TRANSMISSION THUMP

  • Tiny
  • asjmlj
  • 2006 Cadillac CTS
  • 6 CYL
  • 2WD
  • automatic
  • 50,000 miles

I hear a thump when my Cadillac CTS shifts from first to second (automatic). What could be causing this

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Tuesday, January 18th, 2011 AT 12:15 AM

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  • Tiny
  • factoryjack
  • Expert
  • 4,263 posts

Does it seem to be abnormal? Not knowing the severity of what your hearing, some 1-2 clunk noise was characteristic. You can check the front support bushing on the rear differential, it does split and can cause some extra clunk.

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Monday, January 31st, 2011 AT 4:45 AM

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