Recent content by Maatttyyy12
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**(FIXED)** 2016 gmc Yukon 6l80 issues after rebuilding
Yes I am actually all for that. I would love to actually see the cause of failure for it to make it slip in reverse,1st,2nd, and 5th. I went down a rabbit hole of looking for bad stator sealing rings, bad teflon rings, cracked 35r, torn lip seal. All because of the tehcm. I do believe when the...- Maatttyyy12
- Post #13
- Forum: Engine & Drivetrain
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**(FIXED)** 2016 gmc Yukon 6l80 issues after rebuilding
Yes I do have it. It was my understanding that they rarely go bad. The weird thing is my unit threw no codes at all, so it was a hard thing to diagnose. I just knew that I had replaced all common failure points and the tehcm was the last thing. I also have a core 6l80 that I was planning on...- Maatttyyy12
- Post #11
- Forum: Engine & Drivetrain
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**(FIXED)** 2016 gmc Yukon 6l80 issues after rebuilding
I appreciate your welcoming and I do plan on visiting this forum and trying to help others out when needed! Where should I post photos of my family hauler? Very new to the whole forum thing in general. Thanks again!- Maatttyyy12
- Post #8
- Forum: Engine & Drivetrain
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**(FIXED)** 2016 gmc Yukon 6l80 issues after rebuilding
Nick ended up being the tehcm. I replaced it last night at 1 am with one that had the identical part number, resets the shift adapts and she is shifting and holding every gear absolutely perfect now. But yes I did mean diaphragm and seals just mis worded it. Now I feel confident in having to...- Maatttyyy12
- Post #6
- Forum: Engine & Drivetrain
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**(FIXED)** 2016 gmc Yukon 6l80 issues after rebuilding
Yes I forgot to add that to the post but I did that as well.- Maatttyyy12
- Post #3
- Forum: Engine & Drivetrain
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**(FIXED)** 2016 gmc Yukon 6l80 issues after rebuilding
Hey guys, long story short I’m at end of road here with this 6l80. I’m very mechanically inclined and have my own shop but do not dabble in transmissions much. I bought a 2016 Yukon with a bad 6l80. Thing was smoked, I decided to rebuild it my self. This is a family hauler for kids and wife...- Maatttyyy12
- Thread
- Replies: 13
- Forum: Engine & Drivetrain
