Driveshaft noise

Tiny
RANDY66
  • MEMBER
  • 2001 DODGE RAM
  • V8
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
I HAVE A LOW ROAR NOISE COMING FROM MY DRIVESHAFT ON MY 2001 DODGE 1500 EXT. CAB WITH 360ci eng.
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Wednesday, July 13th, 2011 AT 7:16 PM

8 Replies

Tiny
DOCFIXIT
  • EXPERT
Suspect U joint check them for play
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Wednesday, July 13th, 2011 AT 8:17 PM
Tiny
CARADIODOC
  • EXPERT
I guess I'd suspect a noisy pinion bearing in the differential first. A tool that might help is called the "Chassis Ear". That is a set of six microphones, a switch box, and head phones. You switch between the microphones and listen while you drive to hear which one is closest to the source of the noise. You might be able to borrow this tool from an auto parts store that rents or borrows tools. Be aware that many mechanics have never seen or even heard of it, but most new car dealers have them.

Put one microphone on the differential, one on the tail housing of the transmission, and if you have a two-piece drive shaft, put one on the center bearing too.
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Wednesday, July 13th, 2011 AT 8:23 PM
Tiny
CARADIODOC
  • EXPERT
Hi Docfixit. Stupid me. I went for the hard stuff first and totally forgot about the more common u-joints. Good thing you were here!
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Wednesday, July 13th, 2011 AT 8:24 PM
Tiny
DOCFIXIT
  • EXPERT
Thats O.K. If Ujoints check out at least have another option
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Wednesday, July 13th, 2011 AT 8:29 PM
Tiny
RANDY66
  • MEMBER
Will this bearing noise resinate through the driveshaft
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Wednesday, July 13th, 2011 AT 8:35 PM
Tiny
DOCFIXIT
  • EXPERT
Pinion bearing will be heard at Diff if coming from Dshaft then Ujoint. Do you hear any pinging noise or crackling when going from park to drive. Also D shaft if dented or bent will roar
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Wednesday, July 13th, 2011 AT 8:38 PM
Tiny
RANDY66
  • MEMBER
There is a clunking noise going into reverse
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Wednesday, July 13th, 2011 AT 9:04 PM
Tiny
DOCFIXIT
  • EXPERT
Remove D shaft check needle bearings suspect they are pulverized
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Thursday, July 14th, 2011 AT 3:39 PM

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