Oil INFINITI M35 2006 Factory Service Manual

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Revision: 2006 January2006 M35/M45 ANCE ................................................................146
MAIN BEARING OIL CLEARANCE ..................147
MAIN BEARING CRUSH HEIGHT ....................148
CONNECTING ROD BEARING CRUSH
HEIGHT .............................................................148
MAIN BEARING CAP BOLT OUTER DIAMETER .148
CONNECTING ROD BOLT OUTER DIAMETER .149
DRIVE PLATE ...................................................149
OIL JET .............................................................149
OIL JET RELIEF VALVE ...................................149
SERVICE DATA AND SPECIFICATIONS (SDS) ....150
Standard and Limit ...............................................150
GENERAL SPECIFICATIONS ..........................150
DRIVE BELT .....................................................151
INTAKE MANIFOLD COLLECTOR, INTAKE
MANIFOLD AND EXHAUST MANIFOLD .........151
SPARK PLUG ...................................................151
CAMSHAFT AND CAMSHAFT BEARING ........152
CYLINDER HEAD .............................................154
CYLINDER BLOCK ...........................................157
PISTON, PISTON RING AND PISTON PIN ......158
CONNECTING ROD .........................................159
CRANKSHAFT ..................................................160
MAIN BEARING ................................................161
CONNECTING ROD BEARING ........................162
VK45DE
PRECAUTIONS ......................................................163
Precautions for Procedures without Cowl Top Cover .163
Precautions Necessary for Steering Wheel Rotation
After Battery Disconnect ......................................163
OPERATION PROCEDURE .............................163
Precautions for Drain Engine Coolant and Engine
Oil .........................................................................163
Precautions for Disconnecting Fuel Piping ..........163
Precautions for Removal and Disassembly .........163
Precautions for Inspection, Repair and Replace-
ment .....................................................................164
Precautions for Assembly and Installation ...........164
Parts Requiring Angle Tightening .........................164
Precautions for Liquid Gasket ..............................164
REMOVAL OF LIQUID GASKET SEALING ......164
LIQUID GASKET APPLICATION PROCEDURE .165
PREPARATION .......................................................166
Special Service Tools ...........................................166
Commercial Service Tools ....................................169
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ............................................171
NVH Troubleshooting — Engine Noise ................171
Use the Chart Below to Help You Find the Cause
of the Symptom. ...................................................172
ENGINE ROOM COVER ........................................173
Components .........................................................173
Removal and Installation ......................................173
REMOVAL ........................................................
.173
INSTALLATION .................................................173DRIVE BELTS .........................................................174
Components .........................................................174
Checking Drive Belts ............................................174
Tension Adjustment .............................................
.174
Removal and Installation ......................................174
REMOVAL ........................................................
.174
INSTALLATION .................................................175
Components .........................................................176
Drive Belt Auto Tensioner and Idler Pulley ...........176
REMOVAL ........................................................
.176
INSTALLATION .................................................176
AIR CLEANER AND AIR DUCT .............................177
Components .........................................................177
Removal and Installation ......................................177
REMOVAL ........................................................
.177
INSPECTION AFTER REMOVAL .....................178
INSTALLATION .................................................178
Changing Air Cleaner Filter ..................................178
REMOVAL ........................................................
.178
INSTALLATION .................................................178
INTAKE MANIFOLD ..............................................
.179
Components .........................................................179
Removal and Installation ......................................180
REMOVAL ........................................................
.180
INSPECTION AFTER REMOVAL .....................182
INSTALLATION .................................................182
INSPECTION AFTER INSTALLATION ..............182
EXHAUST MANIFOLD AND THREE WAY CATA-
LYST ........................................................................183
Components .........................................................183
Removal and Installation ......................................183
REMOVAL ........................................................
.183
INSPECTION AFTER REMOVAL .....................185
INSTALLATION .................................................185
OIL PAN AND OIL STRAINER ...............................187
Components .........................................................187
Removal and Installation ......................................187
REMOVAL ........................................................
.187
INSPECTION AFTER REMOVAL .....................188
INSTALLATION .................................................188
INSPECTION AFTER INSTALLATION ..............189
IGNITION COIL .......................................................190
Components .........................................................190
Removal and Installation ......................................190
REMOVAL ........................................................
.190
INSTALLATION .................................................190
SPARK PLUG (PLATINUM-TIPPED TYPE) ...........191
Components .........................................................191
Removal and Installation ......................................191
REMOVAL ........................................................
.191
INSPECTION AFTER REMOVAL .....................191
INSTALLATION .................................................192
FUEL INJECTOR AND FUEL TUBE ......................193
Components .........................................................193
Removal and Installation ......................................193
REMOVAL ........................................................
.193
INSTALLATION .................................................195
INSPECTION AFTER INSTALLATION ..............197

EM-4Revision: 2006 January2006 M35/M45 ROCKER COVER ...................................................199
Components .........................................................199
Removal and Installation ......................................199
REMOVAL ........................................................
.199
INSTALLATION ..................................................201
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
INSPECTION AFTER INSTALLATION ..............222
Valve Clearance ....................................................222
INSPECTION .....................................................222
ADJUSTMENT ..................................................225
OIL SEAL ................................................................229
Removal and Installation of Valve Oil Seal ...........229
REMOVAL ........................................................
.229
INSTALLATION ..................................................229
Removal and Installation of Front Oil Seal ...........230
REMOVAL ........................................................
.230
INSTALLATION ..................................................230
Removal and Installation of Rear Oil Seal ............231
REMOVAL ........................................................
.231
INSTALLATION ..................................................231
CYLINDER HEAD .................................................. .233
On-Vehicle Service ...............................................233
CHECKING COMPRESSION PRESSURE .......233
Components .........................................................234
Removal and Installation ......................................234
REMOVAL ........................................................
.234
INSPECTION AFTER REMOVAL ......................235
INSTALLATION ..................................................235
Disassembly and Assembly ..................................237
COMPONENTS .................................................237
DISASSEMBLY .................................................237
ASSEMBLY ......................................................
.238
Inspection after Disassembly ................................239
VALVE DIMENSIONS ........................................239
VALVE GUIDE CLEARANCE ............................240
VALVE GUIDE REPLACEMENT .......................240
VALVE SEAT CONTACT ...................................242
VALVE SEAT REPLACEMENT .........................242
VALVE SPRING SQUARENESS .......................243
VALVE SPRING DIMENSIONS AND VALVE
SPRING PRESSURE LOAD .............................243ENGINE ASSEMBLY ...............................................244
Components ..........................................................244
Removal and Installation .......................................244
REMOVAL ..........................................................245
INSTALLATION ..................................................247
INSPECTION AFTER INSTALLATION ..............247
CYLINDER BLOCK .................................................249
Components ..........................................................249
Disassembly and Assembly ..................................250
DISASSEMBLY ..................................................250
ASSEMBLY ........................................................254
How to Select Piston and Bearing ........................259
DESCRIPTION ..................................................259
HOW TO SELECT PISTON ...............................260
HOW TO SELECT CONNECTING ROD BEAR-
ING .....................................................................261
HOW TO SELECT MAIN BEARING ..................262
Inspection after Disassembly ................................266
CRANKSHAFT END PLAY ................................266
CONNECTING ROD SIDE CLEARANCE .........266
PISTON TO PISTON PIN OIL CLEARANCE .....266
PISTON RING SIDE CLEARANCE ...................267
PISTON RING END GAP ..................................267
CONNECTING ROD BEND AND TORSION .....268
CONNECTING ROD BIG END DIAMETER ......268
CONNECTING ROD BUSHING OIL CLEAR-
ANCE .................................................................268
CYLINDER BLOCK DISTORTION ....................269
MAIN BEARING HOUSING INNER DIAMETER .270
PISTON TO CYLINDER BORE CLEARANCE ..270
CRANKSHAFT MAIN JOURNAL DIAMETER ...271
CRANKSHAFT PIN JOURNAL DIAMETER ......272
CRANKSHAFT OUT-OF-ROUND AND TAPER .272
CRANKSHAFT RUNOUT ..................................272
CONNECTING ROD BEARING OIL CLEAR-
ANCE .................................................................273
MAIN BEARING OIL CLEARANCE ...................274
CRUSH HEIGHT OF MAIN BEARING ..............275
CRUSH HEIGHT OF CONNECTING ROD
BEARING ...........................................................275
DRIVE PLATE ....................................................275
SERVICE DATA AND SPECIFICATIONS (SDS) ....276
Standard and Limit ................................................276
GENERAL SPECIFICATIONS ...........................276
DRIVE BELTS ....................................................276
INTAKE MANIFOLD AND EXHAUST MANI-
FOLD .................................................................276
SPARK PLUG ....................................................277
CAMSHAFT AND CAMSHAFT BEARING .........277
CYLINDER HEAD ..............................................279
CYLINDER BLOCK ............................................282
PISTON, PISTON RING AND PISTON PIN ......283
CONNECTING ROD ..........................................284
CRANKSHAFT ...................................................285
MAIN BEARING .................................................287
CONNECTING ROD BEARING .........................288

PRECAUTIONS
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Revision: 2006 January2006 M35/M45
[VQ35DE]PRECAUTIONSPFP:00001
Precautions for Procedures without Cowl Top CoverNBS004MF
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 DisconnectNBS005RR
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 OilNBS004MH
Drain engine coolant and engine oil when the engine is cooled.
Precautions for Disconnecting Fuel PipingNBS004MI
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 DisassemblyNBS004MJ
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.
PIIB3706J

EM-6
[VQ35DE]
PRECAUTIONS
Revision: 2006 January2006 M35/M45
Dowel pins are used for several parts alignment. When replacing and reassembling parts with dowel pins,
make sure that dowel pins are installed in the original position.
Cover openings of engine system with a tape or equivalent, if necessary, to seal out foreign materials.
Mark and arrange disassembly parts in an organized way for easy troubleshooting and re-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 in the step.
Precautions for Inspection, Repair and ReplacementNBS004MK
Before repairing or replacing, thoroughly inspect parts. Inspect new replacement parts in the same way, and
replace if necessary.
Precautions for Assembly and InstallationNBS004ML
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.
Dowel pins are used for several parts alignment.When replacing and reassembling parts with dowel
pins,make sure that dowel pins are installed in the original position.
Thoroughly wash, clean, and air-blow each part. Carefully check engine oil or engine coolant passages for
any restriction and blockage.
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 the engine and increase engine speed to check engine coolant, fuel, engine oil, and
exhaust gases for leakage.
Precautions for Angle TighteningNBS004MM
Use the 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 bolts
–Crankshaft pulley bolt
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 GasketNBS004MN
REMOVAL OF LIQUID GASKET SEALING
After removing mounting nuts and bolts, separate the mating
surface using the seal cutter (SST) and remove old liquid gasket
sealing.
CAUTION:
Be careful not to damage the mating surfaces.
Tap the seal cutter to insert it (1), and then slide it (2) by tapping
on the side as shown in the figure.
In areas where the seal cutter (SST) is difficult to use, use a
plastic hammer to lightly tap the parts, to remove it.
CAUTION:
If for some unavoidable reason tool such as a 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 a 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 the 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 liquid gasket application, apply liquid
gasket to the groove.
As for 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 or nuts after the installation.
After 30 minutes or more have passed from the installation, fill
engine oil and engine coolant.
CAUTION:
If there are specific instructions in this manual, observe
them.
PBIC0003E
EMA0622D
SEM159F

EM-8
[VQ35DE]
PREPARATION
Revision: 2006 January2006 M35/M45
PREPARATIONPFP:00002
Special Service ToolsNBS004MO
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool nameDescription
KV10116200
(J26336-A)
Valve spring compressor
1. KV10115900
(J26336-20)
Attachment
2.KV10109220
(—)
AdapterDisassembling valve mechanism
Part (1) is a component of KV10116200
(J26336-A), but Part (2) is not so.
KV10107902
(J38959)
Valve oil seal pullerReplacing 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
(J8037)
Piston ring compressorInstalling piston assembly into cylinder bore
ST16610001
(J23907)
Pilot bushing pullerRemoving pilot converter
KV10111100
(J37228)
Seal cutterRemoving oil pan (lower and upper), front
and rear timing chain case, etc.
PBIC1650E
NT011
S-NT603
NT044
NT045
NT046

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
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Revision: 2006 January2006 M35/M45
Use the Chart Below to Help You Find the Cause of the Symptom.NBS004MR
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 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
clickingCA—AB—Tappet
noiseValve clearanceEM-93
Rattle C A — A B CCamshaft
bearing
noiseCamshaft runout
Camshaft journal oil
clearanceEM-86EM-86
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-140
EM-142
Slap or
rapA——BBAPiston
slap noisePiston to cylinder bore
clearance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend
and torsionEM-144EM-141
EM-141
EM-142
Knock ABCBBBConnect-
ing rod
bearing
noiseConnecting rod bush-
ing oil clearance
Connecting rod bear-
ing oil clearance EM-142EM-146
Knock A B — A B CMain
bearing
noiseMain bearing oil clear-
ance
Crankshaft runoutEM-147
EM-146
Front of
engine
Timin g
chain
caseTapping or
tickingAA—BBBTimin g
chain and
timing
chain ten-
sioner
noiseTiming chain cracks
and wear
Timing chain tensioner
operationEM-72
EM-64
Front of
engineSqueak-
ing or fizz-
ingAB—B—CDrive belts
(Sticking
or slip-
ping)Drive belts deflection
EM-15
CreakingABABABDrive belts
(Slipping)Idler pulley bearing
operation
Squall
CreakAB—BABWater
pump
noiseWater pump operationCO-24,
"WATER
PUMP"

DRIVE BELTS
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Revision: 2006 January2006 M35/M45
DRIVE BELTSPFP:02117
Checking Drive BeltsNBS004MU
WAR NING :
Be sure to perform when engine is stopped.
1. Inspect belts for cracks, fraying, wear and oil. If necessary, replace.
2. Inspect drive belt deflection or tension at a point on belt midway
between pulleys.
Inspection should be done only when engine is cold, or over
30 minutes after engine is stopped.
Measure the belt tension with belt tension gauge (Commercial
service tool: BT3373-F or equivalent) at points marked
shown in the figure.
When measuring the deflection, apply 98 N (10 kg, 22 lb) at
the marked point.
Adjust if the belt deflection exceeds the limit or if the belt ten-
sion is not within specifications.
CAUTION:
When checking the belt deflection or the tension immediately after installation, first adjust it to
the specified value. Then, after turning crankshaft two turns or more, re-adjust to the specified
value to avoid variation in deflection between pulleys.
Tighten idler pulley lock nut by hand and measure the deflection or the tension without loose-
ness.
Belt Deflection and Tension
*: If belt tension gauge cannot be installed at check points shown, check drive belt tension at different location on belt.
Tension AdjustmentNBS004MV
CAUTION:
When belt is replaced with a new one, adjust it to value for “New belt” to accommodate for insuffi-
cient adaptability with pulley grooves.
When deflection or tension of belt being used exceeds “Limit”, adjust it to value for “After adjust-
ment”.
When checking belt deflection or tension immediately after installation, first adjust it to the speci-
fied value. Then, after turning crankshaft two turns or more, re-adjust to the specified value to
avoid variation in deflection between pulleys.
When installing belt, make sure that it is correctly engaged with pulley grooves.
Keep engine oil, working fluid and engine coolant away from belt and pulley grooves.
Do not twist or bend belt excessively.
KBIA1731J
ItemsDeflection 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) —
PortionBelt tightening method for adjustment
Alternator and power steering oil pump belt Adjusting bolt on idler pulley
A/C compressor belt Adjusting bolt on idler pulley

EM-16
[VQ35DE]
DRIVE BELTS
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).
Removal and InstallationNBS004MW
REMOVAL
1. Remove front engine undercover with power tool.
2. Remove alternator and power steering oil pump belt. Refer to EM-16, "
ALTERNATOR AND POWER
STEERING OIL PUMP BELT" .
3. Remove A/C compressor belt. Refer to EM-16, "
A/C COMPRESSOR BELT" .
CAUTION:
Grease is applied to idler pulley adjusting bolt. Be careful to keep grease away from belt.
INSTALLATION
1. Install belts to pulley in reverse order of removal.
CAUTION:
Make sure drive belt is correctly engaged with pulley groove.
Make sure that for engine oil and engine coolant do not adhere to belt and each pulley grooves.
2. Adjust belt tension. Refer to EM-15, "
Tension Adjustment" .
3. Tighten each adjusting bolt and nut to the specified torque.
4. Make sure that tension of each belt is within the standard. Refer to EM-15, "
Checking Drive Belts" . : 34.8 Nꞏm (3.5 kg-m, 26 ft-lb)
SBIA0532E
: 34.8 Nꞏm (3.5 kg-m, 26 ft-lb)

OIL PAN AND OIL STRAINER
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OIL PAN AND OIL STRAINERP F P : 1111 0
Components (2WD Models)NBS004N6
Removal and Installation (2WD Models)NBS004N7
REMOVAL
CAUTION:
To avoid the danger of being scalded, never drain engine oil when the engine is hot.
NOTE:
When removing oil pan (lower) only, steps 2 to 6 are not necessary. Perform step 22 after completing step 7.
1. Remove front and rear engine undercover with power tool.
2. Remove front tire.
1. Oil pan gasket (rear) 2. Oil pan (upper) 3. O-ring
4. Oil pan gasket (front) 5. Oil filter 6. Connector bolt
7. Oil cooler 8. O-ring 9. Relief valve
10. Oil pressure switch 11. Bracket 12. Oil strainer
13. Drain plug 14. Drain plug washer 15. Oil pan (lower)
16. Baffle plate 17. Rear plate cover 18. Crankshaft position sensor (POS)
19. Seal rubber 20. Rear cover plate
PBIC3877E