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  1. J

    Transmission Leak

    Yes, disengaged the speedo cable, comes off simple like a screw top bottle. Didn't see a small o-ring on the shaft & wondered about that. Guess I will look more into that once i'm settled. Didnt lose much fluid, several ounces. The yoke questions are getting beyond my knowledge / experience...
  2. J

    Transmission Leak

    Mike, these are the part #s for my 83 gmc c1500 with the 700R4 tranny: GM Genuine Parts 1358899 Automatic Transmission Case Extension Seal GM Genuine Parts 8673526 Automatic Transmission Rear Output Shaft Seal
  3. J

    Transmission Leak

    Meant to edit, i replaced the rear seal and as recommended, the tail shaft o-ring.
  4. J

    Transmission Leak

    Sorry for the delay, I'm in the process of moving and it has been a tough week. It seems the seal is holding with no leaks. I replaced the large o-ring that surrounds the housing where it mates with the tranny. My truck / tranny has 105k miles. I saw no o-ring on the output shaft near the...
  5. J

    Transmission Leak

    Hey Mike- I just finished a similiar repair on my 83 gmc c1500. Bextreme is spot-on with his info. I pulled the tailshaft extension housing, (4) 1/2" bolts (reinstall at 35 ft lb) I got a kit off amazon, bushing and seal for 12$. The housing o-ring was harder to find, but I after some effort got...

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