube through fuel filler opening to draw
fuel from fuel filler tube.
b. Disconnect fuel filler hose from fuel filler tube. Refer to FL-10, "
FUEL TANK" .
c. Insert fuel tube into fuel tank through fuel filler hose to draw fuel from fuel tank.
2. Release the fuel pressure from the fuel lines. Refer to EC-98, "
FUEL PRESSURE RELEASE" (VQ35DE)
or EC-809, "
FUEL PRESSURE RELEASE" (VK45DE).
1. Retainer 2.Main fuel level sensor unit, fuel filter
and fuel pump assembly3. O-ring
4. Sub fuel level sensor unit
PBIC1585E
KBIA3570J

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
FL-5
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FL
Revision: 2006 January2006 M35/M45
3. Open fuel filler lid.
4. Open filler cap and release the pressure inside fuel tank.
5. Remove rear seat cushion. Refer to SE-172, "
REAR SEAT" .
6. Peel off floor carpet, then remove inspection hole cover units by
turning clips clockwise by 90 degrees.
7. Disconnect harness connector and fuel feed tube.
Disconnect quick connector as follows:
Hold the sides of connector, push in tabs and pull out fuel feed
tube.
If quick connector sticks to tube of main fuel level sensor unit,
push and pull quick connector several times until they start to
move.Then disconnect them by pulling.Right side : Main fuel level sensor unit, fuel filter
and fuel pump assembly
Left side : Sub fuel level sensor unit
PBIC1576E
PBIC1577E
SFE562A

FL-6
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
Revision: 2006 January2006 M35/M45
CAUTION:
Quick connector can be disconnected when the tabs
are completely depressed. Do not twist it more than
necessary.
Do not use any tools to disconnected quick connector.
Keep resin tube away from heat. Be especially careful
when welding near the resin tube.
Prevent acid liquid such as battery electrolyte, etc.
from getting on resin tube.
Do not bend or twist resin tube during installation and
disconnection.
Do not remove the remaining retainer on hard tube (or
the equivalent) except when resin tube or retainer is
replaced.
When resin tube or hard tube (or the equivalent) is
replaced, also replace retainer with new one.
To keep the connecting portion clean and to avoid
damage and foreign materials, cover them completely
with plastic bags or something similar.
8. Remove main fuel level sensor unit, fuel filter and fuel pump assembly, and sub fuel level sensor unit as
follows:
CAUTION:
Do not bend float arm during removal.
Avoid impacts such as falling when handling components.
a. Removal of main fuel level sensor unit, fuel filter and fuel pump assembly:
i. Remove retainer.
ii. Raise main fuel level sensor unit, fuel filter and fuel pump
assembly, and using snap ring pliers, remove fuel hose connec-
tor.
CAUTION:
Be careful not to damage fuel hose connector by expanding
them excessively.
b. Removal of sub fuel level sensor unit:
i. Remove retainer.
ii. Raise and release sub fuel level sensor unit to remove.
INSTALLATION
Note to the following, and install in the reverse order of removal. Retainer color: Green
SBIA0504E
PBIC0163E
PBIC1578E

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
FL-7
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Revision: 2006 January2006 M35/M45
Fuel hose
When installing fuel hose connector insert them fully until a click
sound of full stopper engagement is heard.
Main and Sub Fuel Level Sensor Unit
Face main and sub fuel level sensor units as shown in the fig-
ure, and install them with the knock pin on back aligned with pin
hole on fuel tank.
Install retainer so that its notch becomes parallel with the notch
on fuel tank.
Tighten retainer mounting bolts evenly.
Quick Connector
Connect quick connector as follows:
1. Check the connection for damage or any foreign materials.
2. Align the connector with the tube, then insert the connector straight into the tube until a click sound is
heard.
3. After connecting, make sure that the connection is secure by following method.
Pull the tube and the connector to make sure they are
securely connected.
Visually confirm that the two retainer tabs are connected to
the connector.
INSPECTION AFTER INSTALLATION
Use the following procedure to check for fuel leaks.
PBIC1579E
PBIC1065E
PBIC1652E
PBIC1653E

FL-8
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
Revision: 2006 January2006 M35/M45
1. Turn ignition switch “ON” (with engine stopped), then check connections for leaks by applying fuel pres-
sure to fuel piping.
2. Start engine and let it idle and make sure there are no fuel leaks at the fuel system connections.
ComponentsNBS005RC
Disassembly and AssemblyNBS005RD
CAUTION:
Sub fuel level sensor unit cannot be disassembled and should be replaced as a unit.
DISASSEMBLY
Remove fuel level sensor unit as follows.
1. Disconnect harness connector.
Hold connector by fingers and pull it out, because there is no
stopper release tab.
2. Using suitable tool, pull up tabs points as shown in the figure
(two points) to release the lock.
CAUTION:
Be careful not to damage it.
3. After fixing tabs are disengaged, slide fuel level sensor unit out
in direction shown by the arrow.
CAUTION:
Do not disassemble fuel filter and fuel pump assembly.
1. Fuel level sensor unit 2. Fuel filter and fuel pump assembly
PBIC1081E
PBIC1078E
PBIC1654E
PBIC1080E