Nissan Altima Owners Manual: Spark plugs

REPLACING SPARK PLUGS


REPLACING SPARK PLUGS

Iridium-tipped spark plugs

It is not necessary to replace iridium-tipped A spark plugs as frequently as conventional type spark plugs because they last much longer. Follow the maintenance log shown in the NISSAN Service and Maintenance Guide. Do not service iridium-tipped spark plugs by cleaning or regapping.

● QR25DE: Always replace spark plugs with recommended ones.

● VQ35DE: Always replace spark plugs with recommended or equivalent ones

WARNING

Be sure the engine and ignition switch are off and that the parking brake is engaged securely.

CAUTION

Be sure to use the correct socket to remove the spark plugs. An incorrect socket can damage the spark plugs.

If replacement is required, see your NISSAN dealer for assistance.

    Drive belt
    QR25DE eng 1. Crankshaft pulley 2. Drive belt Automatic tensioner 3. Water pump pulley 4. Alternator 5. Air conditioner WARNING Be sure the ignition switch is placed in the OFF or LOCK posit ...

    Air cleaner
    QR25DE NOTE: The air cleaner filter should not be cleaned and reused. Replace the air cleaner filter according to the maintenance log shown in the Warranty Information and Maintenance Booklet ...

    Other materials:

    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 ...

    Air breather hose
    Exploded View 1. Air breather hose 2. Clip 3. Bracket 4. Air breather tube 5. CVT assembly A. Paint mark Removal and Installation Refer to the figure for removal and installation. CAUTION: • Install air breather hose with paint mark facing upward. • Insert air breather hose a m ...

    B2555 stop lamp
    Description BCM detects the stop lamp status and confirms the stop lamp switch ON/OFF status. BCM confirms the engine start condition according to the stop lamp switch ON/OFF status. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATION PROCEDURE 1. Depress ...