Excessive Noise
WARNING: This page is about a different car, the 2024 Jeep Grand Wagoneer L and 2024 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
| CONDITION | POSSIBLE CAUSES | CORRECTION |
|---|---|---|
| EXCESSIVE EXHAUST NOISE (UNDER HOOD) | 1. Catalytic converter cracked or broken. | 1. Replace catalytic converter. |
| 2. Catalytic converter to turbocharger leak. | 2. Tighten catalytic converter to turbocharger clamp and/or replace the clamp. | |
| 3. Pipe and shell noise from front exhaust pipe. | 3. Characteristic of single wall pipe. | |
| EXCESSIVE EXHAUST NOISE | 1. Leak at exhaust pipe joints. | 1. Tighten clamps at leaking joints. |
| 2. Burned or rusted out catalytic converter. | 2. Replace catalytic converter. | |
| 3. Burned or rusted out exhaust pipe. | 3. Replace exhaust pipe. | |
| 4. Burned or rusted out muffler. | 4. Replace muffler assembly. | |
| 5. Burned or rusted out exhaust tailpipe resonator. | 5. Replace exhaust tailpipe resonator. | |
| 6. Restriction in exhaust system. | 6. Perform Exhaust System Restriction Check. Replace component as necessary. | |
| 7. Converter material in muffler. | 7. Replace muffler and converter assemblies. Check fuel injection and ignition systems for proper operation. |