2003 sport trac growling noise in 4x4 only

2003 FORD EXPLORER
114,000 MILES • 4.0L • 6 CYL • 4WD • AUTOMATIC
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CDIDDY49
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Sounds like front wheel bearing noise only happens in 4x4,checked transfer case is fine, rebuilt frt drive shaft,noise still there I know its not wheel bearing it only occurs in 4x4 its louder under excel leration
and gets quite when you let off gas
Mar 3, 2015 at 7:06 AM
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JACOBANDNICKOLAS
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Have you checked all differential bearings including the input shaft?
Mar 3, 2015 at 8:45 AM
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CDIDDY49
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NO I GUESS THAT WOULD BE NEXT.
Mar 4, 2015 at 8:17 AM
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JACOBANDNICKOLAS
  • CAR REPAIR CONTRIBUTOR
  • 110,190 POSTS
My GUESS (without being there) is you have a bad carrier bearing in the differential.
Mar 4, 2015 at 11:06 AM