Nissan Altima Owners Manual: Drive belt

QR25DE eng


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 position before servicing drive belt. The engine could rotate unexpectedly.

1. Visually inspect the belt for signs of unusual wear, cuts, fraying or looseness. If the belt is in poor condition or is loose, have it replaced or adjusted by a NISSAN dealer.

2. Have the belt checked regularly for condition and tension in accordance with the maintenance schedule found in the NISSAN Service and Maintenance Guide.

VQ35DE engine


VQ35DE engine

1. Crankshaft pulley
2. Drive belt automatic tensioner 3. Alternator
4. Air conditioner

    Variable voltage control system
    CAUTION ● Do not ground accessories directly to the battery terminal. Doing so will bypass the variable voltage control system and the vehicle battery may not charge completely. ● ...

    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 ...

    Other materials:

    S Terminal circuit
    Description The output voltage of the generator is controlled by the IC regulator at terminal “3” (S) detecting the input voltage. Terminal “3” circuit detects the battery voltage to adjust the generator output voltage with the IC regulator. Diagnosis Procedure 1.CHECK VOLTAGE REG ...

    M&A branch line circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the combination meter for damage, bend and loose connection (unit side and connector side). ...

    P0101 maf sensor
    Description The mass air flow sensor (1) is placed in the stream of intake air. It measures the intake flow rate by measuring a part of the entire intake flow. The mass air flow sensor controls the temperature of the hot wire to a certain amount. The heat generated by the hot wire is reduced a ...