Nissan Altima Owners Manual: 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 Bookl ...
Other materials:
CD changer
Diagnosis Procedure
1.CHECK FUSE
Check that the following fuses of the CD changer are not blown.
Are the fuses OK?
YES >> GO TO 2
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between CD changer harness con ...
Electrical units location
Electrical Units Location
ENGINE COMPARTMENT
PASSENGER COMPARTMENT
LUGGAGE COMPARTMENT
HARNESS CONNECTOR
Description
HARNESS CONNECTOR (TAB-LOCKING TYPE)
• The tab-locking type connectors help prevent accidental looseness or
disconnection.
• The tab-locking type connectors a ...
Precaution
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT
PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the
dr ...