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MA-24
< SERVICE INFORMATION >
ENGINE MAINTENANCE (HR16DE)
SPARK PLUG (HR16DE) : Exploded View
INFOID:0000000005931147
SPARK PLUG (HR16DE) : Removal and InstallationINFOID:0000000005931148
REMOVAL
1. Remove intake manifold. Refer to EM-27, "Removal and Installation".
2. Remove ignition coil. Refer to EM-46, "
Removal and Installation".
3. Remove spark plug with a suitable tool.
INSPECTION AFTER REMOVAL
CAUTION:
• Never drop or shock spark plug.
• Never use a wire brush for cleaning.
• If plug tip is covered with carbon, spark plug cleaner may be used.
1. Ignition coil 2. Spark plug
PBIC3662E
PBIC3871E
Cleaner air
pressure:Less than 588 kPa (6 kg/cm2, 85 psi)
Cleaning time: Less than 20 seconds
SMA773C
Revision: May 2010 2011 Versa
Page 3205 of 3787
MA-34
< SERVICE INFORMATION >
ENGINE MAINTENANCE (MR18DE)
3. Screw oil filter manually until it touches the installation surface,
then tighten it by 2/3 turn. Or tighten to specification.
4. Refill engine with new engine oil. Refer to MA-32, "
ENGINE OIL : Changing Engine Oil".
5. Install engine under cover. Refer to EI-15, "
Removal and Installation".
INSPECTION AFTER INSTALLATION
1. Check the engine oil level. Refer to MA-30, "ENGINE OIL : Inspection".
2. Start engine, and make sure there are no leaks of engine oil.
3. Stop engine and wait for 10 minutes.
4. Check the engine oil level and adjust as necessary. Refer to MA-30, "
ENGINE OIL : Inspection".
SPARK PLUG
SPARK PLUG : ComponentINFOID:0000000005931161
Oil filter: : 17.7 N·m (1.8 kg-m, 13 ft-lb)
SMA229B
1. PCV hose2. Rocker cover3. Spark plug
4. Ignition coil 5. PCV hose6. PCV valve
PBIC3536J
Revision: May 2010 2011 Versa
Page 3206 of 3787
ENGINE MAINTENANCE (MR18DE)MA-35
< SERVICE INFORMATION >
C
DE
F
G H
I
J
K
M A
B
MA
N
O P
SPARK PLUG : Removal and InstallationINFOID:0000000005931162
REMOVAL
1. Remove intake manifold. Refer to EM-137.
2. Remove ignition coil. CAUTION:
• Handle ignition coil car efully and avoid impacts.
• Never disassemble.
3. Remove spark plug using suitable tool. CAUTION:
Never drop or shock it.
4. Remove rocker cover. • Loosen bolts in reverse order as shown.
• Engine front
INSPECTION AFTER REMOVAL
CAUTION:
• Never drop or shock spark plug.
• Checking and adjusting spar k plug gap is not required
between change intervals.
• If spark plug tip is covered with carbon, a spark plug cleaner may be used.
7. O-ring8. Gasket
A. To air duct B. Refer to MA-35
.C. To intake manifold
PBIC3871E
PBIC3151J
SMA806CA
Cleaner air pressure
: Less than 588 kPa (5.88 bar, 6 kg/cm2, 85 psi)
Cleaning time : Less than 20 seconds
Revision: May 2010 2011 Versa
Page 3207 of 3787

MA-36
< SERVICE INFORMATION >
ENGINE MAINTENANCE (MR18DE)
• Never use wire brush for cleaning spark plug.
INSTALLATION
1. Install the rocker cover gasket to the rocker cover.
2. Install rocker cover.• Tighten bolts in two steps separately in numerical order as
shown.
• Engine front
CAUTION:
Check if rocker cover gasket is not dropped from the instal-
lation groove of rocker cover.
3. Install spark plug using suitable tool.
CAUTION:
Never drop or shock it.
4. Install ignition coil. CAUTION:
• Handle it carefully and avoid impacts.
• Never disassemble.
5. Install intake manifold. Refer to EM-137
.
EVAP VAPOR LINES
EVAP VAPOR LINES : Checking EVAP Vapor LineINFOID:0000000005931163
1. Visually inspect EVAP vapor lines for improper attachment and for cracks, damage, loose connections,
chafing and deterioration.
2. Inspect fuel tank filler cap vacuum relief valve for clogging, sticking, etc. Refer to EC-501
HR16DE, EC-528, "Component Inspection" MR18DE.
SMA773C
1st step : 1.96 N·m (0.20 kg-m, 17 in-lb)
2nd step : 8.33 N·m (0.85 kg-m, 73 in-lb)
PBIC3151J
Make : DENSO
Part number : FXE20HR11
Gap (nominal) : 1.1 mm (0.043 in)
PBIC3871E
Revision: May 2010 2011 Versa