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1994 Cadillac Concours bad front seal leak

Tiny
GHOSTFLAME57
  • MEMBER
  • 1994 CADILLAC DEVILLE CONCOURS
  • V8
  • FWD
  • AUTOMATIC
  • 129,000 MILES
I just want to check to see if theres a seal of some sort thats inside the trans behind the front seal before I put the trans back in with just replacing the torkconvertor seal. I see no cracks in case. Also can a clogged tranny cooler cause only a front seal leak
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Wednesday, September 29th, 2010 AT 7:00 PM

1 Reply

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
There are seals inside behind the front seal, but they are for internal TCC hydraulic circuits. You would not have an external leak issue with them. There is a seal on the stator support to case(the part that the converter hub seal is installed), a square cut o-ring. It should not be a leak under pressure. I wouldn't suspect a clogged cooler to cause a front seal leak, it should have no noticeable effect on pressure, most noticeable would be signs of transmission overheating.
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Wednesday, September 29th, 2010 AT 10:52 PM

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