Tahoe Z71 Whirring noise

Last post on Oct 16, 2009 at 5:50 AM

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#1 of 1 2004 Tahoe Z71 Whirring noise by ereddish Oct 16, 2009 (5:50 am)
About 2 weeks ago my tahoe started making a whirring noise. At first I thought transmission, but I'm pretty sure that's not it. My mechanic replaced the right wheel hub but that made no difference, the noise is still there. It almost sounds like a tire but I have 4 brand new Michelins with about 4K miles on them so a sudden whirring noise doesn't seem logical. The noise begins to be noticeable around 20 mph and then winds up with speed and winds down as I slow to a stop. The sound is not evident in neutral when I increase the engine rpms only when I'm rolling. Any advise? Thanks - Ernie

#1 of 1: 2004 Tahoe Z71 Whirring noise by ereddish; Oct 16, 2009 (5:50 am)

About 2 weeks ago my tahoe started making a whirring noise. At first I thought transmission, but I'm pretty sure that's not it. My mechanic replaced the right wheel hub but that made no difference, the noise is still there. It almost sounds like a tire but I have 4 brand new Michelins with about 4K miles on them so a sudden whirring noise doesn't seem logical. The noise begins to be noticeable around 20 mph and then winds up with speed and winds down as I slow to a stop. The sound is not evident in neutral when I increase the engine rpms only when I'm rolling. Any advise? Thanks - Ernie