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Problem
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Action
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Warning
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While engine is operating, the exhaust system will become extremely hot. To prevent burns avoid contacting a hot exhaust system.
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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
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Misaligned or improperly installed exhaust system components
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Align and tighten the components to the specifications. Refer to
Fastener Tightening Specifications
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Exhaust leaks at the following connections:
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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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Exhaust manifold to cylinder head
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Exhaust pipes to exhaust manifold
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Catalytic converter connection
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AIR connections to the exhaust manifold or cylinder head
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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
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Repair as required or replace the affected component. Refer to the affected components procedure for service.
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Exhaust manifold cracked or broken
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Replace the exhaust manifold. Refer to
Exhaust Manifold Replacement (Diesel)
Exhaust Manifold Replacement (LDK/A20NHT)
or
Exhaust Manifold Replacement - Left Side (LAU/A28NER)
or
Exhaust Manifold Replacement - Right Side (LAU/A28NER)
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Exhaust system component connection welds leaking
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Replace the leaking component. Refer to the affected components procedure for service.
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Muffler or resonator, if equipped, damaged or leaking at the seams
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Replace the affected muffler. Refer to
Exhaust System Replacement (LDK/A20NHT - FWD)
Exhaust System Replacement (LAU/A28NER)
Exhaust System Replacement (LDK/A20NHT-AWD, LAU/A28NER-AWD )
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