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Exhaust Noise

Exhaust Noise


Condition Action
Refer to Hot Exhaust System Warning . DEFINITION: buzzing, creaking, or humming sound. 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 prior to beginning this table.
Popping or hissing noise Exhaust leak-Refer to Exhaust Leakage .
Loud exhaust
1. Compare to a known good vehicle.

2. Inspect for a damaged or failed muffler or resonator, if equipped.

3. Replace the faulty muffler or resonator (if equipped). Refer to Exhaust Muffler Replacement (LAU) Exhaust Muffler Replacement (LF1) .


External rattle or vibration noise
1. Inspect for a bent or loose hanger, loose heat shield, or loose clamp.

2. Inspect for a exhaust pipe causing interference.

3. Repair or replace the affected component. Refer to the affected component's service procedure.


Internal rattle
1. Test the components by tapping with a rubber mallet to confirm a rattle.

2. Replace the faulty catalytic converter, resonator, if equipped, or muffler. Refer to Exhaust Muffler Replacement (LAU) Exhaust Muffler Replacement (LF1) .