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:

Memory seat (if so equipped)
The memory seat system has three features: Memory storage function (Key-link) Memory storage function (Switch) Entry/exit function Key-link, when enabled, automatically retains the driver’s last seat and outside mirror position for that specific key when the ignition is turned from ON to OFF. ...

USB/iPod charging ports (if so equipped)
Front (Type A) (if so equipped) Front (Type B) (if so equipped) Front (Type C) (if so equipped) Rear (if so equipped) Type-C USB Type-A USB There are USB charging ports located in the rear seat area on the back of the center console. These ports will charge compatible devices. NOTE: Not al ...

Heater and air conditioner (manual) (if so equipped)
Fan speed control dial Heated seat switches (if so equipped) Front defroster button Rear window and outside mirror (if so equipped) defroster switch Air recirculation button MAX A/C / temperature control dial Air flow control buttons A/C (air conditioner) button WARNING The air ...