Posts Tagged: belt noise
Diagnose Serpentine Belt Noise Like a Pro
The Top Causes of Serpentine Belt Noise Quick summary Serpentine belt noise is always caused by one of three things: 1) A weak tensioner that’s not applying the correct tension, 2) Pulley misalignment, or 3) A worn belt that still looks good to the naked eye. The trick is knowing how to diagnose the entire belt-drive system rather than blindly replacing parts. In this guide, I’ll walk you through exactly how I track down belt noise in the shop and fix it correctly the first time. Article Serpentine Belt Noise: … Read More
Serpentine Belt squeals – Ford
Serpentine Belt squeals – Ford Serpentine Belt squeals on 1999 Ford Taurus with the 3.0L overhead valve engine, belt dressing doesn’t help. Belt dressing sprays a sticky layer of goop onto the belt and that stops the belt slip, but it’s only a temporary fix. It never corrects the underlying problem. Worse yet, the sticky spray picks up road grit and literally grinds up the pulleys, making the problem even worse. Start by replacing the belt. If it still slips, the problem can only be caused by a component that’s … Read More
Why You Should Never Use Belt Dressing to Stop Belt Noise
Why Belt Dressing Makes Belt Noise Worse Quick Summary If you’re hearing belt noise and thinking about reaching for a can of belt dressing, stop. Modern vehicles use EPDM serpentine belts that are designed to run dry. Belt dressing was created decades ago for older neoprene V-belts and is no longer recommended by belt manufacturers or automakers. In fact, belt dressing can damage modern belts, attract dirt, increase belt wear, contaminate pulleys, and hide the real cause of belt squeal. • Belt dressing is an outdated product designed for older … Read More