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:

Opener operation
Instrument panel WARNING Do not drive with the trunk lid open. This could allow dangerous exhaust gases to be drawn into the vehicle. For additional information, see "Exhaust gas (carbon monoxide)". Intelligent Key Closely supervise children when they are around cars to prevent them fro ...

iPod player operation
Type-A. Connecting iPod WARNING Do not connect, disconnect, or operate the USB device while driving. Doing so can be a distraction. If distracted you could lose control of your vehicle and cause an accident or serious injury. CAUTION Do not force the USB device into the USB port. Inserting th ...

Rear window and outside mirror (if so equipped) defroster switch
To defrost the rear window glass and outside mirrors (if so equipped), place the ignition switch in the ON position and push the rear window defroster switch on. The rear window defroster indicator light on the switch comes on. Push the switch again to turn the defroster off. The rear window defro ...