pressure INFINITI M35 2006 Factory Service Manual

SERVICE DATA AND SPECIFICATIONS (SDS)
LU-21
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Revision: 2006 January2006 M35/M45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Standard and LimitNBS004Q6
ENGINE OIL PRESSURE
*: Engine oil temperature at 80C (176F)
ENGINE OIL CAPACITY (APPROXIMATE)
Unit: (US qt, lmp qt)
OIL PUMP
Unit: mm (in)
REGULATOR VALVE
Unit: mm (in) Engine speed (rpm)
Approximate discharge pressure* [kPa (kg/cm
2 , psi)]
Idle speed More than 98 (1.0, 14)
2,000 More than 294 (3.0, 43)
Drain and refill With oil filter change 4.7 (5, 4-1/8)
Without oil filter change 4.4 (4-5/8, 3-7/8)
Dry engine (Overhaul)5.4 (5-3/4, 4-3/4)
Oil pump body to oil pump outer rotor radial clearance 0.114 - 0.260 (0.0045 - 0.0102)
Oil pump inner rotor to oil pump outer rotor tip clearance Below 0.180 (0.0071)
Oil pump body to oil pump inner rotor axial clearance 0.030 - 0.070 (0.0012 - 0.0028)
Oil pump body to oil pump outer rotor axial clearance 0.050 - 0.110 (0.0020 - 0.0043)
Oil pump inner rotor to brazed portion of housing clearance 0.045 - 0.091 (0.0018 - 0.0036)
Regulator valve to oil pump cover clearance 0.040 - 0.097 (0.0016 - 0.0038)

PREPARATION
LU-23
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Revision: 2006 January2006 M35/M45
PREPARATIONPFP:00002
Special Service ToolsNBS004Q8
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service ToolsNBS004Q9
Tool number
(Kent-Moore No.)
To o l n a m eDescription
ST25051001
(J25695-1)
Oil pressure gaugeMeasuring oil pressure
Maximum measuring range:
2,452 kPa (25 kg/cm
2 , 356 psi)
ST25052000
(J25695-2)
HoseAdapting oil pressure gauge to cylinder block
KV10115801
(J38956)
Oil filter wrenchRemoving and installing oil filter
a: 64.3 (2.531 in)
WS39930000
(—)
Tube presserPressing the tube of liquid gasket
S-NT050
S-NT559
S-NT375
S-NT052
To o l n a m eDescription
Power toolLoosening nuts and bolts
Deep socketRemoving and installing oil pressure switch
a: 26 mm (1.02 in)
PBIC0190E
PBIC2072E

LU-26
[VK45DE]
ENGINE OIL
Revision: 2006 January2006 M35/M45
ENGINE OILPFP:KLA92
InspectionNBS004QC
ENGINE OIL LEVEL
NOTE:
Before starting engine, put vehicle horizontally and check the engine oil level. If engine is already started, stop
it and allow 15 minutes before checking.
1. Pull out oil level gauge and wipe it clean.
2. Insert oil level gauge and make sure the engine oil level is within
the range shown in the figure.
3. If it is out of range, adjust it.
ENGINE OIL APPEARANCE
Check engine oil for white turbidity or heavy contamination.
If engine oil becomes turbid and white, it is highly probable that it is contaminated with engine coolant.
Repair or replace damaged parts.
ENGINE OIL LEAKAGE
Check for oil leakage around the following area.
Oil pan
Oil pan drain plug
Oil pressure switch
Oil filter
Intake valve timing control cover
Intake valve timing control solenoid valve
Front cover
Chain tensioner cover
Mating surface between cylinder block and cylinder head
Mating surface between cylinder head and rocker cover
Crankshaft oil seals (front and rear)
OIL PRESSURE CHECK
WAR NING :
Be careful not to burn yourself, as engine oil may be hot.
Oil pressure check should be done in “Parking position”.
1. Check the engine oil level. Refer to LU-26, "
ENGINE OIL LEVEL" .
2. Remove front engine undercover with power tool.
3. Disconnect harness connector at oil pressure switch, and
remove oil pressure switch using deep socket (commercial ser-
vice tool).
CAUTION:
Do not drop or shock oil pressure switch.
PBIC0801E
PBIC1524E

ENGINE OIL
LU-27
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Revision: 2006 January2006 M35/M45
4. Install oil pressure gauge and hose (SST).
5. Start engine and warm it up to normal operating temperature.
6. Check the engine oil pressure with engine running under no-load.
NOTE:
When engine oil temperature is low, engine oil pressure becomes high.
Engine oil pressure [Engine oil temperature at 80
C (176F)]
If difference is extreme, check oil passage and oil pump for oil leaks.
7. After the inspections, install oil pressure switch as follows:
a. Remove old liquid gasket adhering to oil pressure switch and engine.
b. Apply liquid gasket and tighten oil pressure switch to the specification.
Use Genuine RTV Silicone Sealant or equivalent. Refer to GI-48, "
RECOMMENDED CHEMICAL
PRODUCTS AND SEALANTS" .
c. After warming up engine, make sure there is no leakage of engine oil with running engine.
SLC926
Engine speed
rpm Approximate discharge pressure
kPa (kg/cm2 , psi)
Idle speed More than 98 (1.0, 14)
2,000 More than 294 (3.0, 43)
: 14.8 Nꞏm (1.5 kg-m, 11 ft-lb)

SERVICE DATA AND SPECIFICATIONS (SDS)
LU-33
[VK45DE]
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Revision: 2006 January2006 M35/M45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Standard and LimitNBS004QI
ENGINE OIL PRESSURE
*: Engine oil temperature at 80C (176F)
ENGINE OIL CAPACITY (APPROXIMATE)
Unit: (US qt, Imp qt)
OIL PUMP
Unit: mm (in)
REGULATOR VALVE
Unit: mm (in) Engine speed (rpm)
Approximate discharge oil pressure* [kPa (kg/cm
2 , psi)]
Idle speed More than 98 (1.0, 14)
2,000 More than 294 (3.0, 43)
Drain and refillWith oil filter change 5.5 (5-3/4, 4-7/8)
Without oil filter change 4.9 (5-1/8, 4-1/4)
Dry engine (engine overhaul) 6.7 (7-1/8, 5-7/8)
Oil pump body to oil pump outer rotor radial clearance 0.114 - 0.200 (0.0045 - 0.0079)
Oil pump inner rotor to oil pump outer rotor tip clearance Below 0.180 (0.0071)
Oil pump body to oil pump inner rotor axial clearance 0.030 - 0.070 (0.0012 - 0.0028)
Oil pump body to oil pump outer rotor axial clearance 0.030 - 0.090 (0.0012 - 0.0035)
Oil pump inner rotor to oil pump body clearance 0.045 - 0.091 (0.0018 - 0.0036)
Regulator valve to oil pump body clearance 0.040 - 0.097 (0.0016 - 0.0038)

GENERAL MAINTENANCE
MA-5
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Revision: 2006 January2006 M35/M45
OUTSIDE THE VEHICLE
The maintenance items listed here should be performed from time to time, unless otherwise specified.
INSIDE THE VEHICLE
The maintenance items listed here should be checked on a regular basis, such as when performing periodic maintenance, cleaning the
vehicle, etc.ItemReference page
TiresCheck the pressure with a gauge, including the spare, at least once a month
and always prior to a long distance trips. Adjust to the specified pressure if
necessary. Check carefully for damage, cuts or excessive wear.—
Wheel nutsWhen checking the tires, make sure no nuts are missing, and check for any
loose nuts. Tighten if necessary.—
WindshieldClean the windshield on a regular basis. Check the windshield at least every
six months for cracks or other damage. Repair as necessary.—
Tire rotationTires should be rotated every 12,000 km (7,500 miles).MA-35
Wheel alignment and
balanceIf the vehicle pulls to either side while driving on a straight and level road, or if
you detect uneven or abnormal tire wear, there may be a need for wheel align-
ment. If the steering wheel or seat vibrates at normal highway speeds, wheel
balancing may be needed.MA-33,
FSU-6
(2WD),
FSU-23
(AWD)
Windshield wiper
bladesCheck for cracks or wear if they do not wipe properly. —
Doors and engine
hoodCheck that all doors and the engine hood operate smoothly as well as the
trunk lid. Also make sure that all latches lock securely. Lubricate if necessary.
Make sure that the secondary latch keeps the hood from opening when the pri-
mary latch is released.
When driving in areas using road salt or other corrosive materials, check lubri-
cation frequently.MA-38
LampsMake sure that the headlamps, stop lamps, tail lamps, turn signal lamps, and
other lamps are all operating properly and installed securely. Also check head-
lamp aim. Clean the headlamps on a regular basis. —
ItemReference page
Warning lamps and
chimesMake sure that all warning lamps and chimes are operating properly. —
Windshield wiper and
washerCheck that the wipers and washer operate properly and that the wipers do not
streak.—
Windshield defrosterCheck that the air comes out of the defroster outlets properly and in sufficient
quantity when operating the heater or air conditioner.—
Steering wheelCheck that it has the specified play. Be sure to check for changes in the steer-
ing condition, such as excessive play, hard steering or strange noises.
Free play: Less than 35 mm (1.38 in)—
SeatsCheck seat position controls such as seat adjusters, seatback recliner, etc. to
make sure they operate smoothly and that all latches lock securely in every
position. Check that the head restrains move up and down smoothly and that
the locks (if equipped) hold securely in all latched positions. Check that the
latches lock securely for folding-down rear seatbacks.—
Seat beltsCheck that all parts of the seat belt system (e.g. buckles, anchors, adjusters
and retractors) operate properly and smoothly, and are installed securely.
Check the belt webbing for cuts, fraying, wear or damage.MA-39
Accelerator pedalCheck the pedal for smooth operation and make sure the pedal does not catch
or require uneven effort. Keep the floor mats away from the pedal.—
BrakesCheck that the brake does not pull the vehicle to one side when applied. —
Brake pedal and
boosterCheck the pedal for smooth operation and make sure it has the proper dis-
tance under it when depressed fully. Check the brake booster function. Be
sure to keep the floor mats away from the pedal.BR-6
, BR-18

ENGINE MAINTENANCE (VQ35DE ENGINE)
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Revision: 2006 January2006 M35/M45
ALTERNATOR AND POWER STEERING OIL PUMP BELT
1. Remove front engine undercover with power tool.
2. Loosen idler pulley lock nut (A) and adjust tension by turning
adjusting bolt (B).
For the specified belt tension, refer to EM-15, "Checking Drive
Belts" .
3. Tighten nut (A).
A/C COMPRESSOR BELT
1. Remove front engine undercover with power tool.
2. Loosen idler pulley lock nut (C) and adjust tension by turning adjusting bolt (D).
For the specified belt tension, refer to EM-15, "Checking Drive Belts" .
3. Tighten nut (C).
Changing Engine CoolantNLS0007J
WAR NING :
To avoid being scalded, do not change engine coolant when the engine is hot.
Wrap a thick cloth around radiator cap and carefully remove radiator cap. First, turn radiator cap a
quarter of a turn to release built-up pressure. Then turn radiator cap all the way.
Be careful not to allow engine coolant to contact drive belts.
DRAINING ENGINE COOLANT
1. Remove engine room cover (RH and LH). Refer to EM-14, "ENGINE ROOM COVER" .
2. Remove air duct (inlet). Refer to EM-17, "
AIR CLEANER AND AIR DUCT" .
3. Open radiator drain plug at the bottom of radiator, and then remove radiator cap. : 34.8 Nꞏm (3.5 kg-m, 26 ft-lb)
SBIA0532E
: 34.8 Nꞏm (3.5 kg-m, 26 ft-lb)
1 : Radiator drain plug hole
2 : Front engine under cover
: Engine front
PBIC3395E

ENGINE MAINTENANCE (VQ35DE ENGINE)
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Revision: 2006 January2006 M35/M45
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
CAUTION:
Do not drop or shock spark plug.
Do not use a wire brush for cleaning.
If plug tip is covered with carbon, spark plug cleaner may
be used.
Checking and adjusting plug gap is not required between
change intervals.
INSTALLATION
Install in the reverse order of removal.
Checking EVAP Vapor LinesNLS0007P
1. Visually inspect EVAP vapor lines for improper attachment and for cracks, damage, loose connections,
chafing and deterioration.
2. Inspect fuel tank filler cap vacuum relief valve for clogging, sticking, etc.
Refer to EC-39, "
EVAPORATIVE EMISSION SYSTEM" .
MakeNGK
Standard typePLFR5A-11
Hot typePLFR4A-11
Cold typePLFR6A-11
Gap (Nominal) : 1.1 mm (0.043 in)
Cleaner air pressure:
Less than 588 kPa (6 kg/cm
2 , 85 psi)
Cleaning time:
Less than 20 seconds
SMA773C
SMA806CA
: 24.5 Nꞏm (2.5 kg-m, 18 ft-lb)

MA-22
ENGINE MAINTENANCE (VK45DE ENGINE)
Revision: 2006 January2006 M35/M45
ENGINE MAINTENANCE (VK45DE ENGINE)PFP:10001
Checking Drive BeltsNLS0007Q
WAR NING :
Be sure to perform when the engine is stopped.
Remove air duct (inlet) when inspecting drive belt for alternator, water pump and A/C compressor.
Remove front engine undercover with power tool when inspecting power steering oil pump belt.
Make sure that indicator (single line notch) of each auto tensioner is within the allowable working range
(between three line notches).
NOTE:
Check auto tensioner indication when engine is cold.
When new drive belt is installed, the range should be “A”.
The indicator notch is located on the moving side of the tensioner for alternator, water pump and A/C
compressor belt, while it is found on the fixed side for power steering oil pump belt.
Visually check entire belt for wear, damage or cracks.
If the indicator is out of allowable working range or belt is damaged, replace belt.
Te n s i o n A d j u s t m e n tNLS0007R
Belt tensioning is not necessary, as it is automatically adjusted by auto tensioner.
Changing Engine CoolantNLS0007S
WAR NING :
To avoid being scalded, do not change engine coolant when engine is hot.
Wrap a thick cloth around radiator cap and carefully remove radiator cap. First, turn radiator cap a
quarter of a turn to release built-up pressure. Then turn radiator cap all the way.
Be careful not to allow engine coolant to contact drive belts.
DRAINING ENGINE COOLANT
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. Open radiator drain plug at the bottom of radiator, and then remove radiator cap.
PBIC3822E

MA-28
ENGINE MAINTENANCE (VK45DE ENGINE)
Revision: 2006 January2006 M35/M45
Do not use wire brush for cleaning.
If plug tip is covered with carbon, spark plug cleaner may
be used.
Checking and adjusting plug gap is not required between
change intervals.
INSTALLATION
Install in the reverse order of removal.
Checking EVAP Vapor LinesNLS0007Y
1. Visually inspect EVAP vapor lines for improper attachment and for cracks, damage, loose connections,
chafing and deterioration.
2. Inspect fuel tank filler cap vacuum relief valve for clogging, sticking, etc.
Refer to EC-749, "
EVAPORATIVE EMISSION SYSTEM" . Cleaner air pressure:
Less than 588 kPa (6 kg/cm
2 , 85 psi)
Cleaning time:
Less than 20 seconds
SMA773C
SMA806CA
Spark plug:
: 24.6 Nꞏm (2.5 kg-m, 18 ft-lb)