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:

    Automatic door locks
    ● All doors lock automatically when the vehicle speed reaches 15 MPH (24 km/h). ● All doors unlock automatically when the ignition is placed in the OFF position. The automatic unlock function can be deactivated or activated. To deactivate or activate the automatic door unlock sys ...

    Control linkage
    Exploded View 1. Control lever knob 2. Control lever 3. Control device assembly 4. Retainer grommet 5. Select cable 6. Shift cable 7. Lock plate 8. Cable bracket Removal and Installation REMOVAL 1. Shift control lever to the neutral position. 2. Remove the air filter assembly. Refer ...

    P0740 torque converter clutch solenoid valve
    Description • The torque converter clutch solenoid valve is activated by the TCM in response to signals sent from the vehicle speed and accelerator pedal position sensors. Lock-up piston operation will then be controlled. • Lock-up operation, however, is prohibited when CVT fluid temper ...