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:
P1226 TP Sensor
Description
Electric throttle control actuator consists of throttle control motor,
throttle position sensor, etc. The throttle position sensor responds to
the throttle valve movement.
The throttle position sensor has two sensors. These sensors are a
kind of potentiometer which transform the t ...
Three-way catalyst
The three-way catalyst is an emission control
device installed in the exhaust system. Exhaust
gases in the three-way catalyst are burned at
high temperatures to help reduce pollutants.
WARNING
● The exhaust gas and the exhaust system
are very hot. Keep people, animals
or flammable mater ...
Basic inspection
Special Repair Requirement
1.INSPECTION START
1. Check service records for any recent repairs that may indicate a related
malfunction, or a current need for
scheduled maintenance.
2. Open engine hood and check the following:
- Harness connectors for improper connections
- Wiring harness fo ...