My car makes a humming noise, comes from the front end on 1996 Ford Explorer

It seems to quieten down making right hand turns.. have had the alingement and the tie rod sockets fixed 3 yrs ago

by in Seattle, WA on August 03, 2012
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1 answer
ANSWER by , August 03, 2012
I sounds like a wheel bearing. Does it get worse on left turns or when put into 4wd?