Conditions
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Action
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DEFINITION: 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, i.e. buzz, groan, hum.
Refer to
Symptoms - Engine Exhaust prior to beginning this table.
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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. |
Compare to a known good vehicle. |
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2. |
Inspect for a damaged or failed muffler. |
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External rattle or vibration noise
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1. |
Inspect for a bent or loose hanger, loose heat
shield, or loose clamp. |
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2. |
Inspect for an exhaust pipe causing
interference. |
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3. |
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. |
Test the components by tapping with a rubber
mallet to confirm a rattle. |
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2. |
Replace the faulty catalytic converter, or
muffler. Refer to one of the following procedures: |
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