Front wheel bearings

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  #1  
Old 09-29-04, 04:12 AM
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Front wheel bearings

I have a 94 Mercury sable wagon, 3.8, automatic transmission, 94500 miles. I have had to replace the front wheel bearings (4) times. Twice on passenger side and twice on driver side. Could this a symptom of an other problem? What would cause bearing to continually fail?
 
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Old 09-29-04, 11:50 AM
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misinstallation?

if your installer is using a big impact wrench...they may be damaging the bearings during assembly or over torqueing the axle nut. other than that...hub and bearing assemblies usually last quite a long time
 
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Old 09-29-04, 02:40 PM
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low quality bearings (often made in china) , bad lubrication at time of installation, even poor quality grease is a factor, and also, if there was any dirt or other contamination on the spindle (where the bearings are installed )
or nearby, that the new bearings can pick up and slowly eat away against.
Bad installation job, as carguyinva said, is also a factor.
 
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Old 10-02-04, 12:33 PM
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Thanks for the information. It seem to start going bad by developling a knock on uneven pavement. The knock starts getting louder until the bearing is replaced.
 
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