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: Rear window and outside mirror
(if so equipped) defroster switch
To defrost the rear window glass and outside
mirrors (if so equipped), place the ignition
switch in the ON position and push the
rear window defroster switch on. The rear
window defroster indicator light on the
switch comes on. Push the switch again to
turn the defroster off.
The rear window defro ...
Resetting the drive computer
The drive computer is divided across three
screens:
Speed
Trip Distance & Time
Fuel Economy
1. Press the or
buttons until the
desired drive computer screen is
displayed.
2. Press the OK button to bring up the drive
computer Reset menu.
3. Use the or
to select the desired
option. Then press ...
Tachometer
5 inch (13 cm) Type A (if so equipped)
The tachometer indicates engine speed in
revolutions per minute (rpm).
Do not rev the engine into the red zone 1.
7 inch (18 cm) Type B (if so equipped)
CAUTION
When engine speed approaches the
red zone, shift to a higher gear or reduce
engine speed. Operati ...