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 ...

    On-vehicle maintenance
    ...

    Other materials:

    Rear seat
    Exploded View BENCH SEAT 1. Rear seat side bolster assembly LH 2. Rear seatback latch mount 3. Rear seat side bolster assembly RH 4. Rear seatback latch 5. Rear seatback trim panel 6. Seat belt guide 7. Rear seatback pad RH 8. Rear seatback pad LH 9. Rear seatback pad trim RH 10. Rear ...

    Removal and installation
    REAR SUSPENSION ASSEMBL Exploded View 1. Cap 2. Shock absorber insulator 3. Shock absorber seal 4. Bound bumper 5. Shock absorber 6. Suspension arm 7. Connecting rod mount bracket 8. Connecting rod 9. Upper rubber seat 10. Coil spring 11. Lower rubber seat 12. Knuckle 13. Knuckle bus ...

    Precaution
    Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the dr ...