Exhaust Noise: Definition
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix, 2003 Chevrolet Malibu, and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
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. 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 An 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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