2006 INFINITI M35 Oil

SERVICE DATA AND SPECIFICATIONS (SDS)
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Revision: 2006 January2006 M35/M45
MAIN BEARING
Undersize
Unit: mm (in)
Main Bearing Oil Clearance
Unit: mm (in)
*: Actual clearanceGrade number UPR/LWR Thickness mm (in) Width mm (in) Identification color Remarks
0 — 2.000 - 2.003 (0.0787 - 0.0789)
19.9 - 20.1
(0.783 - 0.791)Black
Grade is the same
for upper and lower
bearings. 1 — 2.003 - 2.006 (0.0789 - 0.0790) Brown
2 — 2.006 - 2.009 (0.0790 - 0.0791) Green
3 — 2.009 - 2.012 (0.0791 - 0.0792) Yellow
4 — 2.012 - 2.015 (0.0792 - 0.0793) Blue
5 — 2.015 - 2.018 (0.0793 - 0.0794) Pink
6 — 2.018 - 2.021 (0.0794 - 0.0796) Purple
7 — 2.021 - 2.024 (0.0796 - 0.0797) White
01UPR 2.003 - 2.006 (0.0789 - 0.0790) Brown
Grade and color are
different for upper
and lower bearings. LWR 2.000 - 2.003 (0.0787 - 0.0789) Black
12UPR 2.006 - 2.009 (0.0790 - 0.0791) Green
LWR 2.003 - 2.006 (0.0789 - 0.0790) Brown
23UPR 2.009 - 2.012 (0.0791 - 0.0792) Yellow
LWR 2.006 - 2.009 (0.0790 - 0.0791) Green
34UPR 2.012 - 2.015 (0.0792 - 0.0793) Blue
LWR 2.009 - 2.012 (0.0791 - 0.0792) Yellow
45UPR 2.015 - 2.018 (0.0793 - 0.0794) Pink
LWR 2.012 - 2.015 (0.0792 - 0.0793) Blue
56UPR 2.018 - 2.021 (0.0794 - 0.0796) Purple
LWR 2.015 - 2.018 (0.0793 - 0.0794) Pink
67UPR 2.021 - 2.024 (0.0796 - 0.0797) White
LWR 2.018 - 2.021 (0.0794 - 0.0796) Purple
SEM175F
Items Thickness Main journal diameter
0.25 (0.0098) 2.132 - 2.140 (0.0839 - 0.0843) Grind so that bearing clearance is the specified value.
Items Standard Limit
Main bearing oil clearance 0.035 - 0.045 (0.0014 - 0.0018)* 0.065 (0.0026)

EM-162
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SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: 2006 January2006 M35/M45
CONNECTING ROD BEARING
Undersize
Unit: mm (in)
Connecting Rod Bearing Oil Clearance
Unit: mm (in)
*: Actual clearanceGrade number Thickness mm (in) Identification color (mark)
0 1.500 - 1.503 (0.0591 - 0.0592) Black
1 1.503 - 1.506 (0.0592 - 0.0593) Brown
2 1.506 - 1.509 (0.0593 - 0.0594) Green
Items Thickness Crank pin journal diameter
0.25 (0.0098) 1.626 - 1.634 (0.0640 - 0.0643) Grind so that bearing clearance is the specified value.
Items Standard Limit
Connecting rod bearing oil clearance 0.034 - 0.059 (0.0013 - 0.0023)* 0.070 (0.0028)

PRECAUTIONS
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Revision: 2006 January2006 M35/M45
[VK45DE]PRECAUTIONSPFP:00001
Precautions for Procedures without Cowl Top CoverNBS004O5
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.
Precautions Necessary for Steering Wheel Rotation After Battery DisconnectNBS005RS
NOTE:
This Procedure is applied only to models with Intelligent Key system and NVIS/IVIS (NISSAN/INFINITI
VEHICLE IMMOBILIZER SYSTEM - NATS).
Remove and install all control units after disconnecting both battery cables with the ignition knob in the
LOCK position.
Always use CONSULT-II to perform self-diagnosis as a part of each function inspection after finishing
work. If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NVIS/IVIS, an electrically controlled steering lock
mechanism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the
ACC position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
5. When the repair work is completed, return the ignition switch to the
LOCK position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-II.
Precautions for Drain Engine Coolant and Engine OilNBS004O7
Drain engine coolant and engine oil when engine is cooled.
Precautions for Disconnecting Fuel PipingNBS004O8
Before starting work, make sure no fire or spark producing items are in the work area.
Release fuel pressure before disconnecting and disassembly.
After disconnecting pipes, plug openings to stop fuel leakage.
Precautions for Removal and DisassemblyNBS004O9
When instructed to use SST, use specified tools. Always be careful to work safely, avoid forceful or unin-
structed operations.
Exercise maximum care to avoid damage to mating or sliding surfaces.
Cover openings of engine system with tape or the equivalent, if necessary, to seal out foreign materials.
PIIB3706J

EM-164
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PRECAUTIONS
Revision: 2006 January2006 M35/M45
Mark and arrange disassembly parts in an organized way for easy troubleshooting and assembly.
When loosening nuts and bolts, as a basic rule, start with the one furthest outside, then the one diagonally
opposite, and so on. If the order of loosening is specified, do exactly as specified. Power tools may be
used where noted in the step.
Precautions for Inspection, Repair and ReplacementNBS004OA
Before repairing or replacing, thoroughly inspect parts. Inspect new replacement parts in the same way, and
replace if necessary.
Precautions for Assembly and InstallationNBS004OB
Use torque wrench to tighten bolts or nuts to specification.
When tightening nuts and bolts, as a basic rule, equally tighten in several different steps starting with the
ones in center, then ones on inside and outside diagonally in this order. If the order of tightening is speci-
fied, do exactly as specified.
Replace with new gasket, packing, oil seal or O-ring.
Thoroughly wash, clean, and air-blow each part. Carefully check engine oil or engine coolant passages for
any restriction and blockage.
Guide pins are used for several parts alignment. When replacing and reassembling parts with guide pins,
make sure that guide pins are installed in the original position.
Avoid damaging sliding or mating surfaces. Completely remove foreign materials such as cloth lint or dust.
Before assembly, oil sliding surfaces well.
Release air within route when refilling after draining engine coolant.
After repairing, start engine and increase engine speed to check engine coolant, fuel, engine oil, and
exhaust gases for leakage.
Parts Requiring Angle TighteningNBS004OC
Use angle wrench [SST: KV10112100 (BT8653-A)] for the final tightening of the following engine parts:
–Cylinder head bolts
–Main bearing cap bolts
–Connecting rod cap nuts
–Crankshaft pulley bolt (No angle wrench is required as the bolt flange is provided with notches for angle
tightening)
Do not use a torque value for final tightening.
The torque value for these parts are for a preliminary step.
Ensure thread and seat surfaces are clean and coated with engine oil.
Precautions for Liquid GasketNBS004OD
REMOVAL OF LIQUID GASKET SEALING
After removing mounting nuts and bolts, separate the mating
surface using seal cutter (SST) and remove old liquid gasket
sealing.
CAUTION:
Be careful not to damage the mating surfaces.
Tap seal cutter to insert it (1), and then slide it (2) by tapping on
the side as shown in the figure.
In areas where seal cutter (SST) is difficult to use, use plastic
hammer to lightly tap the parts, to remove it.
CAUTION:
If for some unavoidable reason tool such as screwdriver is
used, be careful not to damage the mating surfaces.
PBIC0002E

PRECAUTIONS
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Revision: 2006 January2006 M35/M45
LIQUID GASKET APPLICATION PROCEDURE
1. Using scraper, remove old liquid gasket adhering to the liquid
gasket application surface and the mating surface.
Remove liquid gasket completely from the groove of the liquid
gasket application surface, mounting bolts, and bolt holes.
2. Wipe the liquid gasket application surface and the mating sur-
face with white gasoline (lighting and heating use) to remove
adhering moisture, grease and foreign materials.
3. Attach liquid gasket tube to tube presser [SST: WS39930000
(—)].
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS" .
4. Apply liquid gasket without breaks to the specified location with
the specified dimensions.
If there is a groove for the liquid gasket application, apply liq-
uid gasket to the groove.
As for the bolt holes, normally apply liquid gasket inside the
holes. Occasionally, it should be applied outside the holes.
Make sure to read the text of this manual.
Within five minutes of liquid gasket application, install the mat-
ing component.
If liquid gasket protrudes, wipe it off immediately.
Do not retighten mounting bolts and nuts after the installation.
Wait 30 minutes or more after installation before refilling engine with engine oil and engine coolant.
CAUTION:
If there are specific instructions in this manual, observe them.
PBIC0003E
EMA0622D
SEM159F

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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

PREPARATION
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Revision: 2006 January2006 M35/M45KV10114700
(J–38139)
Main bearing cap removerRemoving crankshaft main bearing cap
KV10107902
(J–38959)
Valve oil seal pullerRemoving valve oil seal
KV10115600
(J–38958)
Valve oil seal driftInstalling 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
(J–8037)
Piston ring compressorInstalling piston assembly into cylinder bore
ST16610001
(J–23907)
Pilot bushing pullerRemoving crankshaft pilot converter
WS39930000
(—)
Tube presserPressing the tube of liquid gasket Tool number
(Kent-Moore No.)
To o l n a m eDescription
ZZA0023D
S-NT011
S-NT603
S-NT044
S-NT045
S-NT052

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NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: 2006 January2006 M35/M45
Use the Chart Below to Help You Find the Cause of the Symptom.NBS004OH
1. Locate the area where noise occurs.
2. Confirm the type of noise.
3. Specify the operating condition of engine.
4. Check specified noise source.
If necessary, repair or replace these parts.
A: Closely related B: Related C: Sometimes related —: Not relatedLocation
of noiseTy p e o f
noiseOperating condition of engine
Source of
noiseCheck itemRefer-
ence page Before
warm-
upAfter
warm-
upWhen
start-
ingWhen
idlingWhen
racingWhile
driving
Top of
engine
Rocker
cover
Cylinder
headTicking or
clickingC A — A B — Tappet noise Valve clearanceEM-222
Rattle C A — A B CCamshaft
bearing noiseCamshaft journal oil
clearance
Camshaft runoutEM-217EM-216
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 bush-
ing oil clearanceEM-266
EM-268
Slap or
rapA——B B APiston slap
noisePiston to cylinder bore
clearance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend
and torsionEM-270EM-267
EM-267
EM-268
Knock A B C B B BConnecting
rod bearing
noiseConnecting rod bush-
ing oil clearance
Connecting rod bear-
ing oil clearanceEM-268EM-273
Knock A B — A B CMain bearing
noiseMain bearing oil clear-
ance
Crankshaft runoutEM-274EM-272
Front of
engine
front coverTapping or
tickingAA—BBBTiming chain
and chain
tensioner
noiseTiming chain cracks
and wear
Timing chain tensioner
operationEM-208
EM-203
Front of
engineSqueak-
ing or fizz-
ingAB—B—CDrive belts
(Sticking or
slipping)Drive belts deflection
EM-174CreakingA BAB A BDrive belts
(Slipping)Idler pulley bearing
operation
Squall
CreakAB—BABWater pump
noiseWater pump operationCO-53,
"WATER
PUMP"