Nissan Altima 2007-2012 Service Manual: Function diagnosis


NVH Troubleshooting - Engine Noise

1. Camshaft bearing 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

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:

    Mechanical system
    Cross-Sectional View 1. Converter housing 2. Driven sprocket 3. Chain 4. Reverse brake 5. Oil pump 6. Forward clutch 7. Planetary carrier 8. Primary pulley 9. Sun gear 10. Steel belt 11. Side cover 12. Internal gear 13. Parking gear 14. Secondary pulley 15. Final gear 16. Differen ...

    Accelerator pedal released position learning
    Description Accelerator Pedal Released Position Learning is a function of ECM to learn the fully released position of the accelerator pedal by monitoring the accelerator pedal position sensor output signal. It must be performed each time harness connector of accelerator pedal position sensor ...

    Daytime running light system
    System Diagram System Description The headlamp system for Canada vehicles is equipped with a daytime light control unit that activates the high beam headlamps at approximately half illumination whenever the engine is running. If the parking brake is applied before the engine is started the ...