Exhaust Noise: Definition
An audible or physical noise may occur, due to a faulty component or damaged components causing a loose or misaligned exhaust system, resulting in a rattle or vibration noise, buzz, groan, hum. For possible cause and diagnosis, see EXHAUST NOISE DIAGNOSIS table.
EXHAUST NOISE DIAGNOSIS
| Possible Cause | Check/Repair | ||
|---|---|---|---|
| Popping Or Hissing Noise | (1) Exhaust Leak | ||
| Loud Exhaust | Compare To Known Good Vehicle, Check for Failed Muffler Or Resonator. Repair Or Replace As Necessary. | ||
| External Rattle Or Vibration Noise | Check For Bent Or Loose Hanger, Heat Shield Or Failed Muffler. Check For A Exhaust Pipe Causing Interference. Repair Or Replace As Necessary. | ||
| Internal Rattle | Check Components By Tapping With A Rubber Mallet To Confirm Rattle. Replace Faulty Converter Or Muffler. | ||
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