Condition
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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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EXPLANATION: buzzing, groaning or humming noise. An audible or physical noise due to a faulty component or damaged components causing a loose or misaligned exhaust system resulting in a rattle or vibration noise.
Refer to
Symptoms - Engine Exhaust
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Popping or hissing noise
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Exhaust leak-Refer to
Exhaust Leakage
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Loud exhaust
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1.
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Compare to a known good vehicle.
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2.
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Inspect for a damaged or failed muffle
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External rattle or vibration noise
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1.
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Inspect for a bent or loose hanger, loose heat shield, or loose clamp.
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2.
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Inspect for a exhaust pipe causing interference.
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3.
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Repair or replace the affected component. Refer to the affected component's service procedure.
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Internal rattle
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1.
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Test the components by tapping with a rubber mallet to confirm a rattle.
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2.
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Replace the faulty catalytic converter, or muffler. Refer to one of the following procedures:
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