2008 INFINITI FX35 Service Manual

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Page 2593 of 3924

INFINITI FX35 2008 Service Manual
CYLINDER HEADEM-109
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4. Heat cylinder head to 110 to 130
°C (230 to 266 °F) by soaking in
heated oil.
5. Using the valve guide drift

Page 2594 of 3924

INFINITI FX35 2008 Service Manual
EM-110
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CYLINDER HEAD
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

Page 2595 of 3924

INFINITI FX35 2008 Service Manual
CYLINDER HEADEM-111
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Check the valve spring pressure at specified spring height.
If the installation load or load with valve open i

Page 2596 of 3924

INFINITI FX35 2008 Service Manual
EM-112
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ENGINE ASSEMBLY
ENGINE ASSEMBLY
Component (2WD Models)INFOID:0000000001325742
Removal and Installation (2WD Models)INFOID:0000000001325743
WARNING:
Situate th

Page 2597 of 3924

INFINITI FX35 2008 Service Manual
ENGINE ASSEMBLYEM-113
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At first, remove the engine and the transmission asse
mbly with front suspension member downward. Then
separate

ENGINE ASSEMBLYEM-113
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At first, remove the engine and the transmission asse
mbly with front suspension member downward. Then
separate the engine from transmission.
Preparation
1. Release fuel pressure. Refer to EC-87, "Fuel Pressure Check".
2. Drain engine coolant from radiator. Refer to CO-10, "
Changing Engine Coolant".
CAUTION:
Perform this step when engine is cold.
Do not spill engine coolant on drive belts.
3. Disconnect both battery terminals. Refer to SC-4, "
How to Handle Battery".
4. Remove the following parts: Engine cover: Refer to EM-19, "
Component".
Front road wheel and tires
Front and rear engine undercover
Front cross bar: Refer to FSU-16, "
Removal and Installation".
Cowl top cover (right): Refer to EI-23, "
Component Parts Location".
Air duct and air cleaner case assembly: EM-17, "
Component".
5. Discharge refrigerant from A/C circuit. Refer to ATC-120, "
HFC-134a (R-134a) Service Procedure".
6. Remove radiator hoses (upper and lower). Refer to CO-13, "
Component".
Engine Room
1. Disconnect heater hose from vehicle-side, and fit a plug onto hose end to prevent engine coolant leak.
2. Disconnect grounding cable (between vehicle to left bank cylinder head).
3. Disconnect battery positive cable harness at v ehicle side and temporarily fasten it on engine.
4. Disconnect A/C piping from A/C compressor, and tem porarily fasten it on vehicle with a rope. Refer to
ATC-120, "
HFC-134a (R-134a) Service Procedure".
5. Disconnect engine room harness connectors shown in the fig- ure.
6. Disconnect two body ground cables.
7. Disconnect brake booster vacuum hose.
8. Disconnect fuel feed hose (with damper) and EVAP hose. Refer to EM-45, "
Component".
CAUTION:
Fit plugs onto disconnected hoses to prevent fuel leak.
9. Remove reservoir tank of power steering oil pump and piping from vehicle, and temporarily secure them
on engine. Refer to PS-27, "
On-Vehicle Inspection and Service".
CAUTION:
When temporarily securing, keep the reservo ir tank upright to avoid a fluid leak.
Passenger Room Side
Follow procedure below to disconnect engine room harne ss connectors at passenger room side, and tempo-
rarily secure them on engine.
1. Remove passenger-side kicking plate, dash side finisher, and glove box. Refer to EI-38, "
Component
Parts Location" and IP-10, "Component Parts Location".
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Page 2598 of 3924

INFINITI FX35 2008 Service Manual
EM-114
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ENGINE ASSEMBLY
2. Disconnect engine room harness connectors at unit sides TCM,
ECM and other.
3. Disengage intermediate fixing point. Pull out engine r oom har

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ENGINE ASSEMBLY
2. Disconnect engine room harness connectors at unit sides TCM,
ECM and other.
3. Disengage intermediate fixing point. Pull out engine r oom harnesses to engine room side, and temporarily
secure them on engine.
CAUTION:
When pulling out harnesses, take care not to damage harnesses and connectors.
After temporarily securing, cover connectors with vi nyl or similar material to protect against for-
eign material adhesion.
Vehicle Underbody
1. Remove A/T fluid cooler hoses and power steering oil pump oil cooler hoses. Install plug to avoid leakage of A/T fluid and power steering fluid.
2. Remove exhaust front tube and center muffler. Refer to EX-3, "
Checking Exhaust System".
3. Disconnect steering lower joint at power steering gear assembly side, and release steering lower shaft. Refer to PS-12, "
Removal and Installation".
4. Remove tunnel stay. Refer to RSU-5, "
On-Vehicle Inspection and Service".
5. Remove rear propeller shaft. Refer to PR-7, "
On-Vehicle Inspection".
After disconnection, plug the openi ng on transmission assembly side.
6. Disengage A/T control rod at contro l device assembly side. Then, temporarily secure it on the transmis-
sion assembly, so that it does not sag. Refer to AT-205, "
Control Device Removal and Installation".
7. Remove rear plate from oil pan (upper). Then remove bolts fixing drive plate to torque converter. Refer to
EM-30, "
Component (2WD Models)" and AT-241, "Removal and Installation (2WD Models)".
8. Remove transmission joint bolts which pierce at oil pan (upper) lower rear side. Refer to AT-241,
"Removal and Installation (2WD Models)".
9. Remove front stabilizer. Refer to FSU-15, "
Removal and Installation".
10. Separate steering outer sockets from steering knuckle. Refer to PS-17, "
Removal and Installation".
11. Separate transverse links from suspension member and vehicle body. Refer to FSU-13, "
Removal and
Installation" .
Removal Work
1. Use a manual lift table caddy (commercial service tool) or equiv-
alently rigid tool such as a transmission jack. Securely support
bottom of suspension member and the transmission assembly.
CAUTION:
Put a piece of wood or someth ing similar as the supporting
surface, secure a completely stable condition.
2. Remove rear engine mounting member bolts.
3. Remove front suspension member mounting nuts. Refer to FSU-5, "
On-Vehicle Inspection and Service".
4. Carefully lower jack, or raise lift to remove t he engine, the transmission assembly and front suspension
member. When performing work, observe the following caution:
CAUTION:
Confirm there is no interference with the vehicle.
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Page 2599 of 3924

INFINITI FX35 2008 Service Manual
ENGINE ASSEMBLYEM-115
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Make sure that all connection
points have been disconnected.
Keep in mind the center of vehicle gravity cha

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Make sure that all connection
points have been disconnected.
Keep in mind the center of vehicle gravity cha nges. If necessary, use jack(s) to support the vehi-
cle at rear jacking point(s) to preven t it from falling it off the lift.
Separation Work
1. Install engine slingers into front of cylinder head (right bank) and
rear of cylinder head (left bank).
To protect rocker cover against damage caused by tilting ofengine slinger, insert spacer between cylinder head and
engine rear lower slinger, in direction shown in the figure.
NOTE:
Spacer is a component part of engine rear upper slinger
assembly.
2. Remove power steering oil pump from engine side. Refer to PS-27, "
On-Vehicle Inspection and Service".
3. Remove engine mounting insulators (RH and LH) under side nuts with power tool.
4. Lift with hoist and separate the engine and the trans mission 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.
5. Remove alternator. Refer to SC-19, "
System Description".
6. Remove starter motor. Refer to SC-8, "
System Description".
7. Separate the engine from the transmission assembly. Refer to AT-241, "
Removal and Installation (2WD
Models)".
8. Remove each engine mounting insulator and each engine mounting bracket from the engine with power tool.
9. Remove rear engine mounting member and engine mounting insulator (rear) from the transmission assembly.
INSTALLATION
Note the following, and install in the reverse order of removal.
Do not allow engine mounting insulator to be damage and careful no 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-112, "
Component (2WD
Models)".
Slinger bolts:
: 28.0 N·m (2.9 kg-m, 21 ft-lb)
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Page 2600 of 3924

INFINITI FX35 2008 Service Manual
EM-116
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ENGINE ASSEMBLY
When installing engine mounting bracket (RH and LH) on cylinder
block, tighten two upper bolts (show n as “A” in the figure) first.
Then t

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