Engine: Testing and Inspection

NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING







Use the Chart Below to Help You Find the Cause of the Symptom

NVH Troubleshooting-Engine Noise:

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.
If necessary, repair or replace these parts.