2006 INFINITI M35 Intake Manifold

SERVICE DATA AND SPECIFICATIONS (SDS)
EM-151
[VQ35DE]
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Revision: 2006 January2006 M35/M45
DRIVE BELT
*: If belt tension gauge cannot be installed at check points shown, check drive belt tension at different location on the belt.
INTAKE MANIFOLD COLLECTOR, INTAKE MANIFOLD AND EXHAUST MANIFOLD
Unit: mm (in)
SPARK PLUG
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 belt7 (0.28)4 - 5
(0.16 - 0.20)3.5 - 4.5
(0.138 - 0.177)294 (30, 66)730 - 818
(74.5 - 83.5,
164 - 184)838 - 926
(85.5 - 94.5,
188 - 208)
A/C compressor
belt12 (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
(48 - 57,
106 - 126)
Applied pushing
force98 N (10 kg, 22 lb) —
KBIA1731J
Items Limit
Surface distortionIntake 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)
MakeNGK
Standard typePLFR5A-11
Hot typePLFR4A-11
Cold typePLFR6A-11
Gap (Nominal)1.1 (0.043)

ENGINE ROOM COVER
EM-173
[VK45DE]
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Revision: 2006 January2006 M35/M45
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

INTAKE MANIFOLD
EM-179
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Revision: 2006 January2006 M35/M45
INTAKE MANIFOLDPFP:14003
ComponentsNBS004OT
PBIC3296E

EM-180
[VK45DE]
INTAKE MANIFOLD
Revision: 2006 January2006 M35/M45
Refer to GI-11, "Components" for symbol marks in the figure.
Removal and InstallationNBS004OU
REMOVAL
WAR NING :
To avoid the danger of being scalded, never drain the engine coolant when the engine is hot.
1. Remove engine room cover (RH and LH). Refer to EM-173, "
ENGINE ROOM COVER" .
2. Remove engine cover with power tool.
3. Release fuel pressure. Refer to EC-809, "
FUEL PRESSURE RELEASE" .
4. Remove air duct (inlet), air cleaner case and air duct and resonator assembly. Refer to EM-177, "
AIR
CLEANER AND AIR DUCT" .
5. Drain engine coolant from radiator. Refer to CO-40, "
DRAINING ENGINE COOLANT" .
CAUTION:
Perform this step when the engine is cold.
Do not spill engine coolant on drive belts.
1. PCV tube 2. PCV hose 3. PCV hose
4. Engine cover bracket (RH) 5.EVAP canister purge control sole-
noid valve6. EVAP hose
7. EVAP service port 8. EVAP tube 9. Vacuum hose
10. PCV hose 11. PCV tube 12. PCV hose
13. PCV hose 14. Vacuum hose 15. Vacuum hose
16. Vacuum tank 17. EVAP hose 18. Water hose
19. Intake manifold adapter 20. Gasket 21. Electric throttle control actuator
22. Gasket 23. Intake manifold (lower) 24. Gasket
25. Water hose 26. Engine cover bracket (LH) 27. Vacuum hose
28. Vacuum hose 29. Vacuum hose 30. Water hose
31. VIAS control solenoid valve 32. Vacuum hose 33. Intake manifold (upper)
34. Gasket
A. To centralized under-floor piping B. To rocker cover (right bank) C. To rocker cover (left bank)
D. To thermostat housing E. To air duct and resonator assembly F. To heater pipe
PBIC3365E

INTAKE MANIFOLD
EM-181
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Revision: 2006 January2006 M35/M45
6. Disconnect fuel feed hose quick connector on engine side.
Refer to EM-193, "
FUEL INJECTOR AND FUEL TUBE" .
7. Remove fuel damper and fuel hose assembly. Refer to EM-193, "
FUEL INJECTOR AND FUEL TUBE" .
CAUTION:
While hoses are disconnected, plug them to prevent fuel from draining.
Do not separate fuel damper and fuel hose.
8. Remove or disconnect harnesses, engine cover bracket (RH and LH), vacuum hose, EVAP tube and hose
and PCV hose and tube from intake manifold (upper).
9. Loosen mounting bolts in reverse order as shown in the figure to
remove intake manifold (upper) with power tool.
10. Remove electric throttle control actuator as follows:
a. Disconnect harness connector.
b. Loosen mounting bolts diagonally.
CAUTION:
Handle carefully to avoid any shock to electric throttle control actuator.
Do not disassemble.
11. Remove fuel injector and fuel tube assembly. Refer to EM-193, "
FUEL INJECTOR AND FUEL TUBE" .
12. Disconnect water hoses from intake manifold adaptor.
13. Loosen mounting bolts in reverse order as shown in the figure to
remove intake manifold (lower) with power tool.
14. Remove intake manifold adaptor from intake manifold (lower).
15. Remove vacuum tank.
16. Remove intake manifold gaskets.
CAUTION:
Cover engine openings to avoid entry of foreign materials.
PBIC3828E
: Engine front
PBIC3297E
: Engine front
PBIC3298E

EM-182
[VK45DE]
INTAKE MANIFOLD
Revision: 2006 January2006 M35/M45
INSPECTION AFTER REMOVAL
Surface Distortion
Check the surface distortion of both the intake manifold (upper
and lower) mating surfaces with straightedge and feeler gauge.
If it exceeds the limit, replace intake manifolds (lower and/or
upper).
INSTALLATION
Note the following, and install in the reverse order of removal.
Intake Manifold (Lower)
Tighten in numerical order as shown in the figure.
There are two types of mounting bolts. Refer to the following for
locating bolts.
Intake Manifold (Upper)
Tighten in numerical order as shown in the figure.
Electric Throttle Control Actuator
Install gasket with its directional protrusion set up/downward.
Tighten mounting bolts of electric throttle control actuator equally and diagonally in several steps.
After installation perform procedure in EM-182, "INSPECTION AFTER INSTALLATION" .
Water Hose
Insert hose by 27 to 32 mm (1.06 to 1.26 in) from connector end.
Vac u u m H ose
Refer to EC-833, "Vacuum Hose Drawing" .
INSPECTION AFTER INSTALLATION
Perform the “Throttle Valve Closed Position Learning” when harness connector of electric throttle control
actuator is disconnected. Refer to EC-806, "
Throttle Valve Closed Position Learning" .
Perform the “Idle Air Volume Learning” and “Throttle Valve Closed Position Learning” when electric throt-
tle control actuator is replaced. Refer to EC-807, "
Idle Air Volume Learning" . Limit : 0.1 mm (0.004 in)
PBIC0016E
: Engine front
M8 90 mm (3.54 in) : 7, 8
M8
35 mm (1.38 in) Except the above
PBIC3298E
: Engine front
PBIC3297E

EXHAUST MANIFOLD AND THREE WAY CATALYST
EM-183
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Revision: 2006 January2006 M35/M45
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

EM-190
[VK45DE]
IGNITION COIL
Revision: 2006 January2006 M35/M45
IGNITION COILPFP:22448
ComponentsNBS004OZ
Removal and InstallationNBS004P0
REMOVAL
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. Disconnect harness connector from ignition coil.
5. Remove ignition coil.
CAUTION:
Do not shock it.
INSTALLATION
Installation is the reverse order of removal.
1. Ignition coil 2. Spark plug
PBIC1589E