Wheel Bearings

1997 FORD EXPEDITION
220 MILES
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QANDA2009
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My driver's side wheel bearing is worn out. Been hearing a humming sound for about three weeks now.
1. How long can I go without changing it?
2. New ones cost about $600 (each)/used one for about $150 (from scrap yard). Can I make do with a used one? How do I know if it will last?
3. Can I just change the bearings, or do I need to change the flange aswell?
Mar 24, 2012 at 10:31 AM
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RASMATAZ
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-You can use the scrap yard bearings/race just make sure its in good condition.
Mar 24, 2012 at 11:58 AM
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QANDA2009
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how would i know that it's in good condition?
Mar 24, 2012 at 5:29 PM
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RASMATAZ
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Roughness-Your best is get the OEM Part
Mar 24, 2012 at 8:10 PM