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: Oil control system (if so equipped)
The oil control system can be accessed in
the Maintenance portion of the vehicle information
display settings.
Engine oil information informs the distance
to oil change. Never exceed one year or
7,500 miles (12000 km) between oil change
intervals for the 2.0L 4 cylinder (KR20DDET
engine model) or 1 ...
Car phone or CB radio
When installing a CB, ham radio or car
phone in your vehicle, be sure to observe
the following precautions; otherwise, the
new equipment may adversely affect the
engine control system and other electronic
parts.
WARNING
A cellular phone should not be used
for any purpose while driving so full
at ...
Types of tires
WARNING
When changing or replacing tires, be
sure all four tires are of the same type
(i.e., Summer, All Season or Snow)
and construction. A NISSAN dealer
may be able to help you with information
about tire type, size, speed
rating and availability.
Replacement tires may have a lower
speed ...
Preparation
On-vehicle maintenance