Nissan Altima (L32) 2007-2012 Service Manual ≻ Maintenance ≻ On-vehicle maintenance ≻ Engine maintenance (QR25DE) ≻ Spark plug

Nissan Altima (L32) 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:

Automatic brake hold (if so equipped)
The automatic brake hold function maintains the braking force without the driver having to depress the brake pedal when the vehicle is stopped at a traffic light or intersection. As soon as the driver depresses the accelerator pedal again, the automatic brake hold function is deactivated and the bra ...

Moonroof (if so equipped)
Power moonroof The moonroof will only operate when the ignition switch is placed in the ON position. The power moonroof is operational for a period of time, even if the ignition switch is placed in the AUTO ACC or OFF position. If the driver's door or the front passenger's door is opened during th ...

Operating tips
The sunload sensor, located on the top center of the instrument panel, helps the system maintain a constant temperature. Do not put anything on or around this sensor. When the climate system is in automatic operation and the engine coolant temperature and outside air temperature are low, the ...