2007 INFINITI FX35 Service Manual

ABS differential lights flat tire overheating ESP

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INFINITI FX35 2007 Service Manual CYLINDER HEAD EM-241
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Revision: 2006 July 2007 FX35/FX45
VALVE SEAT CONTACT
After confirming that the dimensions of valve guides and valves
are within

CYLINDER HEAD EM-241
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VALVE SEAT CONTACT
After confirming that the dimensions of valve guides and valves
are within the specifications, perform this procedure.
Apply prussian blue (or white lead) onto contacting surface of
valve seat to check the condition of the valve contact on the sur-
face.
Check if the contact area band is continuous all around the cir-
cumference.
If not, grind to adjust valve fitting and check again. If the contact-
ing surface still has “NG” conditions even after the re-check,
replace valve seat. Refer to EM-241, "
VALVE SEAT REPLACE-
MENT" .
VALVE SEAT REPLACEMENT
When valve seat is removed, replace with oversized [0.5 mm (0.020 in)] valve seat.
1. Bore out old seat until it collapses. Boring should not continue beyond the bottom face of the seat recess in cylinder head. Set the machine depth stop to ensure this. Refer to EM-280, "
Va l v e S e a t" .
CAUTION:
Prevent to scratch cylinder head by excessive boring.
2. Ream cylinder head recess diameter for service valve seat.
Be sure to ream in circles concentric to valve guide center.
This will enable valve to fit correctly.
3. Heat cylinder head to 110 to 130 °C (230 to 266 °F) by soaking in
heated oil.
4. Provide valve seats cooled well with dry ice. Force fit valve seat into cylinder head. CAUTION:
Avoid directly touching cold valve seats.
Cylinder head contains heat. When working, wear protective equipment to avoid getting burned.
5. Using valve seat cutter set (commercial service tool) or valve seat grinder, finish seat to the specified dimensions. Refer to
EM-280, "
Valve Seat" .
CAUTION:
When using valve seat cutter, firmly grip cutter handle with
both hands. Then, press on the contacting surface all
around the circumference to cut in a single drive. Improper
pressure on with cutter or cutting many different times may
result in stage valve seat.
SBIA0322E
Oversize [0.5 mm (0.020 in)]
Intake : 37.500 - 37.516 mm (1.4764 - 1.4770 in)
Exhaust : 32.700 - 32.716 mm (1.2874 - 1.2880 in)
SEM795A
SEM008A
SEM934C

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INFINITI FX35 2007 Service Manual EM-242
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CYLINDER HEAD
Revision: 2006 July 2007 FX35/FX45
6. Using compound, grind to adjust valve fitting.
7. Check again for normal contact. Refer to EM-241, "
VALVE SEAT CONTACT" .
VALVE

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INFINITI FX35 2007 Service Manual ENGINE ASSEMBLY EM-243
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Revision: 2006 July 2007 FX35/FX45
ENGINE ASSEMBLYPFP:10001
ComponentsNBS003IO
Removal and InstallationNBS003IP
WARNING:
Situat

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INFINITI FX35 2007 Service Manual EM-244
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ENGINE ASSEMBLY
Revision: 2006 July 2007 FX35/FX45
Preparation
1. Release fuel pressure. Refer to EC-747, "FUEL PRESSURE RELEASE" .
2. Drain engine coolant from radiator. Refer to C

EM-244
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ENGINE ASSEMBLY
Revision: 2006 July 2007 FX35/FX45
Preparation
1. Release fuel pressure. Refer to EC-747, "FUEL PRESSURE RELEASE" .
2. Drain engine coolant from radiator. Refer to CO-38, "
Changing Engine Coolant" .
CAUTION:
Perform this step when engine is cold.
Do not spill engine coolant on drive belts.
3. Disconnect both battery terminal. Refer to SC-5, "
BATTERY" .
4. Remove crankshaft position sensor (POS) from transmission. CAUTION:
Handle carefully to avoid dropping and shocks.
Do not disassemble.
Do not allow metal powder to adhere to magnetic part at sensor tip.
Do not place sensors in a location where they are exposed to magnetism.
5. Remove the following parts:
Hood assembly; Refer to BL-13, "HOOD" .
Engine cover; Refer to EM-173, "ENGINE ROOM COVER" .
Front and rear engine undercover
Air duct (inlet), air duct and air cleaner case assembly; Refer to EM-177, "AIR CLEANER AND AIR
DUCT" .
Drive belts; Refer to EM-174, "DRIVE BELTS" .
Radiator and radiator hoses (upper and lower); Refer to CO-41, "RADIATOR" .
Front road wheels and tires
Engine Room LH
1. Disconnect engine room harness from the engine side and set it aside for easier work.
2. Disconnect heater hoses, and install plugs to avoid leakage of engine coolant.
3. Disconnect ground cable from exhaust manifold cover to vehicle.
4. Disconnect vacuum hose between vehicle and engine and set it aside.
5. Discharge refrigerant from A/C circuit. Refer to ATC-137, "
REFRIGERANT LINES" .
6. Remove A/C piping from A/C compressor, and temporarily fasten it on vehicle with a rope. Refer to AT C -
139, "Components" .
Engine Room RH
1. Disconnect fuel feed hose and EVAP hose. Refer to EM-194, "FUEL INJECTOR AND FUEL TUBE" .
CAUTION:
Fit plugs onto disconnected hose to prevent fuel leak.
2. Disconnect engine room harness from the engine side and set it aside for easier work.
3. Disconnect ground cable from exhaust manifold cover to vehicle.
4. Disconnect vacuum hose between vehicle and engine and set it aside.
5. Disconnect reservoir tank of power steering oil pump from engine, and move it aside for easier work. CAUTION:
When temporarily securing, keep reservoir tank upright to avoid a fluid leak.
Vehicle Underbody
1. Remove front cross bar. Refer to FSU-6, "FRONT SUSPENSION ASSEMBLY" .
2. Disconnect power steering oil pump from engine. Move it from its location and secure with a rope for eas- ier work. Refer to PS-32, "
Removal and Installation (VK45DE Models)" .
3. Remove A/T fluid cooler tube. Refer to AT- 2 6 6 , "
TRANSMISSION ASSEMBLY" .
4. Remove exhaust front tube and center muffler with power tool. Refer to EX-3, "
EXHAUST SYSTEM" .
5. Remove RH and LH transverse link mounting bolts and nuts. Refer to FSU-14, "
TRANSVERSE LINK" .
6. Disconnect stabilizer connecting rod lower. Refer to FSU-6, "
FRONT SUSPENSION ASSEMBLY" .
7. Remove A/T control rod at control device assembly side. Then temporarily secure it on transmission, so that it does not sag. Refer to AT- 2 2 9 , "
SHIFT CONTROL SYSTEM" .

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INFINITI FX35 2007 Service Manual ENGINE ASSEMBLY EM-245
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Revision: 2006 July 2007 FX35/FX45
8. Remove rear plate cover from oil pan. Then remove bolts fixing drive plate to torque conve

ENGINE ASSEMBLY EM-245
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Revision: 2006 July 2007 FX35/FX45
8. Remove rear plate cover from oil pan. Then remove bolts fixing drive plate to torque converter. Refer to
EM-187, "
OIL PAN AND OIL STRAINER" and AT- 2 6 6 , "TRANSMISSION ASSEMBLY" .
9. Remove transmission joint bolts which pierce at oil pan lower rear side. Refer to AT- 2 6 6 , "
TRANSMIS-
SION ASSEMBLY" .
10. Disconnect steering lower joint at power steering gear assembly side, and release steering lower shaft. Refer to PS-13, "
STEERING COLUMN" .
11. Remove rear propeller shaft. Refer to PR-7, "
REAR PROPELLER SHAFT" .
After disconnection, plug the opening on transmission side.
12. Remove front drive shaft (both side). Refer to FAX-12, "
FRONT DRIVE SHAFT" .
13. Remove front propeller shaft. Refer to PR-4, "
FRONT PROPELLER SHAFT" .
14. Remove three way catalyst (both bank). Refer to EM-183, "
EXHAUST MANIFOLD AND THREE WAY
CATALYST" .
Removal Work
1. Install engine slingers into front of cylinder head (left bank) and
front of cylinder head (right bank).
2. Lift with hoist and secure engine in position.
3. Use manual lift table caddy (commercial service tool) or equivalently rigid tool such as transmission jack. Securely support bottom of suspension member and transmission.
CAUTION:
Put a piece of wood or something similar as the supporting surface, secure a completely stable
condition.
4. Remove engine rear member mounting bolts.
5. Remove front suspension member mounting nuts with power tool. Refer to FSU-6, "
FRONT SUSPEN-
SION ASSEMBLY" .
6. Carefully lower jack, or raise lift to remove engine, transmission front final drive and front suspension member assembly. When
performing work, observe the following caution:
CAUTION:
Confirm there is no interference with vehicle.
Make sure that all connection points have been discon-
nected.
Keep in mind the center of vehicle gravity changes. If
necessary, use jack(s) to support vehicle at rear jacking
point(s) to prevent it from falling it off the lift. Slinger bolts:
: 33.4 N·m (3.4 kg-m, 25 ft-lb)
PBIC1556E
PBIC1557E

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INFINITI FX35 2007 Service Manual EM-246
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ENGINE ASSEMBLY
Revision: 2006 July 2007 FX35/FX45
Separation Work
1. Change engine slinger installing to cylinder head (right bank).
NOTE:
In order to keep secure position when hois

EM-246
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ENGINE ASSEMBLY
Revision: 2006 July 2007 FX35/FX45
Separation Work
1. Change engine slinger installing to cylinder head (right bank).
NOTE:
In order to keep secure position when hoisting engine.
2. Remove engine mounting insulators (RH and LH) under side nut with power tool.
3. Lift with hoist and separate engine and transmission assembly from front suspension member. CAUTION:
Before and during this lifting, always make sure that any harnesses are left connected.
Avoid damage to and oil/grease smearing or spills onto engine mounting insulator.
4. Remove alternator. Refer to SC-24, "
CHARGING SYSTEM" .
5. Remove starter motor. Refer to SC-11, "
STARTING SYSTEM" .
6. Separate engine from transmission assembly. Refer to AT- 2 6 9 , "
Removal and Installation (AWD Models)"
.
7. Remove front final drive from engine. Refer to FFD-13, "
FRONT FINAL DRIVE ASSEMBLY" .
8. Remove engine mounting insulators (RH and LH) and brackets (RH and LH) from engine with power tool.
9. Remove engine rear member and engine mounting insulator (rear) from transmission.
INSTALLATION
Note the following, and install in the reverse order of removal.
Do not allow engine mounting insulator to be damage and careful no engine oil gets on it.
For a location with a positioning pin, insert it securely into hole of mating part.
For a part with a specified installation orientation, refer to component figure in EM-243, "Removal and
Installation" .
When installing engine mounting brackets (RH and LH) on cylin-
der block, tighten two upper bolts (shown as “A” in the figure)
first. Then tighten two lower bolts (shown as “B” in the figure).
INSPECTION AFTER INSTALLATION
Inspection for Leaks
The followings are procedures for checking fluids leak, lubricates leak and exhaust gases 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 MA-12, "
RECOMMENDED FLUIDS AND LUBRICANTS" .
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.
Warm up engine thoroughly to make sure there is no leakage of fuel, exhaust gases, or any oil/fluids
including engine oil and engine coolant. Slinger bolts:
: 33.4 N·m (3.4 kg-m, 25 ft-lb)
PBIC2447E
PBIC2365E

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INFINITI FX35 2007 Service Manual ENGINE ASSEMBLY EM-247
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Revision: 2006 July 2007 FX35/FX45
Bleed air from lines and hoses of applicable lines, such as in cooling system.
After coolin

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INFINITI FX35 2007 Service Manual EM-248
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CYLINDER BLOCK
Revision: 2006 July 2007 FX35/FX45
CYLINDER BLOCKPFP:11010
ComponentsNBS003IQ
1. Knock sensor sub harness 2. Knock sensor 3. Cylinder block
4. Cover 5. Main bearing 6.

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