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How can I tell if a serpentine belt is bad?

September 27, 2021

Beyond looking at the belt directly for physical signs of damage – such as swelling, cracks, or disfiguration – pay attention to how your car is functioning. Noise is often a telltale sign of a bad belt, as is an issue with your power steering or a/c. Your vehicle could even overheat due to a bad or worn belt.