Nissan Altima 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

    Preparation
    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:

    Using the system
    The NISSAN Voice Recognition system allows hands-free operation of the Bluetooth® Phone System. If the vehicle is in motion, some commands may not be available so full attention may be given to vehicle operation. Initialization When the ignition switch is placed in the ON position, NISSAN ...

    Corrosion protection
    Description To provide improved corrosion prevention, the following anti-corrosive measures have been implemented in NISSAN production plants. When repairing or replacing body panels, it is necessary to use the same anti-corrosive measures. Anti-Corrosive Precoated Steel (Galvannealed Steel) ...

    Windows
    POWER WINDOWS WARNING ● Make sure that all passengers have their hands, etc. inside the vehicle while it is in motion and before closing the windows. Use the window lock switch to prevent unexpected use of the power windows. ● Do not leave children unattended inside the vehicle. ...