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: Child safety
WARNING
Do not allow children to play with the
seat belts. Most seating positions are
equipped with Automatic Locking Retractor
(ALR) mode seat belts. If the seat
belt becomes wrapped around a child’s
neck with the ALR mode activated, the
child can be seriously injured or killed if
the seat belt r ...
Steering Assist
WARNING
Failure to follow the warnings and instructions
for proper use of the Steering
Assist could result in serious injury
or death.
The Steering Assist is not a replacement
for proper driving procedures
and is not designed to correct careless,
inattentive or absent-minded
driving. The Steer ...
System maintenance
The two radar sensors 1 for the BSW and
RCTA systems are located near the rear
bumper. Always keep the area near the radar
sensors clean.
The radar sensors may be blocked by temporary
ambient conditions such as splashing
water, mist or fog.
The blocked condition may also be caused
by objects such ...
Preparation
On-vehicle maintenance