engine NISSAN NOTE 2016 Service Repair Manual

OIL SEALEM-73
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OIL SEAL
VALVE OIL SEAL
VALVE OIL SEAL : Removal and InstallationINFOID:0000000012431723
REMOVAL
1. Remove camshafts. Refer to
EM-60, "Removal and Installation".
2. Remove valve lifters. Refer to EM-60, "
Removal and Installation".
3. Rotate crankshaft, and set piston with valve oil seal to be removed to TDC. This will prevent the valve from dropping into cylinder.
CAUTION:
When rotating crankshaft, be careful to avoid scarring front cover with timing chain.
4. Remove valve collet, valve spring retainer, and valve spring using Tools.
CAUTION:
• Do not damage valve lifter holes.
• Install Tool (A) in the center of valve spring retainer topress it.
5. Remove valve spring retainer, valve spring and valve spring seat. Refer to EM-78, "
Disassembly and
Assembly".
6. Remove valve oil seal with Tool (A).
INSTALLATION
1. Apply new engine oil to valve oil seal joint surface and seal lip. Tool number (A) : KV1016200 (J-26336-A)
(B) : KV10109220 ( — )
(C) : KV10115900 (J-26336-20)
JPBIA1365ZZ
(1) : Valve spring retainer
Tool number (A) : KV10115900 (J-26336-20)
AWBIA1422ZZ
Tool number (A) : KV10107902 (J-38959)
PBIC3728E
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EM-74
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OIL SEAL
2. Press in valve oil seal to the height “H” shown with Tool (A).
3. Installation of the remaining components is in the reverse order of removal.
FRONT OIL SEAL
FRONT OIL SEAL : Remo
val and InstallationINFOID:0000000012431724
REMOVAL
1. Remove front fender protector (RH). Refer to EXT-38, "Removal and Installation".
2. Remove drive belt. Refer to EM-16, "
Removal and Installation".
3. Remove crankshaft pulley. Refer to EM-51, "
Exploded View".
4. Remove front oil seal using suitable tool. CAUTION:
Be careful not to damage front cover and crankshaft.
5. Installation of the remaining components is in the reverse order of removal.
INSTALLATION
1. Apply new engine oil to new front oil seal joint surface and seal lip.
2. Install front oil seal so that each seal lip is oriented as shown.
• Press-fit front oil seal using a suitable drift.CAUTION:
• Be careful not to damage front cover and crankshaft.
• Press-fit oil seal straight to avoid causing burrs or tilting.
3. Installation of the remaining components is in the reverse order of removal.
REAR OIL SEAL
REAR OIL SEAL : Removal and InstallationINFOID:0000000012431725
REMOVAL
1. Remove engine and transaxle assembly. Refer to TM-24, "Removal and Installation" (M/T models) and
TM-259, "
Removal and Installation" (CVT models).
2. Remove clutch cover and clutch disk (M/T models). Refer to CL-19, "
Removal and Installation".
3. Remove flywheel (M/T models) or drive plate (CVT models). Refer to EM-93, "
Exploded View".
4. Remove rear oil seal using suitable tool. Height “H” : 13.2 - 13.8 mm (0.520 - 0.543 in)
Tool number (A) : KV10115600 (J-38958)
PBIC3211J
(A) : Dust seal lip
(B) : Oil seal lip
: Engine outside
: Engine inside
PBIC3485J
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OIL SEALEM-75
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CAUTION:
Be careful not to damage crankshaft and cylinder block.
INSTALLATION
1. Apply the liquid gasket lightly to entire outside area of new rear oil seal.
Use Genuine Silicone RTV Sealant or equivalent. Refer to GI-22, "
Recommended Chemical Products
and Sealants".
2. Install rear oil seal so that each seal lip is oriented as shown.
• Press-fit rear oil seal with a suitable drift (A) outer diameter113 mm (4.45 in) and inner diameter 90 mm (3.54 in).
CAUTION:
• Be careful not to damage crankshaft and cylinder block.
• Press-fit oil seal straight to avoid causing burrs or tilt-
ing.
• Do not touch grease applied onto oil seal lip.
• Press in rear oil seal (1) to the position as shown.
3. Installation of the remaining components is in the reverse order of removal.
(A) : Dust seal lip
(B) : Oil seal lip : Engine outside
: Engine inside
PBIC3485J
PBIC3660E
(A) : Rear end surface of cylinder block
(b) : 0 - 0.5 mm (0 - 0.020 in)
PBIC3149J
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EM-76
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CYLINDER HEAD
CYLINDER HEAD
Exploded ViewINFOID:0000000012431726
Cylinder Head Bolts
Removal and InstallationINFOID:0000000012431727
REMOVAL
NOTE:
When removing components such as hoses, tubes/lines, etc.
, cap or plug openings to prevent fluid from spill-
ing.
1. Release fuel pressure. Refer to EC-137, "
Work Procedure".
2. Drain engine coolant and engine oil. Refer to CO-8, "
Draining Engine Coolant" and LU-8, "Draining".
3. Remove the following components and related parts. • Air duct. Refer to EM-26, "
Removal and Installation".
• Fuel tube and fuel injector. Refer to EM-40, "
Exploded View".
• Water outlet. Refer to CO-24, "
Removal and Installation".
• Exhaust manifold. Refer to EM-31, "
Exploded View".
• Front cover and timing chain. Refer to EM-51, "
Exploded View".
• Camshaft. Refer to EM-60, "
Exploded View".
4. Remove cylinder head loosening bolts in reverse order as shown.
5. Remove cylinder head gasket.
INSTALLATION
JPBIA4097ZZ
1. Cylinder head assembly 2. Cylinder head bolt 3. Washer
4. Cylinder head gasket A. INSTALLATION
(A) : EXH side
(B) : INT side : Engine front
PBIC3732E
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CYLINDER HEADEM-77
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1. Install new cylinder head gasket.
CAUTION:
Do not reuse cylinder head gasket.
2. Install cylinder head, and tighten cylinder head bolts in order as shown using Tool (A). • Clean threads and seating surfaces of bolts.
• Apply new engine oil to threads and seating surface of bolts.
CAUTION:
• If cylinder head bolts are reu sed, check their outer diameters before installation. Refer to EM-80,
"Inspection".
• Check and confirm the tighteni ng angle by using Tool (A).
Do not judge by visual insp ection without the Tool (A).
3. Installation of the remaining components is in the reverse order of removal. Tool number (A) : KV10112100 (BT-8653-A)
AWBIA1426ZZ
Step 1 : 40.0 N·m (4.1 kg-m, 30 ft-lb)
Step 2 : 60
° clockwise in order
Step 3 : 0 N·m (0 kg-m, 0 ft-lb)
Step 4 : 40.0 N·m (4.1 kg-m, 30 ft-lb)
Step 5 : 75 ° clockwise in order
Step 6 : 75 ° clockwise in order
: Engine frontAWBIA1425ZZ
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EM-80
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CYLINDER HEAD
8. Remove valve collet, valve spring retainer, and valve spring
using Tools.
CAUTION:
• Do not damage valve lifter holes.
• Install Tool (A) in the center of valve spring retainer topress it.
9. Install valve lifter.
10. Install spark plug with a suitable tool.
InspectionINFOID:0000000012431730
INSPECTION AFTER REMOVAL
Cylinder Head Bolt s Outer Diameter
• Cylinder head bolts are tightened by plastic zone tightening
method. Whenever the size difference between “d1” and “d2”
exceeds the limit, replace them with a new one.
• If reduction of outer diameter appear s in a position other than “d2”,
use it as “d2” point.
Cylinder Head Distortion
NOTE:
When performing this inspection, cylinder block distortion should be also checking. Refer to EM-102, "
Inspec-
tion".
1. Wipe off engine oil and remove water scale (like deposit), gasket, sealant, carbon, etc. using scraper. CAUTION:
Use utmost care not to allow gasket debris to enter passages for engine oil or engine coolant.
Tool number (A) : KV1016200 (J-26336-A)
(B) : KV10109220 ( — )
(C) : KV10115900 (J-26336-20)
JPBIA1365ZZ
(1) : Valve spring retainer
Tool number (A) : KV10115900 (J-26336-20)
AWBIA1422ZZ
Limit (“d1”–“d2”): 0.15 mm (0.0059 in)
PBIC3717E
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EM-84
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CYLINDER HEAD
5. Using a suitable tool finish valve seat to the specified dimen-
sions. For dimensions, refer to MA-11, "
Fluids and Lubricants".
CAUTION:
When using a valve seat cutter, firmly grip the cutter handle
with both hands. Then, pr ess the contacting surface evenly
around the valve seat to cut in a single attempt. Improper
pressure or cutting several times may result in wavy valve
seat.
6. Using compound, grind to adjust valve fitting.
7. Check again for normal contact. Refer to "VALVE SEAT CONTACT".
VALVE SPRING SQUARENESS
• Set a tri-square (A) along the side of valve spring and rotate spring. Measure the maximum clearance between the top of spring and
tri-square.
• If it exceeds the limit, replace valve spring.
VALVE SPRING DIMENSIONS AND VALVE SPRING PRESSURE LOAD
• Check valve spring pressure with valve spring seat installed at the specified spring height.
CAUTION:
Do not remove valve spring seat from valve spring.
• If the installation load or load with valve open is out of the stan- dard, replace valve spring (with valve spring seat).
INSPECTION AFTER INSTALLATION
• Before starting engine, check oil/fluid levels, incl uding engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to MA-11, "
Fluids and Lubricants".
• Use procedure below to check for fuel leaks.
• Turn ignition switch ON (with engine stopped). With fuel pressure applied to fuel piping, check for fuel leaks
at connection points.
• Start engine. With engine speed increased, che ck again for fuel leaks at connection points.
• Run engine to check for unusual noise and vibration.
NOTE:
If hydraulic pressure inside timing chain tensioner drops after removal and installation, slack in the guide
may generate a pounding noise during and just after engine start. However, this is normal. Noise will stop
after hydraulic pressure rises.
• Warm up engine thoroughly to make sure there are no l eaks of fuel, exhaust gas, or any oils/fluids including
engine oil and engine coolant.
• Bleed air from passages in lines and hoses, such as in cooling system.
• After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to spec- ified level, if necessary.
• Summary of the inspection items:
SEM934C
(B) : Contact
Limit : Refer to EM-119, "Cylinder head".
PBIC3219J
Standard : Refer to EM-119, "Cylinder head".
SEM113
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CYLINDER HEADEM-85
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*Power steering fluid, brake fluid, etc. Item
Before starting engine Engine runningAfter engine stopped
Engine coolant LevelLeaks Level
Engine oil LevelLeaks Level
Transmission/
transaxle fluid CVT Models
LeaksLevel/Leaks Leaks
M/T Models Level/Leaks LeaksLevel/Leaks
Other oils and fluids* LevelLeaks Level
Fuel LeaksLeaks Leaks
Exhaust gas —Leaks —
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EM-86
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ENGINE ASSEMBLY
UNIT REMOVAL AND INSTALLATION
ENGINE ASSEMBLY
Exploded ViewINFOID:0000000012431731
CAUTION:
Check that the stud bolt (*2) is tight at the specified torque before tightening the nut (*1) shown. [Stud
bolt (*2) may be loosened after loosening the nut (*1)]
1. Engine mounting (RH) stay 2. Engine mount (RH) stay
3. Engine mounting insulator (RH)
4. Rear engine mounting bracket 5. Rear torque rod 6. Engine mounting bracket (LH)
7. Engine mounting bracket (LH) 8. Engine mounting insulator (LH) 9. Mass damper
A. Front mark B. Transaxle (lower) C. CVT models
AWBIA1586ZZ
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ENGINE ASSEMBLYEM-87
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CAUTION:
Check that the stud bolt (*2) is tigh
t at the specified torque before tightening the nut (*1) shown. [Stud
bolt (*2) may be loosened after loosening the nut (*1)]
Removal and InstallationINFOID:0000000012431732
WARNING:
• Position the vehicle on a flat and solid surface.
• Place chocks at front and back of rear wheels.
• Attach proper slingers and bolts described in PARTS CATALOG if engine is not already equipped.
CAUTION:
• Always be careful to work safely.
• Do not start working until exhaust system and coolant are cool enough.
• If items or work required are not covered by th e engine section, refer to the applicable sections.
• Always use the support poin t specified for lifting.
• Use either 2-pole lift type or separate type lift. If board-on type must be used, support the rear axle
jacking point with a transmission jack or similar to ol before starting work, in preparation for the
backward shift of center of gravity.
• For supporting points for lifting and j acking point at rear axle, refer to GI-29, "
2-Pole Lift".
NOTE:
• When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from
spilling.
1. Engine mounting (RH) stay 2. Engine mount (RH) stay 3. Engine mounting insulator (RH)
4. Rear engine mounting bracket 5. Rear torque rod 6. Engine mounting bracket (LH)
7. Mass damper 8. Engine mounting insulator (LH) 9. Engine mounting bracket (LH)
10. Engine mount bracket (LH) A. Front mark B. Transaxle (upper)
C. Transaxle (lower) D. M/T models
AWBIA1587ZZ
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