Nissan Maxima. Instruction — part 531
EM-12
< PERIODIC MAINTENANCE >
SPARK PLUG
PERIODIC MAINTENANCE
SPARK PLUG
Exploded View
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Removal and Installation
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REMOVAL
1. Remove the ignition coil. Refer to
EM-42, "Removal and Installation (LH)"
and
2. Remove the spark plug with a suitable spark plug wrench.
INSPECTION AFTER REMOVAL
1.
Ignition coil
2.
Spark plug
3.
Rocker cover (RH)
4.
Rocker cover (LH)
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PBIC2982E
SPARK PLUG
EM-13
< PERIODIC MAINTENANCE >
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• Do not use a wire brush for cleaning the spark plugs.
• If plug is covered with carbon, a spark plug cleaner may be used.
• 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.
*: Always check with the Parts Department for the latest parts information.
SMA773C
Cleaner air pressure : less than 588 kPa (6 kg/cm
2
, 85 psi)
Cleaning time
: less than 20 seconds
SMA806CA
Make
DENSO
Standard type*
FXE22HR11
Gap (nominal)
1.1 mm (0.043 in)
EM-14
< PERIODIC MAINTENANCE >
DRIVE BELTS
DRIVE BELTS
Checking Drive Belts
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WARNING:
Inspect and check the drive belt with the engine off.
• Check that the indicator of drive belt auto-tensioner is within the possible use range.
NOTE:
• Check the drive belt auto-tensioner indication when the engine is cold.
• When new drive belt is installed, the indicator should be within the new drive belt range.
• Visually check entire drive belt for wear, damage or cracks.
• If the indicator is out of the possible use range or the drive belt is damaged, replace the drive belt.
Tension Adjustment
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• Drive belt tension is not instructionly adjustable, it is automatically adjusted by the drive belt auto-tensioner.
Removal and Installation
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REMOVAL
1. Remove the front RH wheel and tire using power tool. Refer to
2. Remove the fender protector side cover (RH). Refer to
EXT-24, "Removal and Installation"
.
3. While securely holding the hexagonal part in pulley center of
drive belt auto-tensioner, move in the direction of arrow (loosen-
ing direction of drive belt auto-tensioner) using suitable tool.
WARNING:
• Avoid placing hand in a location where pinching may
occur if the holding tool accidentally comes off.
CAUTION:
• Do not loosen the drive belt auto-tensioner pulley bolt.
(Do not turn it counterclockwise. If turned counterclock-
wise, the complete drive belt auto-tensioner must be
replaced as a unit, including pulley.)
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1.
Idler pulley
2.
Drive belt
3.
Power steering oil pump
4.
Drive belt auto-tensioner
5.
Crankshaft pulley
6.
Idler pulley
7.
A/C compressor
8.
Generator
A.
Indicator
B.
New drive belt range
C.
Possible use range
D.
View D
Engine front
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DRIVE BELTS
EM-15
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4. Insert a rod approximately 6 mm (0.24 in) in diameter through the rear of drive belt auto-tensioner into
retaining boss to lock drive belt auto-tensioner pulley.
• Leave drive belt auto-tensioner pulley arm locked until drive belt is installed again.
5. Remove drive belt from crankshaft pulley and then remove it from the other pulleys.
INSTALLATION
1. Install the drive belt onto all of the pulleys.
CAUTION:
Confirm drive belt is completely set on the pulleys.
2. Release drive belt auto-tensioner, and apply tension to drive belt.
WARNING:
• Avoid placing hand in a location where pinching may occur if the holding tool accidentally
comes off.
CAUTION:
• Do not loosen the drive belt auto-tensioner pulley bolt. (Don't turn it counterclockwise. If turned
counterclockwise, the complete drive belt auto-tensioner must be replaced as a unit, including
pulley.)
3. Turn crankshaft pulley clockwise several times to equalize tension between each pulley.
4. Confirm indicator is within the possible use range. Refer to
Removal and Installation of Drive Belt Auto-tensioner
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REMOVAL
CAUTION:
The complete drive belt auto-tensioner must be replaced as a unit, including the pulley.
1. Remove the drive belt. Refer to
EM-14, "Removal and Installation"
.
NOTE:
Insert a rod approximately 6 mm (0.24 in) in diameter through the rear of drive belt auto-tensioner into the
retaining boss to lock drive belt auto-tensioner pulley.
2. Remove the drive belt auto-tensioner using a power tool.
CAUTION:
Do not loosen the drive belt auto-tensioner pulley bolt. Don't turn it counterclockwise. If turned coun-
terclockwise, the complete auto-tensioner including the pulley must be replaced as a unit.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• If there is damage greater than peeled paint, replace drive belt auto-tensioner unit.
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1. Drive belt auto-tensioner
2. Idler pulley
3. A/C idler pulley
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