spark plug NISSAN NOTE 2016 Service Repair Manual

EM-1
ENGINE
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SECTION EM
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CONTENTS
ENGINE MECHANICAL
HR16DE
PRECAUTION ....... ........................................
3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
Precaution for Procedure without Cowl Top Cover ......3
Draining Engine Coolant ...........................................3
Disconnecting Fuel Piping .........................................3
Removal and Disassembly ........................................3
Inspection, Repair and Replacement ........................4
Assembly and Installation .........................................4
Parts Requiring Angle Tightening ....................... ......4
Precaution for Liquid Gasket .....................................4
PREPARATION ............................................6
PREPARATION .............................................. .....6
Special Service Tools .......................................... ......6
Commercial Service Tools ........................................7
BASIC INSPECTION ...................................10
CAMSHAFT VALVE CLEARANCE ............... ....10
Inspection and Adjustment .................................. ....10
COMPRESSION PRESSURE ............................13
Inspection ............................................................ ....13
SYMPTOM DIAGNOSIS ..............................14
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING ........................ ....
14
NVH troubleshooting Chart ................................. ....14
PERIODIC MAINTENANCE .........................16
DRIVE BELT ................................................... ....16
Exploded View .................................................... ....16
Removal and Installation .........................................16
Inspection ............................................................ ....17
Adjustment ...............................................................17
AIR CLEANER FILTER .....................................19
Exploded View .........................................................19
Removal and Installation .........................................19
SPARK PLUG ...................................................21
Exploded View .........................................................21
Removal and Installation .........................................21
REMOVAL AND INSTALLATION ...............24
DRIVE BELT IDLER PULLEY ..........................24
Exploded View ..................................................... ....24
Removal and Installation .........................................24
AIR CLEANER AND AIR DUCT .......................26
Exploded View .........................................................26
Removal and Installation .........................................26
INTAKE MANIFOLD .........................................28
Exploded View .........................................................28
Removal and Installation .........................................28
EXHAUST MANIFOLD ......................................31
Exploded View .........................................................31
Removal and Installation .........................................31
OIL PAN AND OIL STRAINER .........................34
Exploded View .........................................................34
Removal and Installation (Lower Oil Pan) ...............34
Removal and Installation (Upper Oil Pan) ........... ....37
FUEL INJECTOR AND FUEL TUBE ................40
Exploded View .........................................................40
Removal and Installation .........................................40
IGNITION COIL .................................................47
Exploded View .........................................................47
Removal and Installation .........................................47
ROCKER COVER .............................................48
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EM-2
Exploded View ........................................................48
Removal and Installation ........................................48
TIMING CHAIN ............................................... ...51
Exploded View ..................................................... ...51
Removal and Installation ........................................51
CAMSHAFT .......................................................60
Exploded View ..................................................... ...60
Removal and Installation ........................................60
Inspection ...............................................................68
OIL SEAL ...........................................................73
VALVE OIL SEAL .................................................. ...73
VALVE OIL SEAL : Removal and Installation .........73
FRONT OIL SEAL .................................................. ...74
FRONT OIL SEAL : Removal and Installation ........74
REAR OIL SEAL .................................................... ...74
REAR OIL SEAL : Removal and Installation ..........74
CYLINDER HEAD ........................................... ...76
Exploded View ..................................................... ...76
Removal and Installation ........................................76
Exploded View ........................................................78
Disassembly and Assembly ....................................78
Inspection ...............................................................80
UNIT REMOVAL AND INSTALLATION .....86
ENGINE ASSEMBLY ...................................... ...86
Exploded View ..................................................... ...86
Removal and Installation ........................................87
UNIT DISASSEMBLY AND ASSEMBLY ...91
ENGINE UNIT ....................................................91
Setting .................................................................. ...91
Disassembly ............................................................92
Assembly ................................................................92
CYLINDER BLOCK ...........................................93
Exploded View ........................................................93
Disassembly and Assembly ....................................94
Inspection ..............................................................102
HOW TO SELECT PISTON AND BEARING ...111
Description ........................................................... .111
Connecting Rod Bearing .......................................111
Main Bearing ........................................................113
SERVICE DATA AND SPECIFICATIONS
(SDS) ........ .................................................
116
SERVICE DATA AND SPECIFICATIONS
(SDS) .............................................................. ..
116
General Specification ........................................... .116
Drive Belt ..............................................................116
Spark Plug ............................................................117
Exhaust Manifold ..................................................117
Camshaft ...............................................................117
Cylinder head ........................................................119
Cylinder Block .......................................................121
Main Bearing .........................................................124
Connecting Rod Bearing .......................................125
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PRECAUTIONSEM-3
< PRECAUTION > [HR16DE]
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental
Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000012431679
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SR and SB section of
this Service Manual.
WARNING:
• To avoid rendering the SRS inoper ative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintentional act ivation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipm ent on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identi fied by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Un it or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or el ectric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the
battery and wait at least three mi nutes before performing any service.
Precaution for Procedure without Cowl Top CoverINFOID:0000000012431680
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.
Draining Engine CoolantINFOID:0000000012431681
Drain engine coolant and engine oil when the engine is cooled.
Disconnecting Fuel PipingINFOID:0000000012431682
• Before starting work, check 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.
Removal and DisassemblyINFOID:0000000012431683
• When instructed to use SST, use specified tools. Alwa ys be careful to work safely, avoid forceful or unin-
structed operations.
• Use care to avoid damage to mating or sliding surfaces.
PIIB3706J
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EM-8
< PREPARATION >[HR16DE]
PREPARATION
Spark plug wrench
Removing and installing spark plug
a: 14 mm (0.55 in)
Pulley holder Crankshaft pulley removing and installing
Valve seat cutter set Finishing valve seat dimensions
Piston ring expander Removing and installing piston ring
Valve guide drift Removing and installing valve guide
Valve guide reamer (1): Reaming valve guide inner hole
(2): Reaming hole for oversize valve guide
(J-43897-18)
(J-43897-12)
Oxygen sensor thread cleaner Reconditioning the exhaust system threads
before installing a new air fuel ratio sensor
(Use with anti-seize lubricant shown below.)
A: [18 mm (0.71 in) dia.] for zirconia heated
oxygen sensor
B: [12 mm (0.47 in) dia.] for titania heated
oxygen sensor
C: Mating surface shave cylinder
D: Flutes
Tool name
Description
JPBIA0399ZZ
NT035
S-NT048
S-NT030
PBIC4012E
PBIC4013E
JPBIA0238ZZ
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COMPRESSION PRESSUREEM-13
< BASIC INSPECTION > [HR16DE]
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COMPRESSION PRESSURE
InspectionINFOID:0000000012431691
1. Warm up engine to full operating temperature and then turn it off.
2. Release fuel pressure. Refer to
EC-137, "
Work Procedure".
3. Remove ignition coil and spark plug from each cylinder. Refer to EM-48, "
Exploded View".
4. Connect engine tachometer (not required in use of CONSULT).
5. Install compression gauge (B) with an adapter (A) into spark plug hole.
• Use an adapter with a diameter (a) smaller than 20 mm (0.79in). Otherwise, it may be caught by cylinder head during
removal.
6. With accelerator pedal fully depressed, turn ignition switch to »»» for cranking. When the gauge pointer stabilizes, read the compression pressure and the engi ne rpm. Perform these steps to check each cylin-
der.
CAUTION:
Always use a fully charged battery to obtain the specified engine speed.
• If the engine speed is out of the specified range, check the battery. Check the engine speed again with a
fully charged battery.
• If some cylinders have low compression pressure, pour a small amount of engine oil into the spark plug hole to recheck the compression.
- If the added engine oil improves the compression, the piston rings may be worn or damaged. Check the piston rings and replace if necessary.
- If the compression pressure remains low despite the addition of engine oil, the valves may be malfunc-
tioning. Check the valves for damage. Replace the valve or valve seat as necessary.
• If two adjacent cylinders have respectively low compression pressure and their compression remains low even after the addition of engine oil the head gasket may be leaking, or valves in adjacent cylinders
may be damaged. Inspect and repair as required.
• If the compression pressure is below the minimum value, check the valve clearances and parts associ-
ated with the combustion chamber (valve, valve seat , piston, piston ring, cylinder bore, cylinder head,
cylinder head gasket). After repairing, measure the compression pressure again.
7. After inspection is completed, install removed parts.
8. Start the engine, and ensure that the engine runs smoothly.
9. Perform trouble diagnosis. If DTC appears, erase it. Refer to EC-120, "
Work Flow".
JPBIA4119ZZ
(a) : Less than 20 mm (0.79 in)
JPBIA0171ZZ
Compression pressure : Refer to EM-116, "General Specification".
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SPARK PLUGEM-21
< PERIODIC MAINTENANCE > [HR16DE]
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SPARK PLUG
Exploded ViewINFOID:0000000012431699
Removal and InstallationINFOID:0000000012431700
REMOVAL
1. Remove ignition coil. Refer to
EM-48, "Removal and Installation".
CAUTION:
Do not drop or shock ignition coil.
2. Remove spark plug using a suitable tool.
CAUTION:
Do not drop or shock spark plug.
INSPECTION AFTER REMOVAL
• If the spark plug tip is covered with carbon, a spark plug cleaner may be used.
CAUTION:
1. Ignition coil 2. Spark plug3. Rocker cover
Front
AWBIA1599ZZ
Diameter (a) : 14 mm (0.55 in)
JPBIA0030ZZ
Cleaner air pressure : Less than 588 kPa (6 kg/cm2, 85 psi)
Cleaning time : Less than 20 seconds
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EM-22
< PERIODIC MAINTENANCE >[HR16DE]
SPARK PLUG
Do not use a wire brush for cleaning.
• Checking and adjusting spark plug gap is not required between change intervals. Do not adjust the gap; replace the spark plug as
necessary if out of specification.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Do not drop or shock the spark plug.
*: Always check with the Parts Department for the latest parts information.
CAUTION:
Always tighten the spark plug to specified torque to align the orie ntation of electrodes. The ground
electrode of a genuine spark plug is positioned in the area of maximum ignitability by tightening to the
specified torque. When replacing spark plugs, use genuine spark pl ugs of which the ground electrode
is adjusted.
NOTE:
SMA773C
SMA806CA
Make NGK
Standard type* PLZKAR6A-11
Gap (nominal) 1.1 mm (0.043 in)
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SPARK PLUGEM-23
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The ground electrode of the spark plug is positioned in the area of maximum ignitability to improve combustion
eficiency in the cylinder, reduce CO2 (carbon
dioxide) emission and improve fuel economy.
1. Ground electrode of spark plug A. Top view B. Air-fuel mixture flow
C. Poor ignitability region
JPBIA5996GB
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EM-40
< REMOVAL AND INSTALLATION >[HR16DE]
FUEL INJECTOR AND FUEL TUBE
FUEL INJECTOR AND FUEL TUBE
Exploded ViewINFOID:0000000012431712
Removal and InstallationINFOID:0000000012431713
WARNING:
• Put a “CAUTION: FLAMMABLE”
sign in the workshop.
• Be sure to work in a well-ventila ted area and furnish workshop with a CO
2 fire extinguisher.
• Do not smoke while servicing fuel system. Keep open flames and sparks away from the work area.
CAUTION:
Do not remove or disassemble parts unless instructed.
NOTE:
When removing components such as hoses, tubes/lines, etc. , cap or plug openings to prevent fluid from spill-
ing.
REMOVAL
1. Release the fuel pressure. Refer to EC-137, "Work Procedure".
2. Remove intake manifold. Refer to EM-28, "
Removal and Installation".
1. Stud bolt 2. O-ring (green) 3. Fuel injector (front)
4. Clip 5. Fuel injector (rear) 6. O-ring (black)
7. Fuel tube protector 8. Fuel tube9. Clamp
10. Quick connector cap (engine side) 11. Fuel feed hose 12. Quick connector cap (floor piping-side)
13. Fuel connector protector 14. Fuel pipeA. To centralized under-floor piping
Front
AWBIA1579ZZ
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FUEL INJECTOR AND FUEL TUBEEM-41
< REMOVAL AND INSTALLATION > [HR16DE]
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3. Disconnect fuel feed hose from
fuel tube. Disconnect quick con-
nector:
NOTE:
There is no fuel return path.
a. Remove quick connector cap (engine side) (1) from quick con- nector connection.
b. Disconnect fuel feed hose from hose clamp.
c. With the sleeve (B) side of quick connector release (A) facing quick connector (2), install quick connector release (A) onto fuel
tube (1) as shown.
d. Insert quick connector release (A) into quick connector (2) until sleeve (B) contacts and goes no further. Hold quick connector
release (A) in that position (D).
CAUTION:
Inserting quick connector re lease hard will not disconnect
quick connector. Hold qui ck connector release where it
contacts and goes no further.
e. Draw and pull out quick connector (E) straight up from fuel tube (1).
CAUTION:
• Pull quick connector up (E) from holding position (C) as shown.
• Do not pull with lateral force applied. O-ring inside quick connector may be damaged.
• Prepare container and cloth be forehand as fuel will leak out.
• Discard O-ring, do not reuse.
• Avoid fire and sparks.
• Keep parts away from heat source. Be especi ally careful when welding is performed.
• Do not expose parts to battery electrolyte or other acids.
• Do not bend or twist connection between quick connector and fuel feed tube during installation
or removal.
• Be sure to cover openings of disconnected fuel feed hose
(A) and fuel tube (C) with plug or plastic bag (B) to avoid
fuel leaks and entry of foreign material.
4. Disconnect fuel feed hose from fuel pipe as follows:
(1) : Quick connector cap (engine side)
JPBIA4130ZZ
JPBIA4131ZZ
JPBIA2255ZZ
JSBIA1295ZZ
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