Exhaust Noise: Diagnosis
WARNING: This page is about a different car, the 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, 2003 Chevrolet Monte Carlo, and 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
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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