check oil INFINITI M35 2006 Factory Service Manual

EM-122
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ENGINE ASSEMBLY
Revision: 2006 January2006 M35/M45
When installing engine mounting bracket (RH and LH) on cylin-
der block, tighten two upper bolts (shown as “A” in the figure)
first. Then tighten two lower bolts (shown as “B” in the figure).
Install engine mounting bracket (RH) (lower) as follows:
–Temporarily tighten mounting bolts (shown as “C”, “D” and “E” in
the figure).
–Tighten mounting bolts to the specified torque with following
mounting surfaces touched.
• Engine mounting bracket (RH) to engine mounting bracket (RH)
(lower) (shown as “C” and “D” in figure).
• Front final drive to engine mounting bracket (RH) (lower) (shown
as “E” in figure).
Make sure all engine mounting insulators are seated properly,
then tighten mounting nuts.
INSPECTION AFTER INSTALLATION
Inspection for Leaks
The following are procedures for checking fluids leak, lubricates leak and exhaust gases leak.
Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to MA-12, "
RECOMMENDED FLUIDS AND LUBRICANTS" .
Use procedure below to check for fuel leakage.
–Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, check for fuel
leakage at connection points.
–Start engine. With engine speed increased, check again for fuel leakage at connection points.
Run engine to check for unusual noise and vibration.
Warm up engine thoroughly to make sure there is no leakage of fuel, exhaust gases, or any oil/fluids
including engine oil and engine coolant.
Bleed air from lines and hoses of applicable lines, such as in cooling system.
After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to the
specified level, if necessary.
Summary of the inspection items:
* Transmission/transaxle/CVT fluid, power steering fluid, brake fluid, etc.
PBIC3826E
Item Before starting engine Engine running After engine stopped
Engine coolant Level Leakage Level
Engine oil Level Leakage Level
Other oils and fluid* Level Leakage Level
Fuel Leakage Leakage Leakage
Exhaust gases — Leakage —

EM-126
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CYLINDER BLOCK
Revision: 2006 January2006 M35/M45
5. Drain engine coolant by removing water drain plugs from cylin-
der block both sides at “B” and “C” and cylinder block front side
at “A” as shown in the figure.
6. Remove the following parts:
Oil pans (lower and upper); Refer to EM-29, "OIL PAN AND OIL STRAINER" .
Front and rear timing chain case; Refer to EM-64, "TIMING CHAIN" .
Cylinder head; Refer to EM-101, "CYLINDER HEAD" .
7. Remove knock sensor.
CAUTION:
Carefully handle sensor avoiding shocks.
8. Remove pilot converter using the pilot bushing puller (SST) as
necessary.
9. Remove rear oil seal retainer.
Remove by inserting a screwdriver between main bearing cap and rear oil seal retainer.
CAUTION:
If rear oil seal retainer is removed, replace it with new one.
NOTE:
Regard both rear oil seal and retainer as an assembly.
10. Remove baffle plate from main bearing beam (2WD models).
11. Remove piston and connecting rod assembly with the following procedure:
Before removing piston and connecting rod assembly, check the connecting rod side clearance. Refer
to EM-140, "
CONNECTING ROD SIDE CLEARANCE" .
CAUTION:
Be careful not to drop connecting rod bearing, and to scratch the surface.
a. Position crankshaft pin corresponding to connecting rod to be removed onto the bottom dead center.
PBIC2610E
SEM005G

EM-130
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CYLINDER BLOCK
Revision: 2006 January2006 M35/M45
b. Install thrust bearings to the both sides of the No. 3 journal hous-
ing on cylinder block and main bearing cap.
Install thrust bearings with the oil groove facing crankshaft
arm (outside).
Install thrust bearing with a protrusion on one end on cylinder
block, and thrust bearing with a protrusion at center on main
bearing cap. Align each protrusion with mating notch.
c. Install main bearings paying attention to the direction.
Main bearing with oil hole and groove goes on cylinder block.
The one without them goes on main bearing cap.
Before installing main bearings, apply engine oil to the bear-
ing surface (inside). Do not apply engine oil to the back sur-
face, but thoroughly clean it.
When installing, align main bearing stopper protrusion to cut-
out of cylinder block and main bearing caps.
Ensure the oil holes on cylinder block and those on the corre-
sponding bearing are aligned.
5. Install crankshaft to cylinder block.
While turning crankshaft by hand, check that it turns smoothly.
6. Install main bearing cap.
Main bearing caps are identified by identification mark cast on
them. For installation, face front mark to front side.
NOTE:
Main bearing cap cannot be replaced as a single part, because it
is machined together with cylinder block.
7. Install main bearing beam.
Install main bearing beam with front mark facing downward
(oil pan side) and front mark facing front of the engine.
PBIC0807E
PBIC2489E
SEM456G
PBIC0881E

CYLINDER BLOCK
EM-131
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Revision: 2006 January2006 M35/M45
8. Install main bearing cap bolts in numerical order as shown in the
figure as follows:
a. Inspect the outer diameter of main bearing cap bolt. Refer to
EM-148, "
MAIN BEARING CAP BOLT OUTER DIAMETER" .
b. Apply new engine oil to threads and seat surfaces of main bear-
ing cap bolts.
c. Tighten main bearing cap bolts in several different steps.
d. Turn all main bearing cap bolts 90 degrees clockwise (Angle
tightening).
CAUTION:
Use the angle wrench [SST: KV10112100 (BT8653-A)] to
check tightening angle. Do not make judgment by visual
inspection.
After installing main bearing cap bolts, make sure that crank-
shaft can be rotated smoothly by hand.
Check the crankshaft end play. Refer to EM-140, "CRANK-
SHAFT END PLAY" .
9. Install piston to connecting rod as follows:
a. Using a snap ring pliers, install new snap ring to the groove of piston rear side.
Insert it fully into groove to install.
b. Install piston to connecting rod.
Using an industrial use drier or similar tool, heat piston until piston pin can be pushed in by hand without
excess force [approx. 60 to 70
C (140 to 158F)]. From the front to the rear, insert piston pin into piston
and connecting rod.
Assemble so that the front mark on the piston head and the
cylinder number on connecting rod are positioned as shown in
the figure.
c. Install new snap ring to the groove of the piston front side.
Insert it fully into groove to install.
After installing, make sure that connecting rod moves
smoothly.
10. Using a piston ring expander (commercial service tool), install
piston rings.
CAUTION:
When installing piston rings, be careful not to damage
piston.
Be careful not to damage piston rings by expending them
excessively.: 35.3 Nꞏm (3.6 kg-m, 26 ft-lb)
PBIC1800E
PBIC0921E
SEM838F
PBIC0087E

EM-132
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CYLINDER BLOCK
Revision: 2006 January2006 M35/M45
If there is stamped mark on ring, mount it with marked side
up.
NOTE:
If there is no stamp on ring, no specific orientation is required
for installation.
Position each ring with the gap as shown in the figure refer-
ring to the piston front mark.
Check the piston ring side clearance. Refer to EM-141, "PISTON RING SIDE CLEARANCE" .
11. Install connecting rod bearings to connecting rod and connecting rod bearing cap.
CAUTION:
Be careful not to drop connecting rod bearing, and to scratch the surface.
Before installing connecting rod bearings, apply engine oil to the bearing surface (inside). Do not apply
engine oil to the back surface, but thoroughly clean it.
When installing, align connecting rod bearing stopper protru-
sion with cutout of connecting rods and connecting rod bear-
ing caps to install.
Ensure the oil hole on connecting rod and that on the corre-
sponding bearing are aligned.
12. Install piston and connecting rod assembly to crankshaft.
Position crankshaft pin corresponding to connecting rod to be installed onto the bottom dead center.
Apply engine oil sufficiently to the cylinder bore, piston and crankshaft pin journal.
Match the cylinder position with the cylinder number on connecting rod to install.
Be sure that front mark on piston crown is facing front of engine.
Using a piston ring compressor (SST) or suitable tool, install
piston with the front mark on the piston crown facing the front
of the engine.
CAUTION:
Be careful not to damage the cylinder wall and crankshaft
pin, resulting from an interference of the connecting rod big
end.Stamped mark:
To p r i n g : —
Second ring : “R”
SEM757G
PBIC0808E
PBIC2067E
PBIC2945E

CYLINDER BLOCK
EM-133
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Revision: 2006 January2006 M35/M45
13. Install connecting rod bearing cap.
Match the stamped cylinder number marks on connecting rod
with those on connecting rod bearing cap to install.
Be sure that front mark on connecting rod bearing cap is fac-
ing front of the engine.
14. Tighten connecting rod bolt as follows:
a. Inspect the outer diameter of connecting rod bolt. Refer to EM-149, "
CONNECTING ROD BOLT OUTER
DIAMETER" .
b. Apply engine oil to the threads and seats of connecting rod bolts.
c. Tighten connecting rod bolts.
d. Then tighten all connecting rod bolts 90 degrees clockwise
(Angle tightening).
CAUTION:
Always use the angle wrench [SST: KV10112100 (BT8653-
A)]. Avoid tightening based on visual check alone.
After tightening connecting rod bolts, make sure that crank-
shaft rotates smoothly.
Check the connecting rod side clearance. Refer to EM-140,
"CONNECTING ROD SIDE CLEARANCE" .
15. Install baffle plate to main bearing beam (2WD models).
16. Install new rear oil seal retainer to cylinder block.
Apply new engine oil to both oil seal lip and dust seal lip.
Apply a continuous bead of liquid gasket with the tube presser
[SST: WS39930000 ( — )] to rear oil seal retainer as
shown in the figure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS" .
CAUTION:
Replace with a new parts.
Attaching should be done within 5 minutes after coating.
Make sure the garter spring is in position and seal lips
not inverted.
NOTE:
Regard both rear oil seal and retainer as an assembly.
PBIC0809E
: 19.6 Nꞏm (2.0 kg-m, 14 ft-lb)
SEM953E
PBIC2661E

EM-136
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CYLINDER BLOCK
Revision: 2006 January2006 M35/M45
Piston Selection Table
Unit: mm (in)
NOTE:
Piston is available together with piston pin as assembly.
Piston pin (piston pin hole) grade is provided only for the parts installed at the plant. For service parts, no
piston pin grades can be selected. (Only “0” grade is available.)
No second grade mark is available on piston.
HOW TO SELECT CONNECTING ROD BEARING
When New Connecting Rod and Crankshaft are Used
Check pin diameter grade (“0”, “1” or “2”) on front of crankshaft, and
select connecting rod bearing of the same grade.
NOTE:
There is no grading for connecting rod big end diameter.
When Crankshaft and Connecting Rod are Reused
1. Measure the connecting rod big end diameter. Refer to EM-142, "CONNECTING ROD BIG END DIAME-
TER" .
2. Make sure that the connecting rod big end diameter is within the standard value.
3. Measure the crankshaft pin journal diameter. Refer to EM-146, "
CRANKSHAFT PIN JOURNAL DIAME-
TER" .
4. Determine the grade of crankshaft pin diameter grade by corresponding to the measured dimension in
“Crankshaft pin journal diameter” column of “Connecting Rod Bearing Selection Table”.
5. Select connecting rod bearing of the same grade.
Connecting Rod Bearing Selection Table
Unit: mm (in)
Unit: mm (in)
Undersize Bearings Usage Guide
When the specified connecting rod bearing oil clearance is not obtained with standard size connecting rod
bearings, use undersize (US) bearings.
When using undersize (US) bearing, measure the connecting rod bearing inner diameter with bearing
installed, and grind crankshaft pin so that the connecting rod bearing oil clearance satisfies the standard.
Grade 1 2 (or no mark) 3
Cylinder bore inner diameter95.500 - 95.510
(3.7598 - 3.7602)95.510 - 95.520
(3.7602- 3.7606)95.520 - 95.530
(3.7606 - 3.7610)
Piston skirt diameter95.480 - 95.490
(3.7590 - 3.7594)95.490 - 95.500
(3.7594 - 3.7598)95.500 - 95.510
(3.7598 - 3.7602)
SEM452G
Connecting rod big end diameter 55.000 - 55.013 (2.1654 - 2.1659)
Crankshaft Connecting rod bearing
Crankshaft pin journal diameter Grade (Mark) Dimension (Bearing thickness range) Bearing grade No. Color
51.968 - 51.974 (2.0460 - 2.0462) 0 1.500 - 1.503 (0.0591 - 0.0592) STD 0 Black
51.962 - 51.968 (2.0457 - 2.0460) 1 1.503 - 1.506 (0.0592 - 0.0593) STD 1 Brown
51.956 - 51.962 (2.0455 - 2.0457) 2 1.506 - 1.509 (0.0593 - 0.0594) STD 2 Green

EM-142
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CYLINDER BLOCK
Revision: 2006 January2006 M35/M45
CONNECTING ROD BEND AND TORSION
Check with a connecting rod aligner.
If it exceeds the limit, replace connecting rod assembly.
CONNECTING ROD BIG END DIAMETER
Install connecting rod bearing cap without installing connecting
rod bearing, and tightening connecting rod bolts to the specified
torque. Refer to EM-128, "
ASSEMBLY" for the tightening proce-
dure.
Measure the inner diameter of connecting rod big end with an
inside micrometer.
If out of the standard, replace connecting rod assembly.
CONNECTING ROD BUSHING OIL CLEARANCE
Connecting Rod Bushing Inner Diameter
Measure the inner diameter of connecting rod bushing with an inside
micrometer.Bend:
Limit : 0.15 mm (0.0059 in) per 100 mm (3.94 in) length
To r s i o n :
Limit : 0.30 mm (0.012 in) per 100 mm (3.94 in) length
PBIC2077E
Standard : 55.000 - 55.013 mm (2.1654 - 2.1659 in)
PBIC1641E
Standard : 22.000 - 22.012 mm (0.8661 - 0.8666 in)
PBIC0120E

CYLINDER BLOCK
EM-149
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Revision: 2006 January2006 M35/M45
CONNECTING ROD BOLT OUTER DIAMETER
Measure the outer diameter “d” at position shown in the figure.
If the reduction appears in a position other than “d”, regard it as
“d”.
When “d” exceeds the limit (when it becomes thinner), replace
connecting rod bolt with new one.
DRIVE PLATE
Check drive plate and signal plate for deformation or damage.
CAUTION:
Do not disassemble drive plate.
Do not place drive plate with signal plate facing down.
When handling signal plate, take care not to damage or
scratch it.
Handle signal plate in a manner that prevents it from
becoming magnetized.
If anything is found, replace drive plate.
OIL JET
Check nozzle for deformation and damage.
Blow compressed air from nozzle, and check for clogs.
If it is not satisfied, clean or replace oil jet.
OIL JET RELIEF VALVE
Using a clean plastic stick, press check valve in oil jet relief
valve. Make sure that valve moves smoothly with proper reac-
tion force.
If it is not satisfied, replace oil jet relief valve.Standard : 7.90 - 8.00 mm (0.3110 - 0.3150 in)
Limit : 7.75 mm (0.3051 in)
PBIC0912E
SEM760G
EMU0468D

SERVICE DATA AND SPECIFICATIONS (SDS)
EM-151
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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)