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  1. Z

    Ugh, did I screw up my transmission fixing a pan leak?

    Happy Ending! I am thinking the filter was the problem. Wow, what a relief! Upon putting everything back, the transmission works like normal again! Getting ready for a long drive to put it for another test. Thanks to all those who helped!
  2. Z

    Ugh, did I screw up my transmission fixing a pan leak?

    Fully removed pan after clearing steering linkage. Upon visual inspection, all wire connectors seem secure and tight. Fluid looks very clean (just changed 5k miles ago). No metal bits in the fluid. The one concern is one of the modules (unsure what it is) is loose compared to the one next to...
  3. Z

    Ugh, did I screw up my transmission fixing a pan leak?

    Dropped filter out of the intake port. Filter was not in the intake port when I dropped pan, so this may very well be it. But would that cause the transmission to immediately not engage? I guess if there is a sensor that notices a reduction in fluid pressure then it shuts the rest off? I am...
  4. Z

    Ugh, did I screw up my transmission fixing a pan leak?

    Hey guys, I finally got back to this. The truck is parked on the street, so working on transmission while in the street was not an ideal situation. Out of shear hope, I tried again, and was in shock when the truck started moving when I put it in "Drive". It at least got my truck in a place I...
  5. Z

    Ugh, did I screw up my transmission fixing a pan leak?

    Thanks all, you are giving me hope! Now for the fun of pulling the pan off. I did post the video of the shift linkage in action. I am mostly going from Park all the way to 1, and then back.
  6. Z

    Ugh, did I screw up my transmission fixing a pan leak?

    I appreciate all the help all! I verified that both the truck and transmission are in park. I also tried to see if there were any other adjustments, but nothing. Now the transmission won't engage at all. Not even in Drive. The dashboard does indicate me shifting through the positions as I...
  7. Z

    Ugh, did I screw up my transmission fixing a pan leak?

    All, I have a 2001 Yukon XL with 4I60E transmission. I did a complete transmission flush about 5k miles ago and the truck has been doing great. The only issue was an oil leak from the pan. I finally decided to go at the leak and lowered the pan. I couldn't get the pan completely off, but was...
  8. Z

    Yukon stored for 10 years. How to bring back to life?

    I had to check after reading your response. Transmission fluid from dipstick is more of a dull pink versus the bright red/pink of the stain. See picture. I then examined closer under the vehicle. Strange. There are still droplets orange in color, but when I wiped them they look bright...
  9. Z

    Yukon stored for 10 years. How to bring back to life?

    Wow, thanks all for the great information. A lot of great ideas. As others indicated my first step is to get all the fluids changed. I tried siphoning the gas through the gas cap port with no luck. My next option was going under the vehicle and disconnecting the filler hose on the gas tank...
  10. Z

    Yukon stored for 10 years. How to bring back to life?

    Question for all here. I have a 2001 GMC Yukon Denali with 40k miles that was left unused for last 9-10 years. It was running before it was no longer used (and stored in a garage). What do I need to do to get it running again due to the time left unused? - New battery - Replace gas. (Do I...

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