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2003 sport trac growling noise in 4X4 only

Tiny
CDIDDY49
  • MEMBER
  • 2003 FORD EXPLORER
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 114,000 MILES
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
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Tuesday, March 3rd, 2015 AT 7:06 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,170 POSTS
Have you checked all differential bearings including the input shaft?
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Tuesday, March 3rd, 2015 AT 8:45 AM
Tiny
CDIDDY49
  • MEMBER
  • 2 POSTS
NO I GUESS THAT WOULD BE NEXT.
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Wednesday, March 4th, 2015 AT 8:17 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,170 POSTS
My GUESS (without being there) is you have a bad carrier bearing in the differential.
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Wednesday, March 4th, 2015 AT 11:06 AM

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