Posts Tagged: squeaky belt noise fix

How to Find the Cause of Serpentine Belt Noise

The Most Common Causes of Belt Noise Quick Summary If you’re hearing belt noise, don’t assume the serpentine belt is bad. In my experience, the most common causes are a weak automatic belt tensioner, pulley misalignment, worn pulley bearings, or a belt that’s worn even though it looks perfectly good. The key to a permanent squeaky belt noise fix is diagnosing the entire belt drive system—not simply replacing the belt or trying to spray a belt to stop noise. In this guide, I’ll show you the same diagnostic process I’ve … Read More