Nissan Altima (L32) 2007-2012 Service Manual: Function diagnosis
NOISE, VIBRATION, AND HARSHNESS
(NVH) TROUBLESHOOTING
NVH Troubleshooting - Engine Noise
Use the Chart Below to Help You Find the Cause
of the Symptom
1. Locate the area where noise occurs.
2. Confirm the type of noise.
3. Specify the operating condition of engine.
4. Check specified noise source.
If necessary, repair or replace these parts.
Special Service Tool
The actual shapes of the Kent-Moore tools may differ from those of the
special service tools illustrated here.
Commercial Service Tool
...
Other materials: Steering Assist temporary
standby
Automatic standby due to driving
operation:
When the driver activates the turn signal,
the Steering Assist is temporarily placed in
a standby mode. (The Steering Assist restarts
automatically when the operating
conditions are met again.)
Automatic standby:
In the following cases, a warning message
i ...
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 "Maintenance and schedules"
section of this manual. Do not service
iridi ...
Heated steering wheel switch (if so equipped)
Push the heated steering wheel switch to
warm the steering wheel after the ignition
switch is placed in the ON position. The
indicator light will come on.
If the surface temperature of the steering
wheel is below 68ºF (20ºC), the system will
heat the steering wheel and cycle off and
on to mainta ...