2005 INFINITI FX35 steering

SERVICE DATA AND SPECIFICATIONS (SDS) EC-1395
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Revision: 2005 July 2005 FX
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Fuel PressureABS007Y4
Idle Speed and Ignition TimingABS007Y5
*: Under the following conditions:

Air conditioner switch: OFF

Electric load: OFF (Lights, heater fan & rear window defogger)

Steering wheel: Kept in straight-ahead position
Calculated Load ValueABS007Y6
Mass Air Flow SensorABS007Y7
*: Engine is warmed up to normal operating temperature and running under no-load.
Intake Air Temperature SensorABS007Y8
Engine Coolant Temperature SensorABS007Y9
Fuel Tank Temperature SensorABS00E8W
Crankshaft Position Sensor (POS)ABS007YC
Refer to EC-1042, "Component Inspection" .
Camshaft Position Sensor (PHASE)ABS007YD
Refer to EC-1049, "Component Inspection" .
Heated Oxygen Sensor 1 HeaterABS007YA
Fuel pressure at idling kPa (kg/cm2 , psi) Approximately 350 (3.57, 51)
Target idle speed No-load* (in P or N position) 650
±50 rpm
Air conditioner: ON In P or N position 700 rpm or more
Ignition timing In P or N position 12 ° ± 5 ° BTDC
Condition Calculated load value% (Using CONSULT-II or GST)
At idle 14.0 - 33.0
At 2,500 rpm 12.0 - 25.0
Supply voltageBattery voltage (11 - 14V)
Output voltage at idle 1.0 - 1.3V*
Mass air flow (Using CONSULT-II or GST) 2.0 - 6.0 g·m/sec at idle*
7.0 - 20.0 g·m/sec at 2,500 rpm*
Temperature °C ( °F) Resistance k Ω
25 (77) 1.94 - 2.06
Temperature °C ( °F) Resistance k Ω
20 (68) 2.1 - 2.9
50 (122) 0.68 - 1.00
90 (194) 0.236 - 0.260
Temperature °C ( °F) Resistance k Ω
20 (68) 2.3 - 2.7
50 (122) 0.79 - 0.90
Resistance [at 25°C (77 °F)] 3.3 - 4.0 Ω

EM-1
ENGINE MECHANICAL
B ENGINE
CONTENTS
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SECTION EM
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ENGINE MECHANICAL
VQ35DE
PRECAUTIONS .......................................................... 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 .................................................................... ..... 5
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 ..... 6
PREPARATION ...................................................... ..... 8
Special Service Tools .......................................... ..... 8
Commercial Service Tools ................................... ... 10
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ........................................... ... 13
NVH Troubleshooting — Engine Noise ............... ... 13
Use the Chart Below to Help You Find the Cause
of the Symptom. .................................................. ... 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 ................................................ ... 16
AIR CLEANER AND AIR DUCT ............................ ... 17
Components ........................................................ ... 17
Removal and Installation ..................................... ... 17
REMOVAL ........................................................ ... 17
INSPECTION AFTER REMOVAL .................... ... 17 INSTALLATION ................................................
... 18
Changing Air Cleaner Filter ................................. ... 18
INSPECTION ................................................... ... 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 AND THREE WAY CATA-
LYST ....................................................................... ... 26
Components ........................................................ ... 26
Removal and Installation ..................................... ... 26
REMOVAL ........................................................ ... 26
INSPECTION AFTER REMOVAL .................... ... 28
INSTALLATION ................................................ ... 28
OIL PAN AND OIL STRAINER .............................. ... 30
Components (2WD Model) .................................. ... 30
Removal and Installation (2WD Model) ............... ... 30
REMOVAL ........................................................ ... 30
INSPECTION AFTER REMOVAL .................... ... 32
INSTALLATION ................................................ ... 32
INSPECTION AFTER INSTALLATION ............. ... 35
Components (AWD Model) .................................. ... 35
Removal and Installation (AWD Model) ............... ... 36
REMOVAL ........................................................ ... 36
INSPECTION AFTER REMOVAL .................... ... 38
INSTALLATION ................................................ ... 38
INSPECTION AFTER INSTALLATION ............. ... 41

EM-3
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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 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 .................................................................... . 163
Precautions for Assembly and Installation .......... . 163
Parts Requiring Angle Tightening ........................ . 164
Precautions for Liquid Gasket ............................. . 164
REMOVAL OF LIQUID GASKET SEALING ..... . 164
LIQUID GASKET APPLICATION PROCEDURE . 164
PREPARATION ...................................................... . 166
Special Service Tools .......................................... . 166
Commercial Service Tools ................................... . 168
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ........................................... . 170
NVH Troubleshooting — Engine Noise ............... . 170
Use the Chart Below to Help You Find the Cause
of the Symptom. .................................................. . 171
ENGINE ROOM COVER ....................................... . 172
Components ........................................................ . 172
Removal and Installation ..................................... . 172
REMOVAL ........................................................ . 172
INSTALLATION ................................................ . 172
DRIVE BELTS ........................................................ . 173
Components ........................................................ . 173 Checking Drive Belts ...........................................
.173
Tension Adjustment ............................................. .173
Removal and Installation ..................................... .173
REMOVAL ........................................................ .173
INSTALLATION ................................................ .174
Components ........................................................ .175
Drive Belt Auto Tensioner and Idler Pulley .......... .175
REMOVAL ........................................................ .175
INSTALLATION ................................................ .175
AIR CLEANER AND AIR DUCT ............................ .176
Components ........................................................ .176
Removal and Installation ..................................... .176
REMOVAL ........................................................ .176
INSPECTION AFTER REMOVAL .................... .177
INSTALLATION ................................................ .177
Changing Air Cleaner Filter ................................. .177
REMOVAL ........................................................ .177
INSTALLATION ................................................ .177
INTAKE MANIFOLD .............................................. .178
Components ........................................................ .178
Removal and Installation ..................................... .179
REMOVAL ........................................................ .179
INSPECTION AFTER REMOVAL .................... .180
INSTALLATION ................................................ .180
INSPECTION AFTER INSTALLATION ............. .181
EXHAUST MANIFOLD AND THREE WAY CATA-
LYST ....................................................................... .182
Components ........................................................ .182
Removal and Installation ..................................... .182
REMOVAL ........................................................ .182
INSPECTION AFTER REMOVAL .................... .184
INSTALLATION ................................................ .184
OIL PAN AND OIL STRAINER .............................. .185
Components ........................................................ .185
Removal and Installation ..................................... .185
REMOVAL ........................................................ .185
INSPECTION AFTER REMOVAL .................... .187
INSTALLATION ................................................ .187
INSPECTION AFTER INSTALLATION ............. .188
IGNITION COIL ...................................................... .189
Components ........................................................ .189
Removal and Installation ..................................... .189
REMOVAL ........................................................ .189
INSTALLATION ................................................ .189
SPARK PLUG (PLATINUM-TIPPED TYPE) .......... .190
Components ........................................................ .190
Removal and Installation ..................................... .190
REMOVAL ........................................................ .190
INSPECTION AFTER REMOVAL .................... .190
INSTALLATION ................................................ .191
FUEL INJECTOR AND FUEL TUBE ..................... .192
Components ........................................................ .192
Removal and Installation ..................................... .192
REMOVAL ........................................................ .192
INSTALLATION ................................................ .194
INSPECTION AFTER INSTALLATION ............. .196

PRECAUTIONS EM-5
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[VQ35DE]PRECAUTIONSPFP:00001
Precautions Necessary for Steering Wheel Rotation After Battery DisconnectABS00B3J
NOTE:

This Procedure is applied only to models with Intelligent Key system and NVIS/IVIS (NISSAN/INFINITI
VEHICLE IMMOBILIZER SYSTEM - NATS).

Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″ LOCK ″ position.

Always use CONSULT-II to perform self-diagnosis as a part of each function inspection after finishing
work. If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NVIS/IVIS, an electrically controlled steering lock
mechanism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be rotated.
4. Perform the necessary repair operation.
5. When the repair work is completed, return the ignition switch to the ″LOCK ″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-II.
Precautions for Drain Engine Coolant and Engine OilABS00E3J
Drain engine coolant and engine oil when the engine is cooled.
Precautions for Disconnecting Fuel PipingABS00E3K

Before starting work, make sure no fire or spark producing items are in the work area.

Release fuel pressure before disconnecting and disassembly.

After disconnecting pipes, plug openings to stop fuel leakage.
Precautions for Removal and DisassemblyABS00E3L

When instructed to use SST, use specified tools. Always be careful to work safely, avoid forceful or unin-
structed operations.

Exercise maximum care to avoid damage to mating or sliding surfaces.

Dowel pins are used for several parts alignment. When replacing and reassembling parts with dowel pins,
make sure that dowel pins are installed in the original position.

Cover openings of engine system with a tape or equivalent, if necessary, to seal out foreign materials.

Mark and arrange disassembly parts in an organized way for easy troubleshooting and re-assembly.

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 in the step.
Precautions for Inspection, Repair and ReplacementABS00E3M
Before repairing or replacing, thoroughly inspect parts. Inspect new replacement parts in the same way, and
replace if necessary.

DRIVE BELTS EM-15
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DRIVE BELTSPFP:02117
Checking Drive BeltsABS004TX
WARNING:
Be sure to perform when engine is stopped.
1. Inspect belts for cracks, fraying, wear and oil. If necessary, replace.
2. Inspect drive belt deflection or tension at a point on belt midway between pulleys.

Inspection should be done only when engine is cold, or over
30 minutes after engine is stopped.

Measure the belt tension with belt tension gauge (Commercial
service tool: BT3373-F or equivalent) at points marked
shown in the figure.

When measuring the deflection, apply 98 N (10 kg, 22 lb) at
the marked point.

Adjust if the belt deflection exceeds the limit or if the belt ten-
sion is not within specifications.
CAUTION:

When checking the belt deflection or the tension immediately after installation, first adjust it to
the specified value. Then, after turning crankshaft two turns or more, re-adjust to the specified
value to avoid variation in deflection between pulleys.

Tighten idler pulley lock nut by hand and measure the deflection or the tension without loose-
ness.
Belt Deflection and Tension
*: If belt tension gauge cannot be installed at check points shown, check drive belt tension at different location on belt.
Tension AdjustmentABS004TY
CAUTION:

When belt is replaced with a new one, adjust it to value for “New belt” to accommodate for insuffi-
cient adaptability with pulley grooves.

When deflection or tension of belt being used exceeds “Limit”, adjust it to value for “After adjust-
ment”.

When checking belt deflection or tension immediately after installation, first adjust it to the speci-
fied value. Then, after turning crankshaft two turns or more, re-adjust to the specified value to
avoid variation in deflection between pulleys.

When installing belt, make sure that it is correctly engaged with pulley grooves.

Keep engine oil, working fluid and engine coolant away from belt and pulley grooves.

Do not twist or bend belt excessively.
KBIA1731J
Items Deflection adjustment Unit: mm (in) Tension adjustment* Unit: N (kg, lb)
Used belt New belt Used belt
New belt
Limit After adjustment Limit After adjustment
Alternator and
power steering
oil pump belt 7 (0.28)
4 - 5
(0.16 - 0.20) 3.5 - 4.5
(0.138 - 0.177) 294 (30, 66) 730 - 818
(74.5 - 83.4, 164 - 184) 838 - 926
(85.5 - 94.5, 188 - 208)
A/C compressor
belt 12 (0.47) 9 - 10
(0.35 - 0.39) 8 - 9
(0.31 - 0.35) 196 (20, 44) 348 - 436
(35.5 - 44.5, 78 - 98) 470 - 559
(47.9 - 57.0, 106 - 126)
Applied pushing
force 98 N (10 kg, 22 lb) —
Portion
Belt tightening method for adjustment
Alternator and power steering oil pump belt Adjusting bolt on idler pulley
A/C compressor belt Adjusting bolt on idler pulley

EM-16
[VQ35DE]
DRIVE BELTS
Revision: 2005 July 2005 FX
ALTERNATOR AND POWER STEERING OIL PUMP BELT
1. Remove front engine undercover with power tool.
2. Loosen idler pulley lock nut (A) and adjust tension by turning adjusting bolt (B).

For the specified belt tension, refer to EM-15, "Checking Drive
Belts" .
3. Tighten nut (A).
A/C COMPRESSOR BELT
1. Remove front engine undercover with power tool.
2. Loosen idler pulley lock nut (C) and adjust tension by turning adjusting bolt (D).

For the specified belt tension, refer to EM-15, "Checking Drive Belts" .
3. Tighten nut (C).
Removal and InstallationABS004TZ
REMOVAL
1. Remove front engine undercover with power tool.
2. Remove alternator and power steering oil pump belt. Refer to EM-16, "
ALTERNATOR AND POWER
STEERING OIL PUMP BELT" .
3. Remove A/C compressor belt. Refer to EM-16, "
A/C COMPRESSOR BELT" .
CAUTION:
Grease is applied to idler pulley adjusting bolt. Be careful to keep grease away from belt.
INSTALLATION
1. Install belts to pulley in reverse order of removal.
CAUTION:

Make sure drive belt is correctly engaged with pulley groove.

Make sure that for engine oil and engine coolant do not adhere to belt and each pulley grooves.
2. Adjust belt tension. Refer to EM-15, "
Tension Adjustment" .
3. Tighten each adjusting bolt and nut to the specified torque.
4. Make sure that tension of each belt is within the standard. Refer to EM-15, "
Checking Drive Belts" .
: 34.8 N·m (3.5 kg-m, 26 ft-lb)
SBIA0532E
: 34.8 N·m (3.5 kg-m, 26 ft-lb)

EM-54
[VQ35DE]
FRONT TIMING CHAIN CASE
Revision: 2005 July 2005 FX
FRONT TIMING CHAIN CASEPFP:13599
Removal and InstallationABS004X0
NOTE:

This section describes removal/installation procedure of front timing chain case and timing chain related
parts without removing oil pan (upper) on the vehicle.

When oil pan (upper) needs to be removed or installed, or when rear timing chain case is removed or
installed, remove oil pans (upper and lower) first. Then remove front timing chain case, timing chain
related parts, and rear timing chain case in this order, and install in reverse order of removal. Refer to EM-
64, "TIMING CHAIN" .

Refer to EM-64, "TIMING CHAIN" for component parts location.
REMOVAL
1. Disconnect negative battery terminal. Refer to SC-4, "BATTERY" .
2. Remove engine cover with power tool. Refer to EM-19, "
INTAKE MANIFOLD COLLECTOR" .
3. Remove air cleaner case assembly. Refer to EM-17, "
AIR CLEANER AND AIR DUCT" .
4. Remove front and rear engine undercover with power tool.
5. Release the fuel pressure. Refer to EC-99, "
FUEL PRESSURE RELEASE" .
6. Drain engine oil. Refer to LU-9, "
Changing Engine Oil" .
CAUTION:

Perform this step when the engine is cold.

Do not spill engine oil on drive belts.
7. Drain engine coolant from radiator. Refer to CO-11, "
Changing Engine Coolant" .
CAUTION:

Perform this step when the engine is cold.

Do not spill engine coolant on drive belts.
8. Separate engine harnesses removing their brackets from front timing chain case.
9. Remove drive belts. Refer to EM-15, "
DRIVE BELTS" .
10. Remove intake manifold collectors (upper and lower). Refer to EM-19, "
INTAKE MANIFOLD COLLEC-
TOR" .
11. Remove power steering oil pump from bracket with piping connected, and temporarily secure it aside. Refer to PS-31, "
POWER STEERING OIL PUMP" .
12. Remove power steering oil pump bracket. Refer to PS-31, "
POWER STEERING OIL PUMP" .
13. Remove alternator. Refer to SC-23, "
CHARGING SYSTEM" .
14. Remove water bypass hose, water hose clamp and idler pulley bracket from front timing chain case.
15. Remove intake valve timing control covers.

Loosen mounting bolts in reverse order as shown in the fig-
ure.

U s e t h e s e a l c u t t e r [ S S T: K V 1 0 1111 0 0 ( J 3 7 2 2 8 ) ] t o c u t l i q u i d
gasket for removal.
CAUTION:
Shaft is internally jointed with camshaft sprocket (INT) cen-
ter hole. When removing, keep it horizontal until it is com-
pletely disconnected.
SEM728G

FRONT TIMING CHAIN CASE EM-63
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INSPECTION AFTER INSTALLATION
Inspection for Leaks
The followings are procedures for checking fluids leak, lubricates leak.

Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS" .

Use procedure below to check for fuel leakage.
–Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, check for fuel
leakage at connection points.
–Start engine. With engine speed increased, check again for fuel leakage at connection points.

Run engine to check for unusual noise and vibration.
NOTE:
If hydraulic pressure inside chain tensioner drops after removal/installation, slack in guide may generate a
pounding noise during and just after the engine start. However, this does not indicate an unusualness.
Noise will stop after hydraulic pressure rises.

Warm up engine thoroughly to make sure there is no leakage of fuel, or any oil/fluids including engine oil
and engine coolant.

Bleed air from lines and hoses of applicable lines, such as in cooling system.

After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to the
specified level, if necessary.
Summary of the inspection items:
* Transmission/transaxle/CVT fluid. power steering fluid, brake fluid, etc. Item Before starting engine Engine running After engine stopped
Engine coolant Level Leakage Level
Engine oil Level Leakage Level
Other oils and fluid* Level Leakage Level
Fuel Leakage Leakage Leakage