Operation CHARM: Car repair manuals for everyone.

Engine: Testing and Inspection




NVH Troubleshooting Chart-Engine Noise:





Use the chart below to help you find the cause of the problem.
1. Locate the area where noise occurs.
2. Confirm the type of noise.
3. Specify the operating condition of the engine.
4. Check the specified noise source.
If necessary, repair or replace these parts.