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:

Moving Object Detection (MOD) (if so equipped)
CAMERA button WARNING Failure to follow the warnings and instructions for proper use of the Moving Object Detection (MOD) system could result in serious injury or death The MOD system is not a substitute for proper vehicle operation and is not designed to prevent contact with objects surrou ...

RearView Monitor (if so equipped)
CAMERA or DISP button WARNING Failure to follow the warnings and instructions for proper use of the Rear- View Monitor system could result in serious injury or death. RearView Monitor is a convenience feature and is not a substitute for proper backing. Always turn and look out the windo ...

Intelligent Driver Alertness (I-DA)
WARNING Failure to follow the warnings and instructions for proper use of the I-DA system could result in serious injury or death. The I-DA system is only a warning to inform the driver of a potential lack of driver attention or drowsiness. It will not steer the vehicle or prevent loss of cont ...