2005 INFINITI FX35 Service Manual

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Page 2945 of 4731

INFINITI FX35 2005 Service Manual EM-110
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CYLINDER HEAD
Revision: 2005 July 2005 FX
2. Ream cylinder head recess diameter for service valve seat.
Be sure to ream in circles concentric to valve guide center.
This will enable

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INFINITI FX35 2005 Service Manual CYLINDER HEAD EM-111
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VALVE SPRING DIMENSIONS AND VALVE SPRING PRESSURE LOAD
Check the valve spring pressure at specified s

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INFINITI FX35 2005 Service Manual EM-112
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ENGINE ASSEMBLY
Revision: 2005 July 2005 FX
ENGINE ASSEMBLYPFP:10001
Components (2WD Model)ABS00E68
Removal and Installation (2WD Model)ABS008GN
WARNING:
Situate the vehicle on a flat

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INFINITI FX35 2005 Service Manual ENGINE ASSEMBLY EM-113
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REMOVAL
Outline
At first, remove the engine and the transmission assembly with front suspension mem

ENGINE ASSEMBLY EM-113
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REMOVAL
Outline
At first, remove the engine and the transmission assembly with front suspension member downward. Then
separate the engine from transmission.
Preparation
1. Release fuel pressure. Refer to EC-99, "FUEL PRESSURE RELEASE" .
2. Drain engine coolant from radiator. Refer to CO-11, "
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, "
BATTERY" .
4. Remove the following parts:
Engine cover; Refer to EM-19, "INTAKE MANIFOLD COLLECTOR" .
Front road wheel and tires
Front and rear engine undercover
Front cross bar; Refer to FSU-17, "FRONT SUSPENSION MEMBER" .
Cowl top cover (right); Refer to EI-23, "COWL TOP" .
Air duct and air cleaner case assembly; EM-17, "AIR CLEANER AND AIR DUCT" .
5. Discharge refrigerant from A/C circuit. Refer to ATC-138, "
REFRIGERANT LINES" .
6. Remove radiator hoses (upper and lower). Refer to CO-14, "
RADIATOR" .
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 vehicle side and temporarily fasten it on engine.
4. Disconnect A/C piping from A/C compressor, and temporarily fasten it on vehicle with a rope. Refer to ATC-138, "
REFRIGERANT LINES" .
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, "
FUEL INJECTOR AND FUEL
TUBE"
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-31, "
POWER STEERING OIL PUMP" .
CAUTION:
When temporarily securing, keep the reservoir tank upright to avoid a fluid leak.
Passenger Room Side
Follow procedure below to disconnect engine room harness connectors at passenger room side, and tempo-
rarily secure them on engine.
SBIA0472E

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INFINITI FX35 2005 Service Manual EM-114
[VQ35DE]
ENGINE ASSEMBLY
Revision: 2005 July 2005 FX
1. Remove passenger-side kicking plate, dash side finisher, and glove box. Refer to EI-36, "BODY SIDE
TRIM" and IP-10, "INSTRUMENT PANEL ASS

EM-114
[VQ35DE]
ENGINE ASSEMBLY
Revision: 2005 July 2005 FX
1. Remove passenger-side kicking plate, dash side finisher, and glove box. Refer to EI-36, "BODY SIDE
TRIM" and IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Disconnect engine room harness connectors at unit sides TCM, ECM and other.
3. Disengage intermediate fixing point. Pull out engine room 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 vinyl 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, "
EXHAUST SYSTEM" .
3. Disconnect steering lower joint at power steering gear assembly side, and release steering lower shaft. Refer to PS-12, "
STEERING COLUMN" .
4. Remove tunnel stay. Refer to RSU-5, "
REAR SUSPENSION ASSEMBLY" .
5. Remove rear propeller shaft. Refer to PR-7, "
REAR PROPELLER SHAFT" .
After disconnection, plug the opening on transmission assembly side.
6. Disengage A/T control rod at control device assembly side. Then, temporarily secure it on the transmis- sion assembly, so that it does not sag. Refer to AT- 2 3 3 , "
SHIFT CONTROL SYSTEM" .
7. Remove rear plate from oil pan (upper). Then remove bolts fixing drive plate to torque converter. Refer to EM-30, "
OIL PAN AND OIL STRAINER" and AT- 2 7 0 , "TRANSMISSION ASSEMBLY" .
8. Remove transmission joint bolts which pierce at oil pan (upper) lower rear side. Refer to AT- 2 7 0 , "
TRANS-
MISSION ASSEMBLY" .
9. Remove front stabilizer. Refer to FSU-16, "
STABILIZER BAR" .
10. Separate steering outer sockets from steering knuckle. Refer to PS-19, "
POWER STEERING GEAR AND
LINKAGE" .
11. Separate transverse links from suspension member and vehicle body. Refer to FSU-14, "
TRANSVERSE
LINK" .
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 something 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-6, "
FRONT SUSPENSION ASSEMBLY" .
SBIA0473E
PBIC0804E

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INFINITI FX35 2005 Service Manual ENGINE ASSEMBLY EM-115
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Revision: 2005 July 2005 FX
4. Carefully lower jack, or raise lift to remove the engine, the transmission assembly and front sus

ENGINE ASSEMBLY EM-115
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4. Carefully lower jack, or raise lift to remove the engine, the transmission assembly and front suspension
member. When performing work, observe the following caution:
CAUTION:
Confirm there is no interference with the vehicle.
Make sure that all connection points have been disconnected.
Keep in mind the center of vehicle gravity changes. If necessary, use jack(s) to support the vehi-
cle at rear jacking point(s) to prevent 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 of
engine 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-31, "
POWER STEERING OIL PUMP" .
3. Remove engine mounting insulators (RH and LH) under side nuts with power tool.
4. Lift with hoist and separate the engine and the 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.
5. Remove alternator. Refer to SC-23, "
CHARGING SYSTEM" .
6. Remove starter motor. Refer to SC-10, "
STARTING SYSTEM" .
7. Separate the engine from the transmission assembly. Refer to AT- 2 7 0 , "
TRANSMISSION ASSEMBLY" .
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, "Components
(2WD Model)" .
Slinger bolts:
: 28.0 N·m (2.9 kg-m, 21 ft-lb)
PBIC2061E
KBIA1017E

Page 2951 of 4731

INFINITI FX35 2005 Service Manual EM-116
[VQ35DE]
ENGINE ASSEMBLY
Revision: 2005 July 2005 FX
When installing engine mounting bracket (RH and LH) on cylin-
der block, tighten two upper bolts (shown as “A” in the figure)
first. T

Page 2952 of 4731

INFINITI FX35 2005 Service Manual ENGINE ASSEMBLY EM-117
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Revision: 2005 July 2005 FX
Components (AWD Model)ABS00E69
Removal and Installation (AWD Model)ABS00E9U
WARNING:
Situate the ve

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