Condition | Action | ||||||||||||
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Caution: Refer to Hot Exhaust System Caution in the Preface section. DEFINITION: An exhaust leak may show stains at the area of the leak. The leak may be felt by holding a hand close to the suspected areas or using a smoke pencil. The leak may make a popping or hissing noise. Refer to Symptoms - Engine Exhaust prior to beginning this table. | |||||||||||||
Misaligned or improperly installed exhaust system components |
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Exhaust leaks at the following connections:
| Tighten the components to the specifications. Refer to Fastener Tightening Specifications . | ||||||||||||
Seals or gaskets leaking:
| Replace the leaking seal or gasket. Refer to one of the following:
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Irregularities at the mating surfaces on the flange connections | Repair as required or replace the affected component. Refer to the affected components procedure for service. | ||||||||||||
Exhaust manifold cracked or broken | Replace the exhaust manifold. Refer to one of the following:
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Exhaust system component connection welds leaking | Replace the leaking component. Refer to the affected component's procedure for service. | ||||||||||||
Muffler or resonator, if equipped, damaged or leaking at the seams | Replace the affected muffler or resonator, if equipped. Refer to Muffler Replacement . |