Nissan Altima (L32) 2007-2012 Service Manual: Function diagnosis
NOISE, VIBRATION, AND HARSHNESS
(NVH) TROUBLESHOOTING
NVH Troubleshooting - Engine Noise
1. Camshaft bearing noise
2. Piston pin noise
3. Piston slap noise
4. Main bearing noise
5. Connecting rod bearing noise
6. Drive belt noise (Sticking/Slipping)
7. Drive belt noise (Slipping)
8. Water pump noise
9. Timing chain and chain tensioner noise
10. Tappet noise
A. Valve
B. Valve mechanism
C. Rotation mechanism
D. Drive belt
E. Timing chain
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. Repair or replace the identified part as
necessary.
A: Closely related
B: Related
C: Sometimes related —: Not related
Special Service Tool
The actual shapes of Kent-Moore tools may differ from those of special
service tools illustrated here.
Commercial Service Tool
...
Other materials: NISSAN Intelligent Key System
WARNING
Radio waves could adversely affect
electric medical equipment. Those
who use a pacemaker should contact
the electric medical equipment
manufacturer for the possible influences
before use.
The Intelligent Key transmits radio
waves when the buttons are pressed.
The FAA advises the ra ...
Vehicle security system
The vehicle security system provides visual
and audible alarm signals if someone
opens the doors or trunk when the system
is armed. It is not, however, a motion detection
type system that activates when a vehicle
is moved or when a vibration occurs.
The system helps deter vehicle theft but
cannot p ...
RearView Monitor system limitations
WARNING
Listed below are the system limitations
for RearView Monitor. Failure to operate
the vehicle in accordance with
these system limitations could result in
serious injury or death.
The system cannot completely eliminate
blind spots and may not show
every object.
Underneath the bumper and t ...