2004 INFINITI FX35 Service Manual

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INFINITI FX35 2004 Service Manual EM-116
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ENGINE ASSEMBLY
Revision: 2004 November 2004 FX35/FX45
Preparation
1. Release fuel pressure. Refer to EC-51, "FUEL PRESSURE RELEASE" .
2. Disconnect both battery terminals.
3. Remove e

EM-116
[VQ35DE]
ENGINE ASSEMBLY
Revision: 2004 November 2004 FX35/FX45
Preparation
1. Release fuel pressure. Refer to EC-51, "FUEL PRESSURE RELEASE" .
2. Disconnect both battery terminals.
3. Remove engine cover (Refer to EM-19, "
INTAKE MANIFOLD COLLECTOR" ), battery cover and LH/RH
sides front tire.
4. Remove front and rear engine undercover and front cross bar with power tool.
5. Drain engine coolant from radiator drain plug. Refer to CO-11, "
Changing Engine Coolant" .
6. Remove cowl top cover RH. Refer to EI-24, "
COWL TOP" .
7. Remove air duct and air cleaner case assembly. Refer to EM-17, "
AIR CLEANER AND AIR DUCT" .
8. Remove radiator upper and lower hoses. 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 wire (between vehicle to left bank cylinder head).
3. Disconnect battery positive cable at vehicle side and temporarily fasten it on engine.
4. Disconnect engine room harness connectors shown in the fig-
ure.
5. Disconnect A/C piping from A/C compressor, and temporarily fasten it on vehicle with a rope.
6. Disconnect two body ground cables.
7. Disconnect brake booster vacuum hose.
8. Disconnect fuel feed hose and EVAP hose.
CAUTION:
Fit plugs onto disconnected hoses to prevent fuel leak.
9. Remove power steering oil pump reservoir tank and piping from vehicle, and temporarily secure them on
engine. Refer to PS-31, "
POWER STEERING OIL PUMP" .
CAUTION:
When temporarily securing, keep them upright to avoid a fluid leak.
Passenger Room Side
1. Follow procedure below to disconnect engine room harness connectors at passenger room side, and tem-
porarily secure them on engine.
a. Remove passenger-side kicking plate, dash side finisher, and
glove box. Refer to EI-37, "
BODY SIDE TRIM" and IP-10,
"INSTRUMENT PANEL ASSEMBLY" .
b. Disconnect engine room harness connectors at unit sides ECM
and other.
c. Disengage intermediate fixing point. Pull out engine room har-
nesses 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.
SBIA0472E
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INFINITI FX35 2004 Service Manual ENGINE ASSEMBLY
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Revision: 2004 November 2004 FX35/FX45
Vehicle Underbody
1. Remove A/T fluid cooler hoses and power steering oil pump oil cooler hoses.
2. Rem

ENGINE ASSEMBLY
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Revision: 2004 November 2004 FX35/FX45
Vehicle Underbody
1. Remove A/T fluid cooler hoses and power steering oil pump oil cooler hoses.
2. Remove exhaust front tube. Refer to EX-3, "
EXHAUST SYSTEM" .
3. Disconnect steering lower joint, and release steering shaft. Refer to PS-12, "
STEERING COLUMN" .
4. Separate transmission and propeller shaft. Refer to PR-6, "
REAR PROPELLER SHAFT" .
5. Disengage shift control linkage at selector lever side. Then, temporarily secure it on transmission, so that
it does not sag.
6. Remove rear plate cover from upper oil pan. Then, remove bolts fixing drive plate to torque converter.
7. Remove bolts fixing transmission to lower rear side of upper oil pan.
8. Remove LH and RH sides tie-rod ends from steering knuckle. Refer to FSU-6, "
FRONT SUSPENSION
ASSEMBLY" .
9. Remove lower ends of LH and RH sides struts from lower arms. Refer to FSU-6, "
FRONT SUSPENSION
ASSEMBLY" .
10. Remove LH and RH sides lower arms from suspension member. Refer to FSU-6, "
FRONT SUSPENSION
ASSEMBLY" .
11. Remove LH and RH sides front drive shafts from LH and RH sides knuckles. Refer to FA X - 1 2 , "
FRONT
DRIVE SHAFT" .
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 transmission.
CAUTION:
Put a piece of wood or something similar as the supporting
surface, secure a completely stable condition.
2. Remove rear member mounting bolt.
3. Remove suspension member mounting bolt and nut. Refer to
FSU-6, "
FRONT SUSPENSION ASSEMBLY" .
4. Carefully lower jack to remove engine, transmission, and sus-
pension member assembly. When performing work, observe the
following:
CAUTION:
Confirm there is no interference with vehicle.
Make sure all connection points have been disconnected.
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 lift.
Separation Work
1. Install engine slingers into front of RH bank cylinder head and
rear of left bank cylinder head.
2. Remove power steering oil pump from engine side. Refer to PS-31, "
POWER STEERING OIL PUMP" .
3. Remove engine mounting insulator RR under side nut with power tool.
4. Lift with hoist and separate engine and transmission assembly from suspension member.
CAUTION:
Before and during this lifting, always check if any harnesses are left connected.
Avoid damage to and oil/grease smearing or spills onto engine mounting insulator.
PBIC0804E
Slinger bolts:
: 28.0 N·m (2.9 kg-m, 21 ft-lb)
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INFINITI FX35 2004 Service Manual EM-118
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ENGINE ASSEMBLY
Revision: 2004 November 2004 FX35/FX45
5. Remove front drive shaft LH and RH sides. Refer to FAX-12, "FRONT DRIVE SHAFT" .
6. Remove alternator. Refer to SC-23, "
CHARG

EM-118
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ENGINE ASSEMBLY
Revision: 2004 November 2004 FX35/FX45
5. Remove front drive shaft LH and RH sides. Refer to FAX-12, "FRONT DRIVE SHAFT" .
6. Remove alternator. Refer to SC-23, "
CHARGING SYSTEM" .
7. Remove starter motor. Refer to SC-10, "
STARTING SYSTEM" .
8. Remove front propeller shaft from front final drive assembly side. Refer to PR-4, "
FRONT PROPELLER
SHAFT" .
9. Separate engine from transmission assembly. Refer to AT- 2 6 6 , "
TRANSMISSION ASSEMBLY" .
10. Remove engine mounting insulator FR and engine mounting bracket with power tool.
11. Remove front final drive assembly from oil pan (upper). Refer to FFD-10, "
FRONT FINAL DRIVE ASSEM-
BLY" .
INSTALLATION
Note to the following, and install in the reverse order of removal.
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 com-
ponent figure in EM-115, "
AWD MODEL" .
When installing engine mounting bracket on cylinder block,
tighten two upper bolts (shown as A in figure) first. Then tighten
two lower bolts (shown as B in figure). (LH and RH sides)
Install engine mounting bracket (lower) paying attention to the
following.
–a. Temporarily tighten mounting bolts (shown as C, D and E in
figure).
–b. Tighten mounting bolts to the specified torque with following
mounting surfaces touched.
Engine mounting bracket to engine mounting bracket (lower)
(shown as C and D in figure).
Front final drive to engine mounting bracket (lower) (shown as E
in figure).
INSPECTION AFTER INSTALLATION
Before starting engine, check the levels of engine coolant, engine oil and working fluid. If less than
required quantity, fill to the specified level.
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 engine coolant, engine oil, working fluid,
fuel and exhaust gas.
Bleed air from passages in pipes and tubes of applicable lines, such as in cooling system.
After cooling down engine, again check amounts of engine coolant, engine oil and working fluid. Refill to
specified level, if necessary.
Summary of the inspection items:
SBIA0477E
SBIA0478E
Item Before starting engine Engine running After engine stopped
Engine coolant Level Leakage Level
Engine oil Level Leakage Level
Working fluid Level Leakage Level

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INFINITI FX35 2004 Service Manual ENGINE ASSEMBLY
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Revision: 2004 November 2004 FX35/FX45
Fuel — Leakage —
Exhaust gas — Leakage —

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INFINITI FX35 2004 Service Manual EM-120
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CYLINDER BLOCK
Revision: 2004 November 2004 FX35/FX45
CYLINDER BLOCKPFP:11010
Disassembly and AssemblyABS004XH
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INFINITI FX35 2004 Service Manual CYLINDER BLOCK
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Revision: 2004 November 2004 FX35/FX45
DISASSEMBLY
1. Remove engine assembly from vehicle, and separate transmission from engine. Refer to EM-1

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INFINITI FX35 2004 Service Manual EM-122
[VQ35DE]
CYLINDER BLOCK
Revision: 2004 November 2004 FX35/FX45
5. Lift engine, and mount it onto engine stand (SST).
A commercial engine stand can be used.
CAUTION:
Use an engine stand that ha

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INFINITI FX35 2004 Service Manual CYLINDER BLOCK
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Revision: 2004 November 2004 FX35/FX45
7. Drain engine coolant by removing water drain plugs from cylin-
der block both sides at “B” and �

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