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Condition
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Action
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Refer to
Hot Exhaust System Warning
.
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.
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Misaligned or improperly installed exhaust system components
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•
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Ensure the exhaust hangers are in the proper locations and not loose.
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Exhaust leaks at the following connections:
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•
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Exhaust manifold to pipe
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Tighten the components to the specifications. Refer to
Fastener Tightening Specifications
.
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Seals or gaskets leaking;
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•
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Exhaust manifold to cylinder head
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•
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Exhaust pipes to exhaust manifold
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•
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Catalytic converter connection
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Replace the leaking seal or gasket. Refer to the affected components procedure for service.
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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.
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Catalytic Converter cracked or broken
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Replace the catalytic converter. Refer to
Catalytic Converter Replacement - Left Side (LF1)
or
Catalytic Converter Replacement - Right Side (LF1)
.
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Exhaust system component connection welds leaking
|
Replace the leaking component. Refer to the affected component's procedure for service.
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Muffler or resonator, if equipped, damaged or leaking at the seams
|
Replace the affected muffler or resonator, if equipped. Refer to
Exhaust Muffler Replacement (LAU)
Exhaust Muffler Replacement (LF1)
.
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