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:

MOD system operation
The MOD system will turn on automatically under the following conditions: When the shift lever is in the R (Reverse) position. When the CAMERA button is pressed to activate the camera view on the display. When vehicle speed decreases below approximately 6 mph (10 km/h) and the camera screen ...

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 ...

Battery replacement
CAUTION Be careful not to allow children to swallow the battery or removed parts. NISSAN Intelligent Key Replace the battery in the Intelligent Key as follows: 1. Remove the mechanical key from the Intelligent Key. 2. Insert a small screwdriver A into the slit B of the corner and twist it to separ ...