Your Questions Answered By Our Experts

Why there's a metallic or almost bell sound "ringing" when accelerating?

A loose heat shield usually causes this sound in the exhaust system. When the vehicle accelerates, the heat shield vibrates and produces this sound. Gently shaking it, you can check to see if the heat shield is secure. You will need to have it replaced or repaired if it is loose. The metallic sound when accelerating can also be caused by a loose catalytic converter. The converter is bolted to the exhaust system and can become loose over time. You will need to have it checked and repaired or replaced if it is rattling. Another potential cause of a metallic sound when accelerating is a problem with the muffler. The muffler can develop holes or cracks that allow exhaust gases to escape. This can create a loud, metallic sound. If you suspect your muffler is the problem, have it inspected by a professional to see if it needs to be repaired or replaced.

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