Diagnosis And Testing - Exhaust System Noises And Leaks
WARNING: This page is about a different car, the 2016 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.
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EXHAUST SYSTEM DIAGNOSIS CHART
| CONDITION | POSSIBLE CAUSE | CORRECTION |
|---|---|---|
| EXCESSIVE EXHAUST NOISE | 1. Leaks at pipe joints. | 1. Tighten flanges to specified torque at leaking joints. Refer to SPECIFICATIONS . |
| 2. Burned or blown out muffler. | 2. Replace muffler/tailpipe assembly. Refer to MUFFLER, EXHAUST, REMOVAL and TAILPIPE, EXHAUST, REMOVAL . Check exhaust system. | |
| 3. Burned or rusted-out exhaust pipe. | 3. Replace muffler/tailpipe assembly. Refer to MUFFLER, EXHAUST, REMOVAL and TAILPIPE, EXHAUST, REMOVAL . | |
| 4. Exhaust pipe leaking at manifold flange. | 4. Tighten connection attaching nuts. Refer to SPECIFICATIONS . | |
| 5. Exhaust manifold cracked or broken. | 5. Replace exhaust manifold. Refer to MANIFOLD, EXHAUST, REMOVAL, 5.7L . | |
| 6. Leak between exhaust manifold and cylinder head. | 6. Tighten exhaust manifold to cylinder head stud nuts or bolts. Refer to TORQUE SPECIFICATIONS . | |
| 7. Restriction in muffler or tailpipe. | 7. Remove restriction, if possible. Replace muffler or tailpipe, as necessary. | |
| 8. Exhaust system contacting body or chassis. | 8. Re-align exhaust system to clear surrounding components. | |
| LEAKING EXHAUST GASES | 1. Leaks at pipe joints. | 1. Tighten flanges. Refer to SPECIFICATIONS . |
| EXHAUST FUMES ENTERING INTO VEHICLE | 2. Quarter panel exhauster not sealing properly or broken | 2. Repair or replace the quarter panel exhauster. Refer to EXHAUSTER, QUARTER PANEL, REMOVAL . |