Nissan Altima 2007-2012 Service Manual: Spark plug
Removal and Installation
1. Ignition coil
2. Spark plug
3. Rocker cover
REMOVAL
1. Remove the ignition coil. Refer to EM-35, "Removal and Installation".
2. Remove the spark plug with a suitable spark plug wrench.
INSPECTION AFTER REMOVAL
• Do not use a wire brush for cleaning the spark plugs. Replace as necessary.
• If plug is covered with carbon, a spark plug cleaner may be used.
• Checking and adjusting plug gap is not required between change intervals. If the gap is out of specification, replace the spark plug.
INSTALLATION
Installation is in the reverse order of removal.
Oil filter
Removal and Installation
REMOVAL
1. Remove the oil filter using Tool.
WARNING:
• Be careful not to get burned, the engine and engine oil
may be hot.
CAUTION:
• When removing, prepare ...
Evap vapor lines
Inspection
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 valv ...
Other materials:
Engine cooling system
The engine cooling system is filled at the factory
with a pre-diluted mixture of 50% Genuine
NISSAN Engine Coolant (blue) and 50% water
to provide year-round anti-freeze and coolant
protection. The anti-freeze solution contains rust
and corrosion inhibitors. Additional engine cooling
system ad ...
Seat belt buckle switch signal circuit
Description
Transmits a seat belt buckle switch signal to the combination meter.
Component Function Check
1. CHECK COMBINATION METER INPUT SIGNAL
Select “DATA MONITOR” for “METER/M&A” and check the “BUCKLE SW” monitor
value.
>> Inspection End.
Diagnosis Procedure
1. ...
P1551, P1552 battery current sensor
Description
The power generation voltage variable control enables fuel consumption to be
decreased by reducing the
engine load which is caused by the power generation of the generator. The
battery current sensor is installed
to the battery cable at the negative terminal. The sensor measures t ...