Nissan Altima 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.

Cleaner air pressure : less than 588 kPa (6 kg/cm2, 85 psi)

Cleaning time : less than 20 seconds

• Checking and adjusting plug gap is not required between change intervals. If the gap is out of specification, replace the spark plug.

Gap (nominal) : 1.1 mm (0.043 in)

INSTALLATION

Installation is in the reverse order of removal.

    On-vehicle maintenance
    ...

    Drive belts
    Checking Drive Belts WARNING: Inspect the drive belt only when the engine is stopped. • Make sure that the stamp mark of drive belt auto-tensioner is within the usable range. NOTE: • ...

    Other materials:

    P0139 HO2S2
    Description The heated oxygen sensor 2, after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Even if switching characteristics of the air fuel ratio (A/F) sensor 1 are shifted, the air-fuel ratio is controlled to stoichiometric, by the signal from th ...

    IPDM E/R (Intelligent power distribution module engine room)
    Reference Value VALUES ON THE DIAGNOSIS TOOL TERMINAL LAYOUT PHYSICAL VALUES Wiring Diagram — Coupe Fail Safe CAN COMMUNICATION CONTROL When CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe control. After CAN communication rec ...

    Crash zone sensor
    Removal and Installation REMOVAL 1. Crash zone sensor harness connector 2. Crash zone sensor A. Crash zone sensor nuts CAUTION: • Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least three minutes. • Do not use air tools or electric tool ...