2005 Classic; premature wheel bearing hub wear?

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  #1  
Old 02-16-09, 08:43 PM
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2005 Classic; premature wheel bearing hub wear?

It appears that my 2005 "Classic" with 46k miles has two bad bearing hubs. I believe that is the correct term. I just noticed this yesterday.

There is a distinct whin/mild grinding noise that seems to be coming from both sides. The difference being, the left side noise will be reduced if I turn the wheel slightly to the left. The right side is unaffected by turning either way. It 'whins' in any direction. This is noticeable above 15-20 mph. It has gotten worse the next day after I first noticed this.

46k miles seems early, but more so, the fact it is both sides.

Anyone know of any issues with these or the former Malibu's?
 
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  #2  
Old 02-17-09, 08:01 PM
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Those hubs are common for going bad. Sometimes just 1 bad hub can sound like both.
 
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Old 02-18-09, 08:30 AM
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Went for a test drive and the mechinic seems to think it is both also.

I did a little research and the torque ratting for the axle shaft nut and the bolts is important. Apparently GM has reduced the spec over the years from close to 300 ft/lbs to as little as 116 ft/lbs depending on the vehivle.
 
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