sensor INFINITI M35 2006 Factory Service Manual
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EM-166
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PREPARATION
Revision: 2006 January2006 M35/M45
PREPARATIONPFP:00002
Special Service ToolsNBS004OE
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool nameDescription
KV10111100
(J–37228)
Seal cutterRemoving steel oil pan and front cover
KV10114400
(J-38365)
Heated oxygen sensor wrenchLoosening or tightening heated oxygen
sensors
a: 22 mm (0.87 in)
EG15050500
(J–45402)
Compression gauge adapterInspecting of compression pressure
KV10116200
(J–26336-A)
Valve spring compressor
1. KV10115900
(J–26336-20)
Attachment
2. KV10109220
(—)
AdapterDisassembling valve mechanism
Part (1) is a component of KV10116200
(J26336-A), but part (2) is not so.
KV101151S0
(J–38972)
Lifter stopper set
1. KV10115110
(J–38972-1)
Camshaft pliers
2. KV10115120
(J–38972-2)
Lifter stopperChanging valve lifter shims
KV10112100
(BT8653-A)
Angle wrenchTightening bolts for bearing cap, cylinder
head, etc.
S-NT046
S-NT636
ZZA1225D
PBIC1650E
S-NT041
S-NT014
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EM-170
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PREPARATION
Revision: 2006 January2006 M35/M45
(—)
Valve guide driftRemoving and installing valve guide
Intake and Exhaust:
a: 9.5 mm (0.374 in) dia.
b: 5.5 mm (0.217 in) dia.
(—)
Valve guide reamer(1): Reaming valve guide inner hole
(2): Reaming hole for oversize valve guide
Intake and Exhaust:
d
1 : 6.0 mm (0.236 in) dia.
d
2 : 10.2 mm (0.402 in) dia.
(J-43897-18)
(J-43897-12)
Oxygen sensor thread cleanerReconditioning the exhaust system threads
before installing a new heated oxygen
sensor (Use with anti-seize lubricant shown
below.)
a: J-43897-18 (18 mm dia.) for zirconia
heated oxygen sensor and air fuel ratio
sensor
b: J-43897-12 (12 mm dia.) for titania
heated oxygen sensor and air fuel ratio
sensor
(—)
Anti-seize lubricant (Permatex 133AR
or equivalent meeting MIL
specification MIL-A-907)Lubricating oxygen sensor thread cleaning
tool when reconditioning exhaust system
threads (Kent-Moore No.)
Tool nameDescription
S-NT015
S-NT016
AEM488
AEM489
Page 3236 of 5621
ENGINE ROOM COVER
EM-173
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ENGINE ROOM COVERPFP:14049
ComponentsNBS004OI
Removal and InstallationNBS004OJ
REMOVAL
CAUTION:
Do not damage or scratch cover when installing or removing.
Refer to EM-179, "INTAKE MANIFOLD" for removal and installation of engine cover.
Refer to EM-177, "AIR CLEANER AND AIR DUCT" for removal and installation of air duct (inlet).
Remove the washer tank cap before removing the engine room cover (RH).
Remove the engine room covers (RH and LH) by lifting the clipped point using a clip driver.
Major parts and inspection points under each cover are as follows; (numbered as in the figure)
1. Upper side of engine assembly
2. Battery, relay box
3. Power steering fluid reservoir tank, engine coolant reservoir tank, relay box
4. Engine assembly front side, drive belts, cooling fan
5. Mass air flow sensor, air cleaner case
6. Brake master cylinder, brake booster
INSTALLATION
Installation is the reverse order of removal.
1. Engine cover 2. Battery cover 3. Engine room cover (RH)
4. Air duct (inlet) 5. Engine room cover (LH) 6. Brake master cylinder cover
A. Clip (secure at back surface)
PBIC3294E
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AIR CLEANER AND AIR DUCT
EM-177
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AIR CLEANER AND AIR DUCTPFP:16500
ComponentsNBS004OQ
Refer to GI-11, "Components" for symbol marks in the figure.
Removal and InstallationNBS004OR
REMOVAL
1. Remove engine room cover (RH and LH). Refer to EM-173, "ENGINE ROOM COVER" .
2. Disconnect harness connector from mass air flow sensor.
3. Disconnect vacuum hose and PCV hose.
4. Remove air duct (inlet), air cleaner case and mass air flow sensor assembly, air duct and resonator
assembly disconnecting their joints.
Add marks as necessary for easier installation.
5. Remove mass air flow sensor from air cleaner case, as necessary.
CAUTION:
Handle mass air flow sensor with following cares.
Do not shock it.
Do not disassemble it.
Do not touch its sensor.
1. Air cleaner filter 2. Holder 3. Air duct (inlet)
4. Air cleaner case 5. Mounting rubber 6. Resonator
7. Mass air flow sensor 8. O-ring 9. Air duct and resonator assembly
10. Vacuum hose 11. PCV hose
A. To electric throttle control actuator B. To rocker cover (left bank) C. To VIAS control solenoid valve
PBIC3295E
Page 3246 of 5621
EXHAUST MANIFOLD AND THREE WAY CATALYST
EM-183
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EXHAUST MANIFOLD AND THREE WAY CATALYSTPFP:14004
ComponentsNBS004OV
Refer to GI-11, "Components" for symbol marks in the figure.
Removal and InstallationNBS004OW
REMOVAL
WAR NING :
Perform the work when the exhaust and cooling system have completely cooled down.
1. Remove engine room cover (RH and LH). Refer to EM-173, "
ENGINE ROOM COVER" .
2. Remove engine cover with power tool. Refer to EM-179, "
INTAKE MANIFOLD" .
3. Remove air duct (inlet), air cleaner case and air duct and resonator assembly. Refer to EM-177, "
AIR
CLEANER AND AIR DUCT" .
4. Remove front and rear engine undercovers with power tool.
1. Harness bracket 2. Exhaust manifold cover (right bank) 3.Exhaust manifold and three way cat-
alyst (right bank)
4. Air fuel ratio sensor 1 (bank 2) 5. Gasket 6. Harness bracket
7. Air fuel ratio sensor 1 (bank 1) 8.Exhaust manifold and three way cat-
alyst (left bank)9. Exhaust manifold cover (left bank)
PBIC3299E
Page 3247 of 5621
EM-184
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EXHAUST MANIFOLD AND THREE WAY CATALYST
Revision: 2006 January2006 M35/M45
5. Drain engine coolant from radiator. Refer to CO-40, "Changing Engine Coolant" .
CAUTION:
Perform this step when engine is cold.
Do not spill engine coolant on drive belts.
6. Remove radiator. Refer to CO-43, "
RADIATOR" .
7. Remove drive belts. Refer to EM-174, "
DRIVE BELTS" .
8. Remove exhaust front tube with power tool. Refer to EX-3, "
EXHAUST SYSTEM" .
9. Remove air fuel ratio sensor 1 as follows:
a. Disconnect harness connector of each air fuel ratio sensor 1.
b. Remove air fuel ratio sensor 1 on both bank with heated oxygen
sensor wrench (SST).
CAUTION:
Be careful not to damage air fuel ratio sensor 1.
Discard any air fuel ratio sensor 1 which has been
dropped onto a hard surface such as a concrete floor;
replace with a new one.
10. Remove exhaust manifold and three way catalyst (left bank) as follows:
a. Disconnect A/C piping from A/C compressor, then remove A/C compressor with power tool. Refer to AT C -
151, "REFRIGERANT LINES" .
b. Remove steering lower joint to enable steering shaft to move freely. Refer to PS-13, "
STEERING COL-
UMN" .
c. Remove starter motor. Refer to SC-10, "
STARTING SYSTEM" .
d. Remove nuts on bottom of engine mounting insulator (LH), and lift up left side of engine approximately 3
cm (1.18 in) with transmission jack. Refer to EM-244, "
ENGINE ASSEMBLY" .
e. Remove exhaust manifold cover (left bank).
f. Loosen nuts in the reverse order of figure to remove exhaust
manifold and three way catalyst (left bank) with power tool.
NOTE:
Disregard No. 9 to No. 12 when loosening.
11. Remove exhaust manifold and three way catalyst (right bank) as follows:
a. Remove alternator and bracket. Refer to SC-23, "
CHARGING SYSTEM" .
PBIC2333E
A : Left bank
B : Right bank
: Engine front
PBIC3300E
Page 3249 of 5621
EM-186
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EXHAUST MANIFOLD AND THREE WAY CATALYST
Revision: 2006 January2006 M35/M45
Exhaust Manifold Gasket
Install exhaust manifold gasket with its directional protrusion set
upward.
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
CAUTION:
Before installing a new air fuel ratio sensor 1, 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. Doing so may cause damage to the air fuel ratio sensor 1,
resulting in “MIL” coming on.
A : Protrusion for confirming installation
: Above
PBIC3301E
A : Left bank
B : Right bank
: Engine front
PBIC3300E
Page 3250 of 5621
OIL PAN AND OIL STRAINER
EM-187
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OIL PAN AND OIL STRAINERP F P : 1111 0
ComponentsNBS004OX
Refer to GI-11, "Components" for symbol marks in the figure.
Removal and InstallationNBS004OY
REMOVAL
WAR NING :
To avoid the danger of being scalded, do not drain engine oil when engine is hot.
1. Remove front and rear engine undercovers with power tool.
2. Drain engine oil. Refer to LU-28, "
Changing Engine Oil" .
CAUTION:
Perform this step when engine is cold.
Do not spill engine oil on drive belts.
3. Remove engine assembly from vehicle. Refer to EM-244, "
ENGINE ASSEMBLY" .
1. Oil pan 2. O-ring 3. Crankshaft position sensor (POS)
4. O-ring 5. Drain plug washer 6. Drain plug
7. Oil pressure switch 8. Gasket 9. Oil strainer
10. Harness bracket 11. Oil filter 12. Rear plate cover
A. Oil pan side B. Refer to LU-29
PBIC3326E
Page 3267 of 5621
EM-204
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TIMING CHAIN
Revision: 2006 January2006 M35/M45
Removal and InstallationNBS004P8
REMOVAL
1. Remove engine assembly from vehicle. Refer to EM-244, "ENGINE ASSEMBLY" .
2. Remove the following components and related parts:
Drive belt auto tensioner and idler pulley; Refer to EM-176, "Drive Belt Auto Tensioner and Idler Pulley"
.
Thermostat housing and hoses; Refer to CO-55, "THERMOSTAT AND WATER CONTROL VALVE" .
Ignition coil; Refer to EM-190, "IGNITION COIL" .
Rocker cover; Refer to EM-199, "ROCKER COVER" .
3. If necessary, remove intake valve timing control position sensor
(right and left bank) and camshaft position sensor (PHASE) from
intake valve timing control cover and front cover.
CAUTION:
Handle carefully to avoid dropping and shocks.
Do not disassemble.
4. If necessary, remove intake valve timing control solenoid valve from intake valve timing control cover.
CAUTION:
Handle components and parts 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.
1. Camshaft sprocket (EXH) 2. Camshaft sprocket (INT) 3. Camshaft sprocket (INT)
4. Camshaft sprocket (EXH) 5. Front cover 6.Intake valve timing control solenoid
valve (right bank)
7. O-ring 8. Seal ring 9.Intake valve timing control position
sensor (right bank)
10. O-ring 11.Intake valve timing control cover
(right bank)12.Intake valve timing control position
sensor (left bank)
13. O-ring 14.Intake valve timing control cover (left
bank)15. Seal ring
16.Intake valve timing control solenoid
valve (left bank)17. O-ring 18. Oil level gauge
19. Oil level gauge guide 20. O-ring 21. Crankshaft pulley bolt
22. Crankshaft pulley 23. Front oil seal 24. Chain tensioner cover
25. Camshaft position sensor (PHASE) 26. O-ring 27. Oil pump drive spacer
28. Oil pump assembly 29. Crankshaft sprocket 30. O-ring
31. O-ring 32.Timing chain tension guide
(right bank)33.Timing chain slack guide
(right bank)
34. Timing chain (right bank) 35. Timing chain (left bank) 36. Chain tensioner (left bank)
37. Chain tensioner (right bank) 38.Timing chain slack guide
(left bank)39.Timing chain tension guide
(left bank)
40. O-ring
PBIC0050E
Page 3276 of 5621
TIMING CHAIN
EM-213
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Revision: 2006 January2006 M35/M45
b. Install new O-rings on front cover.
c. Apply a continuous bead of liquid gasket with tube presser [SST:
WS3930000 ( — )] to intake valve timing control covers as
shown in the figure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS".
d. Tighten mounting bolts in numerical order as shown in the fig-
ure.
12. Install intake valve timing control position sensor, intake valve timing control solenoid valve and camshaft
position sensor (PHASE) to intake valve timing control cover and front cover if removed.
Be sure to tighten mounting bolts with flanges completely seated.
13. Install oil pan and oil strainer. Refer to EM-187, "
OIL PAN AND OIL STRAINER" .
14. Install crankshaft pulley as follows:
a. Fix crankshaft with ring gear stopper [SST: J-45476].
b. Install crankshaft pulley, taking care not to damage front oil seal.
Install according to dowel pin of oil pump drive spacer.
Lightly tapping its center with plastic hammer, insert pulley.
CAUTION:
Do not tap pulley on the side surface where belt is installed (outer circumference).
c. Apply engine oil onto threaded parts of crankshaft pulley bolt and seating area.
d. Tighten crankshaft pulley bolt.
e. Put a paint mark on crankshaft pulley aligning with angle mark on crankshaft pulley bolt.
SBIA0374E
SBIA0375E
PBIC0051E
: 93.1 Nꞏm (9.5 kg-m, 69 ft-lb)