Excessive Exhaust System Noise
WARNING: This page is about a different variant/trim than selected.
| CONDITION | POSSIBLE CAUSES | CORRECTION |
|---|---|---|
| EXCESSIVE EXHAUST NOISE (UNDER HOOD) | 1. Turbocharger housing cracked or broken. | 1. Replace the turbocharger. |
| 2. Turbocharger to cylinder head leak. | 2. Tighten the turbocharger and/or replace the gasket. | |
| 3. EGR Valve to manifold gasket leakage. | 3. Tighten the fasteners or replace the gasket. | |
| 4. EGR tube leakage. | 4. Tighten the fasteners or replace the gasket. | |
| 5. Cracked or catalytic converter housing or flange. | 5. Replace the catalytic converter assembly. | |
| EXCESSIVE EXHAUST NOISE | 1. Leak at exhaust pipe joints. | 1. Tighten the clamps at leaking joints. |
| 2. Burned or rusted out exhaust pipe or muffler assembly. | 2. Replace the exhaust pipe or the muffler assembly. | |
| 3. Burned or rusted out exhaust resonator. | 3. Replace the exhaust resonator assembly. | |
| 4. Restriction in exhaust system. | 4. Perform the Exhaust System Restriction Check. Replace defective component as necessary. | |
| 5. Converter material in muffler. | 5. Replace muffler and converter assemblies. Check fuel injection and ignition systems for proper operation. |