My bad hub bearing made more noise while turning but also had a noise while cruising. If you jack it up and pull the wheel off and spin it you can sometimes feel it. Pull the pads out of of the caliper and put the rotor/wheel back on and spin it freely and you might really be able to hear it.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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