Nissan GT-R. Instruction — part 90
EM-8
< PERIODIC MAINTENANCE >
SPARK PLUG
SPARK PLUG
Exploded View
INFOID:0000000009162820
Removal and Installation
INFOID:0000000009162821
REMOVAL
1.
Remove engine cover with power tool. Refer to
.
2.
Remove intake manifold collector. Refer to
CAUTION:
Mark the parts with paint in advance of the reinstallation to prevent misalignment between the
intake manifold collector and intake manifold.
3.
Remove ignition coil.
1.
Ignition coil
2.
Spark plug
3.
Oil filler cap
4.
Oil filler tube
5.
O-ring
6.
Fresh air hose
7.
Rocker cover (bank 1)
8.
Rocker cover gasket (bank 1)
9.
Rocker cover gasket (bank 2)
10.
Fresh air hose
11.
Rocker cover (bank 2)
A.
To fresh air tube (bank 1)
B.
To fresh air tube (bank 2)
C.
This work is recommended to be per-
formed by GT-R certified NISSAN
dealer.
Refer to
for symbols in the figure.
NNBIA0067ZZ
SPARK PLUG
EM-9
< PERIODIC MAINTENANCE >
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4.
Remove spark plug with a spark plug wrench (commercial ser-
vice tool).
CAUTION:
Never drop or shock spark plug.
INSTALLATION
Installation is the reverse order of removal.
Inspection
INFOID:0000000009162822
INSPECTION AFTER REMOVAL
Use the standard type spark plug for normal condition.
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.
• Measure spark plug gap. When it exceeds the limit, replace spark plug even if it is within the speci-
fied replacement mileage. Refer to
.
• Spark plug gap adjustment is not required between replace-
ment intervals.
a
: 14 mm (0.55 in)
JPBIA0030ZZ
Spark plug (Standard type)
: Refer to
Cleaner air pressure:
Less than 588 kPa (6 kg/cm
2
, 85 psi)
Cleaning time:
Less than 20 seconds
SMA773C
JPBIA0031ZZ
EM-10
< REMOVAL AND INSTALLATION >
ENGINE COVER
REMOVAL AND INSTALLATION
ENGINE COVER
Exploded View
INFOID:0000000009162825
Removal and Installation
INFOID:0000000009162826
Removal
Remove engine cover with the following cares.
CAUTION:
• Perform this step when the engine is cold.
• Never damage engine cover.
• Wipe out oil with wasted as soon as possible whenever necessary.
• Never exert pressure by hand on the surface of engine cover.
Installation
Install engine cover with the following cares.
CAUTION:
• Never damage engine cover.
• Never get harnesses and hoses caught between engine cover and intake manifold collector.
• Wipe out oil with wasted as soon as possible whenever necessary.
• Never exert pressure by hand on the surface of engine cover.
1.
Engine room cover
for symbols in the figure.
NNBIA0011GB
DRIVE BELT AUTO TENSIONER AND IDLER PULLEY
EM-11
< REMOVAL AND INSTALLATION >
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DRIVE BELT AUTO TENSIONER AND IDLER PULLEY
Exploded View
INFOID:0000000009162827
1.
Front timing chain case
2.
Drive belt auto-tensioner
3.
Idler pulley
4.
Idler pulley
Refer to
NNBIA0010GB
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