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:

Vehicle information display warnings and indicators
The following messages may appear in your vehicle information display. Place the key near the start switch This indicator appears when the battery of the Intelligent Key is low and when the Intelligent Key system and the vehicle are not communicating normally. If this appears, touch the ignition s ...

Difference between predicted and actual distances
The displayed guidelines and their locations on the ground are for approximate reference only. Objects on uphill or downhill surfaces or projecting objects will be actually located at distances different from those displayed in the monitor relative to the guidelines (refer to illustrations). When in ...

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 ...