Listening to bearing noise
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Sometimes bearing noise is pretty easy to isolate. Other times it’s hard to distinguish exactly where it’s coming form. And sometimes you can hear it clearly on a test drive but when you raise it on a lift & take the load off the wheels the noise goes away. Usually the noise is still there when it’s not loaded but it’s now so quiet you can’t pick it up with your ear when the engines running. Here’s a device I use that almost always helps you zero on exactly where it’s coming form.