Exhaust Noise
| Condition | Action |
|---|---|
| WARNING: Refer to Hot Exhaust System Warning . 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 muffler or resonator, if equipped. Replace the faulty muffler or resonator (if equipped). Refer to Exhaust Muffler Replacement (NB5) , Exhaust Muffler Replacement (NEA/NED or N10) . |
| 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 (NB5) and Exhaust Muffler Replacement (NEA/NED or N10) . |
| WARNING |
|---|
| Refer to Hot Exhaust System Warning . |
Exhaust Noise