Exhaust System
EXHAUST SYSTEM DIAGNOSIS CHART
| CONDITION | POSSIBLE CAUSE | CORRECTION |
|---|---|---|
| EXCESSIVE EXHAUST NOISE OR LEAKING EXHAUST GASES | 1. Leaks at pipe joints. | 1. Tighten clamps/bolts at leaking joints. |
| 2. Rusted or blown out muffler. | 2. Replace muffler. Inspect exhaust system. | |
| 3. Broken or rusted out exhaust pipe. | 3. Replace exhaust pipe. | |
| 4. Exhaust pipe leaking at manifold flange. | 4. Tighten/replace flange attaching nuts/bolts. | |
| 5. Exhaust manifold cracked or broken. | 5. Replace exhaust manifold. | |
| 6. Leak between exhaust manifold and cylinder head. | 6. Tighten exhaust manifold to cylinder head bolts. | |
| 7. Catalytic converter rusted or blown out. | 7. Replace catalytic converter assembly and gasket. | |
| 8. Restriction in exhaust system. | 8. Remove restriction, if possible. Replace restricted part if necessary. | |
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CAUTION:
When servicing and replacing exhaust system components, disconnect the oxygen sensor connector(s). Allowing the exhaust to hang by the oxygen sensor wires will damage the harness and/or sensor. |
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