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Front wheel bearings


Cre2002's Avatar
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Join Date: Jan 2002
Posts: 49

09-29-04, 04:12 AM   #1  
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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carguyinva's Avatar
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Join Date: Nov 2003
Posts: 1,147
VA

09-29-04, 11:50 AM   #2  
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

 
markthehermit's Avatar
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Join Date: Feb 2004
Posts: 64

09-29-04, 02:40 PM   #3  
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.

 
Cre2002's Avatar
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Join Date: Jan 2002
Posts: 49

10-02-04, 12:33 PM   #4  
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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