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EXHAUST MANIFOLD AND THREE WAY CATALYST EM-185
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16. Loosen mounting nuts in reverse order as shown in the figure to
remove exhaust manifold.
NOTE:
Disregard the numerical order No. 9 to 12 in removal.
17. Remove exhaust manifold gaskets. CAUTION:
Cover engine openings to avoid entry of foreign materials.
INSPECTION AFTER REMOVAL
Surface Distortion
Check the surface distortion of the each exhaust manifold flange
mating surface with straightedge and feeler gauge.
If it exceeds the limit, replace exhaust manifold.
INSTALLATION
Note the following, and install in the reverse order of removal.
Exhaust Manifold Gasket
Install exhaust manifold gasket with its directional protrusion set upward.
Refer to the figure of components on former page. Refer to EM-183, "
Removal and Installation" .
A : Left bank
B : Right bank
: Engine front
PBIC3300E
Limit : 0.3 mm (0.012 in)
PBIC1550E
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![INFINITI FX35 2007 Service Manual EM-186
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EXHAUST MANIFOLD AND THREE WAY CATALYST
Revision: 2006 July 2007 FX35/FX45
Exhaust Manifold
Install exhaust manifold and tighten mounting nuts in numerical
order as shown in the figu INFINITI FX35 2007 Service Manual EM-186
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EXHAUST MANIFOLD AND THREE WAY CATALYST
Revision: 2006 July 2007 FX35/FX45
Exhaust Manifold
Install exhaust manifold and tighten mounting nuts in numerical
order as shown in the figu](/manual-img/42/57018/w960_57018-2977.png)
EM-186
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EXHAUST MANIFOLD AND THREE WAY CATALYST
Revision: 2006 July 2007 FX35/FX45
Exhaust Manifold
Install exhaust manifold and tighten mounting nuts in numerical
order as shown in the figure.
NOTE:
Tighten mounting nuts No. 1 to 4 in two steps. The numerical
order No. 9 to 12 shown second steps.
Air Fuel Ratio Sensor and Heated Oxygen Sensor
Install air fuel ratio sensors and heated oxygen sensors in the original position.
Install referring the following if the installation positions cannot
be identified.
CAUTION:
Before installing a new air fuel ratio sensor and heated oxy-
gen sensor, clean exhaust system threads using oxygen
sensor thread cleaner (commercial service tool: J-43897-18
or J-43897-12), and apply anti-seize lubricant (commercial
service tool).
Do not over torque air fuel ratio sensor and heated oxygen sensor. Doing so may cause damage to
the heated oxygen sensor, resulting in “MIL” coming on.
A : Left bank
B : Right bank
: Engine front
PBIC3300E
Glass tube color Air fuel ratio sensor 1 : Black
Heated oxygen sensor 2 : White
PBIC2652E
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![INFINITI FX35 2007 Service Manual OIL PAN AND OIL STRAINER EM-187
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OIL PAN AND OIL STRAINERP F P : 1111 0
ComponentsNBS003I1
Refer to GI-11, "Componen INFINITI FX35 2007 Service Manual OIL PAN AND OIL STRAINER EM-187
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OIL PAN AND OIL STRAINERP F P : 1111 0
ComponentsNBS003I1
Refer to GI-11, "Componen](/manual-img/42/57018/w960_57018-2978.png)
OIL PAN AND OIL STRAINER EM-187
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OIL PAN AND OIL STRAINERP F P : 1111 0
ComponentsNBS003I1
Refer to GI-11, "Components" for symbol marks in the figure.
Removal and InstallationNBS003I2
REMOVAL
WARNING:
To avoid the danger of being scalded, do not drain engine oil when engine is hot.
1. Remove front road wheels and tires.
2. Remove hood assembly. Refer to BL-13, "
HOOD" .
3. Remove engine cover with power tool. Refer to EM-173, "
ENGINE ROOM COVER" .
4. Remove front and rear engine undercovers with power tool.
5. Drain engine oil. Refer to LU-27, "
Changing Engine Oil" .
CAUTION:
Perform this step when engine is cold.
1. Oil pan 2. O-ring 3. Crankshaft position sensor (POS)
4. Baffle plate 5. O-ring 6. Baffle plate
7. Oil pressure switch 8. Gasket 9. Oil strainer
10. Drain plug 11. Drain plug washer 12. O-ring
13. Oil cooler 14. Connector bolt 15. Oil filter
16. O-ring 17. Axle pipe 18. O-ring
19. Rear plate cover 20. Relief valve
A. Oil pan side B. Refer to LU-29
C. Refer to LU-28
PBIC4556E
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![INFINITI FX35 2007 Service Manual EM-188
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OIL PAN AND OIL STRAINER
Revision: 2006 July 2007 FX35/FX45
Do not spill engine oil on drive belts.
6. Drain engine coolant. Refer to CO-38, "
Changing Engine Coolant" .
CAUTION:
INFINITI FX35 2007 Service Manual EM-188
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OIL PAN AND OIL STRAINER
Revision: 2006 July 2007 FX35/FX45
Do not spill engine oil on drive belts.
6. Drain engine coolant. Refer to CO-38, "
Changing Engine Coolant" .
CAUTION:](/manual-img/42/57018/w960_57018-2979.png)
EM-188
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OIL PAN AND OIL STRAINER
Revision: 2006 July 2007 FX35/FX45
Do not spill engine oil on drive belts.
6. Drain engine coolant. Refer to CO-38, "
Changing Engine Coolant" .
CAUTION:
Perform this step when engine is cold.
Do not spill engine coolant on drive belts.
7. Remove drive belts. Refer to EM-174, "
DRIVE BELTS" .
8. Remove auto tensioner of power steering oil pump belt. Refer to EM-176, "
Drive Belt Auto Tensioner and
Idler Pulley" .
9. Remove power steering oil pump with piping connected, and temporarily secure it aside with ropes or equivalent. Refer to PS-30, "
POWER STEERING OIL PUMP" .
10. Remove A/C compressor with piping connected, and temporarily secure it aside with ropes or equivalent. Refer to ATC-139, "
Components" .
11. Remove A/C compressor fitting bolts, and install A/C compressor temporarily on vehicle side with ropes or equivalent.
12. Remove harness of lower side of oil pan.
13. Remove crankshaft position sensor (POS) from transmission. CAUTION:
Handle carefully to avoid dropping and shocks.
Do not disassemble it.
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.
14. Install engine slinger and hang engine assembly to secure position. Refer to EM-243, "
ENGINE ASSEM-
BLY" .
15. Remove front suspension member with power tool. Refer to FSU-17, "
FRONT SUSPENSION MEMBER" .
16. Remove front final drive assembly. Refer to FFD-13, "
FRONT FINAL DRIVE ASSEMBLY" .
17. Remove oil filter. Refer to LU-28, "
OIL FILTER" .
18. Disconnect oil cooler water hoses, and remove oil cooler water pipe and oil cooler. Refer to LU-29, "
OIL
COOLER" .
19. Remove oil pan as the follows:
a. Remove rear plate cover.
b. Remove transmission joint bolts which pierce oil pan. Refer to AT- 2 6 9 , "
Removal and Installation (AWD
Models)" .
c. Loosen mounting bolts with power tool in reverse order as shown in the figure.
NOTE:
Disregard the numerical order No. 11 and 17 in removal.
PBIC0194E
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![INFINITI FX35 2007 Service Manual OIL PAN AND OIL STRAINER EM-189
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d. Insert seal cutter (SST) between oil pan and cylinder block.
Slide seal cutter b INFINITI FX35 2007 Service Manual OIL PAN AND OIL STRAINER EM-189
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d. Insert seal cutter (SST) between oil pan and cylinder block.
Slide seal cutter b](/manual-img/42/57018/w960_57018-2980.png)
OIL PAN AND OIL STRAINER EM-189
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d. Insert seal cutter (SST) between oil pan and cylinder block.
Slide seal cutter by tapping on the side of seal cutter with ham-
mer. Remove oil pan.
CAUTION:
Be careful not to damage the mating surfaces.
Do not insert screwdriver, this will damage the mating
surface.
e. Remove O-rings from bottom of oil pump and front cover.
20. As necessary, pull axle pipe from oil pan.
Hold pipes and pull them out to front drive shaft (left) installing side.
21. Remove oil strainer.
INSPECTION AFTER REMOVAL
Clean oil strainer if any object attached.
INSTALLATION
1. Install oil strainer.
2. Install axle pipe to oil pan, if removed.
Lubricate O-ring groove of axle pipe, O-ring, and O-ring joint
of oil pan with new engine oil.
Right/left O-ring diameters differ from each other. O-ring with
identification paint mark is installed on front drive shaft (left)
installing side.
Install axle pipe to oil pan from (left) side.
CAUTION:
Insert it with care to prevent O-ring from sliding.
3. Install oil pan as follows:
a. Use scraper to remove old liquid gasket from mating surfaces.
Also remove the old liquid gasket from mating surface of cylinder block.
Remove old liquid gasket from the bolt holes and threads.
CAUTION:
Do not scratch or damage the mating surfaces when cleaning off old liquid gasket.
b. Install new O-rings to oil pump and front cover side.
c. Apply a continuous bead of liquid gasket with tube presser [SST: WS39930000 ( — )] to the cylinder block mating surfaces of
oil pan to a limited portion as shown in the figure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND SEAL-
ANTS".
CAUTION:
Attaching should be done within 5 minutes after coating.
d. Install oil pan. CAUTION:
Install avoiding misalignment of O-rings.
SEM365E
PBIC2336E
PBIC0195E
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![INFINITI FX35 2007 Service Manual EM-190
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OIL PAN AND OIL STRAINER
Revision: 2006 July 2007 FX35/FX45
Tighten mounting bolts in numerical order as shown in the fig-
ure.
NOTE:
Tighten mounting bolts No. 1 and 2 in two step INFINITI FX35 2007 Service Manual EM-190
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OIL PAN AND OIL STRAINER
Revision: 2006 July 2007 FX35/FX45
Tighten mounting bolts in numerical order as shown in the fig-
ure.
NOTE:
Tighten mounting bolts No. 1 and 2 in two step](/manual-img/42/57018/w960_57018-2981.png)
EM-190
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OIL PAN AND OIL STRAINER
Revision: 2006 July 2007 FX35/FX45
Tighten mounting bolts in numerical order as shown in the fig-
ure.
NOTE:
Tighten mounting bolts No. 1 and 2 in two steps. The numeri-
cal order No. 11 and 17 shown second steps.
There are three types of mounting bolts. Refer to the following
for locating bolts.
e. Tighten transmission joint bolts. Refer to AT- 2 6 9 , "
Removal and Installation (AWD Models)" .
f. Install rear plate cover.
4. Install oil pan drain plug with new drain plug washer.
Refer to the figure of components of former page for installation direction of drain plug washer. Refer to
EM-187, "
Removal and Installation" .
5. Install in the reverse order of removal after this step.
NOTE:
At least 30 minutes after oil pan is installed, pour engine oil.
INSPECTION AFTER INSTALLATION
1. Check engine oil level and add engine oil. Refer to LU-25, "ENGINE OIL" .
2. Start engine, and check there is no leak of engine oil.
3. Stop engine and wait for 15 minutes.
4. Check engine oil level again. Refer to LU-25, "
ENGINE OIL" .
M6
× 30 mm (1.18 in) : 18, 19
M8 × 100 mm (3.94 in) : 5, 9
M8 × 45 mm (1.77 in) : Except the above
PBIC0194E
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IGNITION COIL EM-191
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IGNITION COILPFP:22448
ComponentsNBS003I3
Removal and InstallationNBS003I4
REMOVAL
1. Remove engine cover with power tool. Refer to EM-173, "ENGINE ROOM COVER" .
2. Remove air duct (inlet), air cleaner case and mass air flow sensor assembly, air duct and resonator assembly. Refer to EM-177, "
AIR CLEANER AND AIR DUCT" .
3. Disconnect harness connector from ignition coil.
4. Remove ignition coil. CAUTION:
Do not shock it.
INSTALLATION
Install in the reverse order of removal.
1. Ignition coil 2. Spark plug 3. Rocker cover (left bank)
PBIC4748J
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![INFINITI FX35 2007 Service Manual EM-192
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SPARK PLUG (PLATINUM-TIPPED TYPE)
Revision: 2006 July 2007 FX35/FX45
SPARK PLUG (PLATINUM-TIPPED TYPE)PFP:22401
ComponentsNBS003I5
Removal and InstallationNBS003I6
REMOVAL
1. Remove e INFINITI FX35 2007 Service Manual EM-192
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SPARK PLUG (PLATINUM-TIPPED TYPE)
Revision: 2006 July 2007 FX35/FX45
SPARK PLUG (PLATINUM-TIPPED TYPE)PFP:22401
ComponentsNBS003I5
Removal and InstallationNBS003I6
REMOVAL
1. Remove e](/manual-img/42/57018/w960_57018-2983.png)
EM-192
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SPARK PLUG (PLATINUM-TIPPED TYPE)
Revision: 2006 July 2007 FX35/FX45
SPARK PLUG (PLATINUM-TIPPED TYPE)PFP:22401
ComponentsNBS003I5
Removal and InstallationNBS003I6
REMOVAL
1. Remove engine cover with power tool. Refer to EM-173, "ENGINE ROOM COVER" .
2. Remove ignition coil. Refer to EM-191, "
IGNITION COIL" .
3. Remove spark plug with spark plug wrench (commercial service tool).
CAUTION:
Do not drop or shock it.
INSPECTION AFTER REMOVAL
Use standard type spark plug for normal condition.
Hot type spark plug is suitable when fouling occurs with standard type spark plug under conditions such as:
Frequent engine starts
Low ambient temperatures
Cold type spark plug is suitable when spark plug knock occurs with standard type spark plug under conditions
such as:
Extended highway driving
Frequent high engine revolution
1. Ignition coil 2. Spark plug 3. Rocker cover (left bank)
PBIC4748J
SEM294A
Make NGK
Standard type PLFR5A-11
Hot type PLFR4A-11
Cold type PLFR6A-11
Gap (Nominal) : 1.1 mm (0.043 in)