Exhaust Noise: Definition

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An audible or physical noise may occur, due to a faulty component or damaged components causing a loose or misaligned exhaust system, resulting in a rattle or vibration noise, buzz, groan, hum. For possible cause and diagnosis, see EXHAUST NOISE DIAGNOSIS table.

EXHAUST NOISE DIAGNOSIS

Possible Cause

Check/Repair

Popping Or Hissing Noise

⁽¹⁾ Exhaust Leak

Loud Exhaust

Compare To Known Good Vehicle, Check for Failed Muffler Or Resonator. Repair Or Replace As Necessary.

External Rattle Or Vibration Noise

Check For Bent Or Loose Hanger, Heat Shield Or Failed Muffler. Check For A Exhaust Pipe Causing Interference. Repair Or Replace As Necessary.

Internal Rattle

Check Components By Tapping With A Rubber Mallet To Confirm Rattle. Replace Faulty Converter Or Muffler.

⁽¹⁾	See EXHAUST LEAKAGE.