Exhaust Noise
| Condition | Action |
|---|---|
| Refer to WARNING: SERVICING EXHAUST SYSTEM . DEFINITION: buzzing, creaking, or humming sound. 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. 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 muffler or resonator, if equipped. Replace the faulty muffler or resonator (if equipped). Refer to EXHAUST MUFFLER REPLACEMENT (LAU) or EXHAUST MUFFLER REPLACEMENT (LF1) . |
| 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, resonator, if equipped, or muffler. Refer to EXHAUST MUFFLER REPLACEMENT (LAU) or EXHAUST MUFFLER REPLACEMENT (LF1) . |