WHAT IS CAUSING THE REAR SEAL IN MY TRANSMISSION TO KEEP BREAKING?

  • Tiny
  • tonymilln
  • 1981 Oldsmobile Regency
  • 200,000 miles

I had the transmission rebuilt, the drive shaft rebuilt and a new yoke installed to prevent excessive movement from breaking the rear seal. A few days later, the rear seal is broken again and the transmission is leaking. What is causing the rear seal to keep breaking?

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Thursday, March 15th, 2012 AT 2:40 PM

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  • Tiny
  • merlin2021
  • Expert
  • 17,587 posts

Tranny mount, or out of balance driveshaft.

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Thursday, March 15th, 2012 AT 2:56 PM

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