2006 INFINITI FX35 Timing chain

DTC P1140, P1145 IVT CONTROL POSITION SENSOR EC-1167
[VK45DE]
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Revision: 2006 December 2006 FX35/FX45
Component InspectionNBS004BF
INTAKE VALVE TIMING CONTROL POSITION SENSOR
1. Disconnect intake valve timing control position sensor harness connector.
2. Loosen the fixing bolt of the sensor.
3. Remove the sensor.
4. Visually check the sensor for chipping.
5. Check resistance as shown below.
6. If NG, replace intake valve timing control position sensor.
Removal and InstallationNBS004BG
INTAKE VALVE TIMING CONTROL POSITION SENSOR
Refer to EM-203, "TIMING CHAIN" .
SEF362Z
Terminal No. (Polarity) Resistance Ω [at 25 °C (77 °F)]
3 (+) - 1 (-) Except 0 or ∞
2 (+) - 1 (-)
3 (+) - 2 (-)
PBIB0194E

EM-2Revision: 2006 December 2006 FX35/FX45
IGNITION COIL ......................................................
... 42
Components ........................................................ ... 42
Removal and Installation ..................................... ... 42
REMOVAL ........................................................ ... 42
INSTALLATION ................................................. ... 42
SPARK PLUG (PLATINUM-TIPPED TYPE) .......... ... 43
Components ........................................................ ... 43
Removal and Installation ..................................... ... 43
REMOVAL ........................................................ ... 43
INSPECTION AFTER REMOVAL ..................... ... 43
INSTALLATION ................................................. ... 44
FUEL INJECTOR AND FUEL TUBE ..................... ... 45
Components ........................................................ ... 45
Removal and Installation ..................................... ... 45
REMOVAL ........................................................ ... 45
INSTALLATION ................................................. ... 47
INSPECTION AFTER INSTALLATION ............. ... 50
ROCKER COVER .................................................. ... 51
Components ........................................................ ... 51
Removal and Installation ..................................... ... 51
REMOVAL ........................................................ ... 51
INSTALLATION ................................................. ... 52
FRONT TIMING CHAIN CASE .............................. ... 54
Removal and Installation ..................................... ... 54
REMOVAL ........................................................ ... 54
INSTALLATION ................................................. ... 58
INSPECTION AFTER INSTALLATION ............. ... 63
TIMING CHAIN ....................................................... ... 64
Components ........................................................ ... 64
Removal and Installation ..................................... ... 65
REMOVAL ........................................................ ... 65
INSPECTION AFTER REMOVAL ..................... ... 72
INSTALLATION ................................................. ... 72
INSPECTION AFTER INSTALLATION ............. ... 82
CAMSHAFT ............................................................ ... 83
Components ........................................................ ... 83
Removal and Installation ..................................... ... 84
REMOVAL ........................................................ ... 84
INSPECTION AFTER REMOVAL ..................... ... 85
INSTALLATION ................................................. ... 88
INSPECTION AFTER INSTALLATION ............. ... 92
Valve Clearance ................................................... ... 93
INSPECTION .................................................... ... 93
ADJUSTMENT ................................................. ... 96
OIL SEAL ............................................................... ... 98
Removal and Installation of Valve Oil Seal .......... ... 98
REMOVAL ........................................................ ... 98
INSTALLATION ................................................. ... 98
Removal and Installation of Front Oil Seal .......... ... 99
REMOVAL ........................................................ ... 99
INSTALLATION ................................................. ... 99
Removal and Installation of Rear Oil Seal ........... ... 99
REMOVAL ........................................................ ... 99
INSTALLATION ................................................. .100
CYLINDER HEAD .................................................. .101
On-Vehicle Service .............................................. .101
CHECKING COMPRESSION PRESSURE ...... .101
Components ........................................................ .102 Removal and Installation ......................................
.102
REMOVAL ......................................................... .102
INSPECTION AFTER REMOVAL ..................... .103
INSTALLATION ................................................. .104
INSPECTION AFTER INSTALLATION ............. .105
Disassembly and Assembly ................................. .106
DISASSEMBLY ................................................. .106
ASSEMBLY ....................................................... .107
Inspection After Disassembly ............................... .108
VALVE DIMENSIONS ....................................... .108
VALVE GUIDE CLEARANCE ........................... .108
VALVE GUIDE REPLACEMENT ...................... .109
VALVE SEAT CONTACT ................................... .110
VALVE SEAT REPLACEMENT ......................... .110
VALVE SPRING SQUARENESS ...................... . 111
VALVE SPRING DIMENSIONS AND VALVE
SPRING PRESSURE LOAD ............................. .112
ENGINE ASSEMBLY .............................................. .113
Components (2WD Models) ................................. .113
Removal and Installation (2WD Models) .............. .113
REMOVAL ......................................................... .114
INSTALLATION ................................................. .116
INSPECTION AFTER INSTALLATION ............. .117
Components (AWD Models) ................................ .118
Removal and Installation (AWD Models) ............. .118
REMOVAL ......................................................... .119
INSTALLATION ................................................. .121
INSPECTION AFTER INSTALLATION ............. .122
CYLINDER BLOCK ................................................ .123
Components ......................................................... .123
Disassembly and Assembly ................................. .124
DISASSEMBLY ................................................. .124
ASSEMBLY ....................................................... .129
How to Select Piston and Bearing ....................... .136
DESCRIPTION ................................................. .136
HOW TO SELECT PISTON .............................. .136
HOW TO SELECT CONNECTING ROD BEAR-
ING .................................................................... .137
HOW TO SELECT MAIN BEARING ................. .138
Inspection After Disassembly ............................... .141
CRANKSHAFT END PLAY ............................... .141
CONNECTING ROD SIDE CLEARANCE ........ .141
PISTON TO PISTON PIN OIL CLEARANCE .... .141
PISTON RING SIDE CLEARANCE .................. .142
PISTON RING END GAP ................................. .142
CONNECTING ROD BEND AND TORSION .... .143
CONNECTING ROD BIG END DIAMETER ..... .143
CONNECTING ROD BUSHING OIL CLEAR-
ANCE ................................................................ .143
CYLINDER BLOCK DISTORTION ................... .144
MAIN BEARING HOUSING INNER DIAMETER .145
PISTON TO CYLINDER BORE CLEARANCE . .145
CRANKSHAFT MAIN JOURNAL DIAMETER .. .146
CRANKSHAFT PIN JOURNAL DIAMETER ..... .147
CRANKSHAFT OUT-OF-ROUND AND TAPER .147
CRANKSHAFT RUNOUT ................................. .147
CONNECTING ROD BEARING OIL CLEAR-

EM-4Revision: 2006 December 2006 FX35/FX45
ROCKER COVER ..................................................
.200
Components ........................................................ .200
Removal and Installation ..................................... .200
REMOVAL ........................................................ .200
INSTALLATION ................................................. .202
TIMING CHAIN ....................................................... .203
Components ........................................................ .203
Removal and Installation ..................................... .204
REMOVAL ........................................................ .204
INSPECTION AFTER REMOVAL ..................... .208
INSTALLATION ................................................. .208
INSPECTION AFTER INSTALLATION ............. .214
CAMSHAFT ............................................................ .215
Components ........................................................ .215
Removal and Installation ..................................... .215
REMOVAL ........................................................ .215
INSPECTION AFTER REMOVAL ..................... .216
INSTALLATION ................................................. .219
INSPECTION AFTER INSTALLATION ............. .221
Valve Clearance ................................................... .222
INSPECTION .................................................... .222
ADJUSTMENT ................................................. .224
OIL SEAL ............................................................... .228
Removal and Installation of Valve Oil Seal .......... .228
REMOVAL ........................................................ .228
INSTALLATION ................................................. .228
Removal and Installation of Front Oil Seal .......... .229
REMOVAL ........................................................ .229
INSTALLATION ................................................. .229
Removal and Installation of Rear Oil Seal ........... .230
REMOVAL ........................................................ .230
INSTALLATION ................................................. .230
CYLINDER HEAD .................................................. .232
On-Vehicle Service .............................................. .232
CHECKING COMPRESSION PRESSURE ...... .232
Components ........................................................ .233
Removal and Installation ..................................... .233
REMOVAL ........................................................ .233
INSPECTION AFTER REMOVAL ..................... .234
INSTALLATION ................................................. .234
Disassembly and Assembly ................................. .236
COMPONENTS ................................................ .236
DISASSEMBLY ................................................ .236
ASSEMBLY ...................................................... .237
Inspection After Disassembly .............................. .238
VALVE DIMENSIONS ....................................... .238
VALVE GUIDE CLEARANCE ........................... .239
VALVE GUIDE REPLACEMENT ...................... .239
VALVE SEAT CONTACT .................................. .241
VALVE SEAT REPLACEMENT ........................ .241
VALVE SPRING SQUARENESS ...................... .242
VALVE SPRING DIMENSIONS AND VALVE
SPRING PRESSURE LOAD ............................ .242 ENGINE ASSEMBLY ..............................................
.243
Components ......................................................... .243
Removal and Installation ...................................... .243
REMOVAL ......................................................... .243
INSTALLATION ................................................. .246
INSPECTION AFTER INSTALLATION ............. .246
CYLINDER BLOCK ................................................ .248
Components ......................................................... .248
Disassembly and Assembly ................................. .249
DISASSEMBLY ................................................. .249
ASSEMBLY ....................................................... .253
How to Select Piston and Bearing ....................... .258
DESCRIPTION ................................................. .258
HOW TO SELECT PISTON .............................. .259
HOW TO SELECT CONNECTING ROD BEAR-
ING .................................................................... .260
HOW TO SELECT MAIN BEARING ................. .261
Inspection After Disassembly ............................... .265
CRANKSHAFT END PLAY ............................... .265
CONNECTING ROD SIDE CLEARANCE ........ .265
PISTON TO PISTON PIN OIL CLEARANCE .... .265
PISTON RING SIDE CLEARANCE .................. .266
PISTON RING END GAP ................................. .266
CONNECTING ROD BEND AND TORSION .... .267
CONNECTING ROD BIG END DIAMETER ..... .267
CONNECTING ROD BUSHING OIL CLEAR-
ANCE ................................................................ .267
CYLINDER BLOCK DISTORTION ................... .268
MAIN BEARING HOUSING INNER DIAMETER .269
PISTON TO CYLINDER BORE CLEARANCE . .269
CRANKSHAFT MAIN JOURNAL DIAMETER .. .270
CRANKSHAFT PIN JOURNAL DIAMETER ..... .271
CRANKSHAFT OUT-OF-ROUND AND TAPER .271
CRANKSHAFT RUNOUT ................................. .271
CONNECTING ROD BEARING OIL CLEAR-
ANCE ................................................................ .272
MAIN BEARING OIL CLEARANCE .................. .273
CRUSH HEIGHT OF MAIN BEARING ............. .274
CRUSH HEIGHT OF CONNECTING ROD
BEARING .......................................................... .274
DRIVE PLATE ................................................... .274
SERVICE DATA AND SPECIFICATIONS (SDS) ... .275
Standard and Limit ............................................... .275
GENERAL SPECIFICATIONS .......................... .275
DRIVE BELTS ................................................... .275
INTAKE MANIFOLD AND EXHAUST MANI-
FOLD ................................................................ .275
SPARK PLUG ................................................... .276
CAMSHAFT AND CAMSHAFT BEARING ........ .276
CYLINDER HEAD ............................................. .278
CYLINDER BLOCK ........................................... .281
PISTON, PISTON RING AND PISTON PIN ..... .282
CONNECTING ROD ......................................... .283
CRANKSHAFT .................................................. .284
MAIN BEARING ................................................ .286
CONNECTING ROD BEARING ........................ .287

PREPARATION EM-9
[VQ35DE]
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Revision: 2006 December 2006 FX35/FX45KV10115600
(J-38958)
Valve oil seal drift Installing valve oil seal
Use side A.
a: 20 (0.79) dia. d: 8 (0.31) dia.
b: 13 (0.51) dia. e: 10.7 (0.421)
c: 10.3 (0.406) dia. f: 5 (0.20)
Unit: mm (in)
EM03470000
(J8037)
Piston ring compressor Installing piston assembly into cylinder bore
ST16610001
(J23907)
Pilot bushing puller Removing pilot converter
KV10111100
(J37228)
Seal cutter Removing oil pan (lower and upper), front
and rear timing chain case, etc.
WS39930000
(—)
Tube presser Pressing the tube of liquid gasket
KV10112100
(BT8653-A)
Angle wrench Tightening bolts for connecting rod bearing
cap, cylinder head, etc. in angle
KV10117100
(J3647-A)
Heated oxygen sensor wrench Loosening or tightening heated oxygen
sensor 2
For 22 mm (0.87 in) width hexagon nut
Tool number
(Kent-Moore No.)
Tool name Description
S-NT603
NT044
NT045
NT046
NT052
NT014
NT379

EM-14
[VQ35DE]
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: 2006 December 2006 FX35/FX45
Use the Chart Below to Help You Find the Cause of the Symptom.NBS003FY
1. Locate the area where noise occurs.
2. Confirm the type of noise.
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
engine
Rocker
cover
Cylinder
head Ticking or
clicking CA—AB— Tappet
noise Valve clearance
EM-93
Rattle C A — A B C Camshaft
bearing
noise Camshaft runout
Camshaft journal oil
clearance EM-85EM-86
Crank-
shaft pul-
ley
Cylinder
block
(Side of
engine)
Oil pan Slap or
knock —A—B B— Piston pin
noise Piston to piston pin oil
clearance
Connecting rod bush-
ing oil clearance EM-141
EM-143
Slap or
rap A——B B A Piston
slap noise Piston to cylinder bore
clearance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend
and torsion EM-145EM-142
EM-142
EM-143
Knock A B C B B B
Connect-
ing rod
bearing
noise Connecting rod bush-
ing oil clearance
Connecting rod bear-
ing oil clearance EM-143EM-147
Knock A B — A B C
Main
bearing
noise Main bearing oil clear-
ance
Crankshaft runout EM-148
EM-147
Front of
engine
Timing
chain
case Tapping or
ticking AA—BBB Timing
chain and
timing
chain ten-
sioner
noise Timing chain cracks
and wear
Timing chain tensioner
operation EM-72
EM-64
Front of
engine Squeak-
ing or fizz-
ing AB—B—C Drive belts
(Sticking
or slip-
ping) Drive belts deflection
EM-15
CreakingABABAB Drive belts
(Slipping) Idler pulley bearing
operation
Squall
Creak AB—BAB Water
pump
noise Water pump operation CO-22,
"WATER
PUMP"

OIL PAN AND OIL STRAINER EM-31
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Revision: 2006 December 2006 FX35/FX45

Do not spill engine oil on drive belts.
6. Drain engine coolant. Refer to CO-11, "
Changing Engine Coolant" .
CAUTION:

Perform this step when the engine is cold.

Do not spill engine coolant on drive belts.
7. Remove engine cover with power tool. Refer to EM-19, "
INTAKE MANIFOLD COLLECTOR" .
8. Remove air hose from air duct to mass air flow sensor side and electric throttle control actuator side. Refer to EM-17, "
AIR CLEANER AND AIR DUCT" .
9. Removal engine rear lower slinger, and install engine rear slinger [SST: 10006 31U00 ( — )] to sling engine assembly for positioning. Refer to EM-8, "
Special Service Tools" .
10. Remove front suspension member. Refer to FSU-17, "
FRONT SUSPENSION MEMBER" .
11. Remove drive belts. Refer to EM-15, "
DRIVE BELTS" .
12. Remove alternator stay. Refer to SC-20, "
CHARGING SYSTEM" .
13. Remove starter motor. Refer to SC-8, "
STARTING SYSTEM" .
14. Remove idler pulley and bracket assembly. Refer to EM-64, "
TIMING CHAIN" .
15. Disconnect oil cooler water hoses, and remove oil cooler water pipe mounting bolt. Refer to LU-14, "
OIL
COOLER" .
16. Disconnect A/T fluid cooler hoses, and remove A/T fluid cooler tube. Refer to AT- 2 6 6 , "
TRANSMISSION
ASSEMBLY" .
17. Remove crankshaft position sensor (POS).
CAUTION:

Handle carefully to avoid dropping and shocks.

Do not disassemble.

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.
18. Remove oil filter, as necessary. Refer to LU-10, "
OIL FILTER" .
19. Remove oil cooler, as necessary. Refer to LU-14, "
OIL COOLER" .
20. Remove oil pan (lower) as follows:
a. Loosen mounting bolts in reverse order as shown in the figure to remove.
b. Insert the seal cutter (SST) between oil pan (upper) and oil pan (lower).
CAUTION:

Be careful not to damage the mating surfaces.

Do not insert a screwdriver, this will damage the mating
surfaces.
c. Slide the seal cutter by tapping on the side of tool with a ham- mer. Remove oil pan (lower). Slinger bolts:
: 28.0 N·m (2.9 kg-m, 21 ft-lb)
PBIC0782E
SEM960F

OIL PAN AND OIL STRAINER EM-33
[VQ35DE]
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Revision: 2006 December 2006 FX35/FX45

Apply liquid gasket to oil pan gaskets as shown in the figure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS" .

To install, align protrusion of oil pan gasket with notches of
front timing chain case and rear oil seal retainer.

Install oil pan gasket with smaller arc to front timing chain
case side.
c. Install new O-rings on the bottom of cylinder block and oil pump.
d. Apply a continuous bead of liquid gasket with the tube presser [SST: WS39930000 ( — )] to the cylinder block mating sur-
face of oil pan (upper) to a limited portion as shown in the figure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS" .
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 within 5 minutes after coating.
e. Install oil pan (upper). CAUTION:
Install avoiding misalignment of both oil pan gaskets and O-rings.
PBIC2630E
PBIC1145E
PBIC1144E
PBIC2300E

OIL PAN AND OIL STRAINER EM-39
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Revision: 2006 December 2006 FX35/FX45
a. Use a scraper to remove old liquid gasket from mating surfaces. CAUTION:
Do not scratch or damage the mating surfaces when clean-
ing off old liquid gasket.

Also remove old liquid gasket from mating surface of cylinder
block.

Remove old liquid gasket from the bolt holes and threads.
b. Install new oil pan gaskets.

Apply liquid gasket to oil pan gaskets as shown in the figure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS" .

To install, align protrusion of oil pan gasket with notches of
front timing chain case and rear oil seal retainer.

Install oil pan gasket with smaller arc to front timing chain
case side.
c. Install new O-rings on the bottom of cylinder block and oil pump.
MEM108A
PBIC2630E
PBIC1145E
PBIC1144E