Exhaust Noise
WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
| 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 (buzz, groan, hum). |
| Popping or hissing noise |
Exhaust leak. Refer to Exhaust Leakage . |
| Loud exhaust |
- Compare to a known good vehicle.
- Inspect for a damaged or failed catalytic converter, muffler, or resonator.
- Replace the faulty catalytic converter, muffler, or resonator. Refer to one of the following:
- Catalytic Converter Replacement
- Catalytic Converter Replacement - Left Side (LY7)
- Catalytic Converter Replacement - Right Side (LY7)
- Exhaust Muffler Replacement (LNJ) or Exhaust Muffler Replacement (LY7)
|
| 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, muffler, or resonator. Refer to one of the following:
- Catalytic Converter Replacement
- Catalytic Converter Replacement - Left Side (LY7)
- Catalytic Converter Replacement - Right Side (LY7)
- Exhaust Muffler Replacement (LNJ) or Exhaust Muffler Replacement (LY7)
|