oil type INFINITI FX35 2008 Owner's Manual

EM-2
Removal and Installation of Valve Oil Seal .............97
Removal and Installation of Front Oil Seal .............97
Removal and Installation of Rear Oil Seal ..............98
CYLINDER HEAD ............................................100
On-Vehicle Service .............................................. ..100
Component ............................................................101
Removal and Installation .......................................101
Disassembly and Assembly ...................................105
Inspection After Disassembly ................................107
ENGINE ASSEMBLY .......................................112
Component (2WD Models) .................................. ..112
Removal and Installation (2WD Models) ...............112
Component (AWD Models) ....................................117
Removal and Installation (AWD Models) ...............117
CYLINDER BLOCK .........................................122
Component .......................................................... ..122
Disassembly and Assembly ...................................123
How to Select Piston and Bearing .........................134
Inspection After Disassembly ................................138
SERVICE DATA AND SPECIFICATIONS
(SDS) ................................................................
149
Standard and Limit .............................................. ..149
VK45DE
SERVICE INFORMATION ..........................
160
PRECAUTIONS .............................................. .160
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ..
160
Precaution for Drain Engine Coolant and Engine
Oil ..........................................................................
160
Precaution for Disconnecting Fuel Piping ..............160
Precaution for Removal and Disassembly .............160
Precaution for Inspection, Repair and Replace-
ment .......................................................................
160
Precaution for Assembly and Installation ..............161
Parts Requiring Angle Tightening ..........................161
Precaution for Liquid Gasket .................................161
PREPARATION .............................................. .163
Special Service Tool ............................................ ..163
Commercial Service Tool ......................................164
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING ..........................
167
NVH Troubleshooting - Engine Noise .................. ..167
Use the Chart Below to Help You Find the Cause
of the Symptom .....................................................
167
ENGINE ROOM COVER ..................................169
Component .......................................................... ..169
Removal and Installation .......................................169
DRIVE BELTS ..................................................170
Component .......................................................... ..170
Checking Drive Belts .............................................170
Tension Adjustment ...............................................170
Removal and Installation ...................................... .170
Component ...........................................................171
Drive Belt Auto Tensioner and Idler Pulley ...........172
AIR CLEANER AND AIR DUCT .......................173
Component .......................................................... .173
Removal and Installation .......................................173
Changing Air Cleaner Filter ...................................174
INTAKE MANIFOLD .........................................175
Component .......................................................... .175
Removal and Installation .......................................176
EXHAUST MANIFOLD AND THREE WAY
CATALYST .......................................................
179
Component .......................................................... .179
Removal and Installation .......................................179
OIL PAN AND OIL STRAINER ........................183
Component .......................................................... .183
Removal and Installation .......................................183
IGNITION COIL .................................................187
Component .......................................................... .187
Removal and Installation .......................................187
SPARK PLUG (PLATINUM-TIPPED TYPE) ....188
Component .......................................................... .188
Removal and Installation .......................................188
FUEL INJECTOR AND FUEL TUBE ................190
Component .......................................................... .190
Removal and Installation .......................................190
ROCKER COVER .............................................196
Component .......................................................... .196
Removal and Installation .......................................196
TIMING CHAIN .................................................199
Component .......................................................... .199
Removal and Installation .......................................200
CAMSHAFT ......................................................211
Component .......................................................... .211
Removal and Installation .......................................211
Valve Clearance ....................................................218
OIL SEAL ..........................................................222
Removal and Installation of Valve Oil Seal ...........222
Removal and Installation of Front Oil Seal ........... .222
Removal and Installation of Rear Oil Seal ............224
CYLINDER HEAD .............................................226
On-Vehicle Service .............................................. .226
Component ...........................................................227
Removal and Installation .......................................227
Disassembly and Assembly ..................................229
Inspection After Disassembly ................................232
ENGINE ASSEMBLY ..................................... ..237
Component .......................................................... .237
Removal and Installation .......................................237
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NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGEM-13
< SERVICE INFORMATION > [VQ35DE]
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3. Specify the operating condition of the engine.
4. Check specified noise source.
If necessary, repair or replace these parts.
A: Closely related B: Related C: Sometimes related —: Not related Location
of noise Type of
noise Operating condition of engine
Source of noise Check item Refer-
ence page
Before
warm- up After
warm- up When
start- ing When
idling When
racing While
driving
Top of en-
gine
Rocker
cover
Cylinder
head Ticking or
clicking
CA—AB— Tappet
noiseValve clearance
EM-91
Rattle C A — A B C Camshaft
bearing
noiseCamshaft runout
Camshaft journal oil
clearance EM-84EM-84
Crank-
shaft pul-
ley
Cylinder
block
(Side of
engine)
Oil panSlap or
knock
—A—B B— Piston pin
noisePiston to piston pin oil
clearance
Connecting rod bushing
oil clearance EM-138
EM-138
Slap or
rap
A——B B A Piston
slap noisePiston to cylinder bore
clearance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend
and torsion EM-138EM-138
EM-138
EM-138
Knock A B C B B B
Connect-
ing rod
bearing
noiseConnecting rod bushing
oil clearance
Connecting rod bearing
oil clearance EM-138EM-138
Knock A B — A B C
Main bear-
ing noiseMain bearing oil clear-
ance
Crankshaft runout EM-138
EM-138
Front of
engine
Timing
chain caseTapping or
ticking
AA—BBB Timing
chain and
timing
chain ten-
sioner
noiseTiming chain cracks
and wear
Timing chain tensioner
operation
EM-65
EM-64
Front of
engineSqueak-
ing or fizz-
ing
AB—B—C Drive belts
(Sticking
or slip-
ping)Drive belts deflection
EM-14
CreakingABABAB Drive belts
(Slipping)Idler pulley bearing op-
eration
Squall
Creak AB—BAB Water
pump
noiseWater pump operation
CO-22
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EM-34
< SERVICE INFORMATION >[VQ35DE]
OIL PAN AND OIL STRAINER
 Tighten mounting bolts in numerical order as shown in the fig-
ure.
 There are two types of mounting bolts. Refer to the following
for locating bolts.
f. Tighten transmission joint bolts. Refer to AT-241, "
Removal and Installation (2WD Models)".
2. Install oil strainer to oil pump.
3. Install oil pan (lower) as follows:
a. Use scraper to remove old liquid gasket from mating surfaces.  Also remove old liquid gasket from mating surface of oil pan(upper).
 Remove old liquid gasket from the bolt holes and thread.
CAUTION:
Do not scratch or damage the mating surfaces when clean-
ing off old liquid gasket.
b. Apply a continuous bead of liquid gasket with the tube presser (commercial service tool) to the oil pan (lower) as shown in the
figure.
Use Genuine RTV Silicone Seal ant or equivalent. Refer to
GI-44, "
Recommended Chemical Product and Sealant".
CAUTION:
Attaching should be done with in 5 minutes after coating.
c. Install oil pan (lower). M8
× 100 mm (3.94 in) : 5, 7, 8, 11
M8 × 25 mm (0.98 in) : Except the above
PBIC0783E
SEM958F
PBIC2657E
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EM-40
< SERVICE INFORMATION >[VQ35DE]
OIL PAN AND OIL STRAINER
d. Apply a continuous bead of liquid gasket with the tube presser
(commercial service tool) to the cylinder block mating surface of
oil pan (upper) to a limited portion as shown in the figure.
Use Genuine RTV Silicone Seal ant or equivalent. Refer to
GI-44, "
Recommended Chemical Product and Sealant".
CAUTION:
 For bolt holes with marks (5 locations), apply liquid
gasket outside the holes.
 Apply a bead of 4.5 to 5.5 mm (0.177 to 0.217 in) in diame-
ter to area “A”.
 Attaching should be done wit hin 5 minutes after coating.
e. Install oil pan (upper). CAUTION:
Install avoiding misalignment of both oil pan gasket and O-rings.
 Tighten mounting bolts in numerical order as shown in the fig- ure.
 There are two types of mounting bolts. Refer to the following
for locating bolts.
f. Tighten transmission joint bolts. Refer to AT-241, "
Removal and Installation (2WD Models)".
3. Install oil strainer to oil pump.
4. Install oil pan (lower) as follows:
a. Use scraper to remove old liquid gasket from mating surfaces.  Also remove old liquid gasket from mating surface of oil pan(upper).
 Remove old liquid gasket from the bolt holes and thread.
CAUTION:
Do not scratch or damage the mating surfaces when clean-
ing off old liquid gasket. M8
× 100 mm (3.94 in) : 5, 7, 8, 11
M8 × 25 mm (0.98 in) : Except the above
PBIC2300E
PBIC0783E
SEM958F
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SPARK PLUG (PLATINUM-TIPPED TYPE)EM-43
< SERVICE INFORMATION > [VQ35DE]
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SPARK PLUG (PLATINUM-TIPPED TYPE)
ComponentINFOID:0000000001325722
Removal and InstallationINFOID:0000000001325723
REMOVAL
1. Remove engine cover with power tool. Refer to
EM-19, "Component".
2. Remove ignition coil. Refer to EM-42, "
Component".
3. Remove spark plug with a spark plug wrench (commercial ser- vice tool).
INSPECTION AFTER REMOVAL
Use the standard type spark plug for normal condition.
The hot type spark plug is suitable when fouling occurs with the standard type spark plug under conditions
such as:
 Frequent engine starts
 Low ambient temperatures
The cold type spark plug is suitable when spark knock occurs with the standard type spark plug under condi-
tions such as:
 Extended highway driving
 Frequent high engine revolution
1. Ignition coil 2. Spark plug 3. Rocker cover (left bank)
A. Left bank
PBIC4359E
SEM294A
Make NGK
Standard type PLFR5A-11
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FRONT TIMING CHAIN CASEEM-61
< SERVICE INFORMATION > [VQ35DE]
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e. Tighten mounting bolts to the specified torque in numerical order
as shown in the figure.
 There are two types of mounting bolts. Refer to the followingfor locating bolts.
f. After all bolts tightened, retighten them to the specified torque in numerical order as shown in the figure.
6. Install two mounting bolts in front of oil pan (upper) in numerical order as shown in figure.
7. Install oil pan (lower). Refer to EM-30, "
Component (2WD Models)".
8. Install intake valve timing control covers as follows:
a. Install new seal rings in shaft grooves.
b. Apply a continuous bead of liquid gasket with the tube presser (commercial service tool) to intake valve timing control covers as
shown in the figure.
Use Genuine RTV Silicone Seal ant or equivalent. Refer to
GI-44, "
Recommended Chemical Product and Sealant".
c. Install new collared O-rings in front timing chain case oil hole (left and right sides).
d. Being careful not to move seal ring from the installation groove, align dowel pins on front timing chain case with the holes to install intake valve timing control covers.M8 bolts : 1, 2
: 28.4 N·m (2.9 kg-m, 21 ft-lb)
M6 bolts : Except the above
: 12.7 N·m (1.3 kg-m, 9 ft-lb)
: 17.2 N·m (1.8 kg-m, 13 ft-lb)
KBIA1303E
PBIC1116E
SBIA0492E
PBIC2631E
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EM-74
< SERVICE INFORMATION >[VQ35DE]
TIMING CHAIN
 Apply liquid gasket on installa
tion position of water pump and cylinder head very completely.
d. Align rear timing chain case and water pump assembly with dowel pins (right and left) on cylinder block and install rear timing chain case.
 Make sure O-rings stay in place during installation to cylinder block and cylinder head.
e. Tighten mounting bolts in numerical order as shown in the fig- ure.
 There are two types mounting bolts. Refer to the following forlocating bolts.
f. After all bolts are tightened, retighten them to the s pecified torque in numerical order shown in the figure.
 If liquid gasket protrudes, wipe it off immediately.
g. After installing rear timing chain case, check the surface height difference between the following parts on the oil pan (upper)
mounting surface.
 If not within the standard, repeat the installation procedure.Bolt length: Bolt position
20 mm (0.79 in) : 1, 2, 3, 6, 7, 8, 9, 10
16 mm (0.63 in) : Except the above
: 12.7 N·m (1.3 kg-m, 9 ft-lb)
Standard Rear timing chain case to cylinder block:
–0.24 to 0.14 mm (–0.009 to 0.006 in)
PBIC2680E
SEM735G
SEM943G
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EM-80
< SERVICE INFORMATION >[VQ35DE]
TIMING CHAIN
a. Apply a continuous bead of liquid gasket with the tube presser
(commercial service tool) to front timing chain case back side as
shown in the figure.
Use Genuine RTV Silicone Seal ant or equivalent. Refer to
GI-44, "
Recommended Chemical Product and Sealant".
b. Install front timing chain case as to fit its dowel pin hole together dowel pin on rear timing chain case.
c. Tighten mounting bolts to the specified torque in numerical order as shown in the figure.
 There are two types of mounting bolts. Refer to the followingfor locating bolts.
d. After all bolts are tightened, retighten them to the specified torque in numerical order shown in the figure.
CAUTION:
Be sure to wipe off any excessive liquid gasket l eaking on surface mating with oil pan (upper).
e. After installing front timing chain case, check the surface height difference between the following parts on the oil pan (upper)
mounting surface.
 If not within the standard, repeat the installation procedure.
15. Install right and left intake valve timing control covers as follows:
a. Install new seal rings in shaft grooves.
PBIC2658E
M8 bolts : 1, 2 : 28.4 N·m (2.9 kg-m, 21 ft-lb)
M6 bolts : Except the above
: 12.7 N·m (1.3 kg-m, 9 ft-lb)
Standard Front timing chain case to rear timing chain case:
–0.14 to 0.14 mm (–0.006 to 0.006 in)
KBIA1303E
SEM943G
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EM-106
< SERVICE INFORMATION >[VQ35DE]
CYLINDER HEAD
6. Remove valve oil seal using the valve oil seal puller (SST).
7. If valve seat must be replaced, refer to
EM-107, "
Inspection After Disassembly".
8. If valve guide must be replaced, refer to EM-107, "
Inspection After Disassembly".
9. Remove spark plug tube, as necessary.  Using a pliers, pull spark plug tube out of cylinder head.
CAUTION:
 Take care not to damage cylinder head.
 Once removed, spark plug tube will be deformed and cannot be reused. Do not remove it unless
absolutely necessary.
ASSEMBLY
1. When valve guide is removed, install it. Refer to EM-107, "Inspection After Disassembly".
2. When valve seat is removed, install it. Refer to EM-107, "
Inspection After Disassembly".
3. Install new valve oil seals as follows:
a. Apply new engine oil on valve oil seal joint and seal lip.
b. Install with the valve oil seal drift (SST) to match dimension in the figure.
4. Install valve spring seat.
5. Install valve.  Larger diameter valves are for intake side.NOTE:
Larger diameter valves are for intake side.
6. Install valve spring (uneven pitch type).  Install narrow pitch end (paint mark) to cylinder head side(valve spring seat side).
 Intake side and exhaust side valve springs are different. Install
them referring to the following paint mark collar.
7. Install valve spring retainer.
PBIC0884E
Height “H” (Without valve spring seat installed) Intake and exhaust : 14.3 - 14.9 mm (0.563 - 0.587 in)
PBIC2769E
Paint mark collarIntake and Exhaust : Blue
SEM085D
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EM-150
< SERVICE INFORMATION >[VQ35DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
*: If belt tension gauge cannot be installed at check points shown, check drive belt tension at different location on the belt.
INTAKE MANIFOLD COLLECTOR, INTA
KE MANIFOLD AND EXHAUST MANIFOLD
Unit: mm (in)
SPARK PLUG
CAMSHAFT AND CAMSHAFT BEARING
Unit: mm (in)
Deflection adjustment Unit: mm (in) Tension adjustment* Unit: N (kg, lb)
Used belt New beltUsed belt
New belt
Limit After adjustment Limit After adjustment
Alternator and
power steering
oil pump belt 12 (0.47)
7 - 8
(0.28 - 0.31) 6 - 7
(0.24 - 0.28) 294 (30, 66) 730 - 818
(74.5 - 83.4,
164 - 184) 838 - 926
(85.5 - 94.5,
188 - 208)
A/C compressor
belt 12 (0.47)9 - 10
(0.35 - 0.39) 8 - 9
(0.31 - 0.35) 196 (20, 44) 348 - 436
(35.5 - 44.5, 78 - 98) 470 - 559
(47.9 - 57.0, 106 - 126)
Applied pushing
force 98 N (10 kg, 22 lb) —
PBIC5323E
Items Limit
Surface distortion Intake manifold collector (upper) 0.1 (0.004)
Intake manifold collector (lower) 0.1 (0.004)
Intake manifold 0.1 (0.004)
Exhaust manifold 0.3 (0.012)
Make NGK
Standard type PLFR5A-11
Hot type PLFR4A-11
Cold type PLFR6A-11
Gap (Nominal) 1.1 mm (0.043 in)
Items Standard Limit
Camshaft journal oil clearance No. 1 0.045 - 0.086 (0.0018 - 0.0034)
0.15 (0.0059)
No. 2, 3, 4 0.035 - 0.076 (0.0014 - 0.0030)
Camshaft bracket inner diameter No. 1 26.000 - 26.021 (1.0236 - 1.0244) —
No. 2, 3, 4 23.500 - 23.521 (0.9252 - 0.9260) —
Camshaft journal diameter No. 1 25.935 - 25.955 (1.0211 - 1.0218) —
No. 2, 3, 4 23.445 - 23.465 (0.9230 - 0.9238) —
Camshaft end play 0.115 - 0.188 (0.0045 - 0.0074) 0.24 (0.0094)
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