Exhaust Noise
| Condition | Action |
|---|---|
| DEFINITION: An audible or physical noise due to a faulty component or damaged components causing a loose or misaligned exhaust system resulting in a rattle or vibration noise, i.e. buzz, groan, hum. Refer to Symptoms - Engine Exhaust prior to beginning this table. | |
| Popping or hissing noise | Exhaust leak-Refer to Exhaust Leakage . |
| Loud exhaust | Compare to a known good vehicle. Inspect for a damaged or failed muffle. Replace the faulty muffler. Refer to Muffler Replacement . |
| External rattle or vibration noise | Inspect for a bent or loose hanger, loose heat shield, or loose clamp. Inspect for a exhaust pipe causing interference. Repair or replace the affected component. Refer to the affected component's service procedure. |
| Internal rattle | Test the components by tapping with a rubber mallet to confirm a rattle. Replace the faulty catalytic converter, or muffler. Refer to one of the following procedures: • Catalytic Converter Replacement • Muffler Replacement |