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Never ending TCC mystery problem (4l80e)

Alsp remember if the tuner has the unlock tuned for to sensitive of a map signal reference it might be doing what it's told. I'm leaning towards manifold gaskets myself but faulty maf / map will screw with you and not set a code. Anything that senses load can get you. Will it re engage on lift...
- Boostvalve67
- Post #13
- Aug 28, 2021
- Forum: Transmissions
Newish transmission not working right.

so is there any kind of noise when the engine revs up before the catch? does it make any difference if the trans is in low range on take off hot or cold? also check if it makes any difference if its in 4wd high. I have seen the snap ring come off the output shaft in the transfer case that...
- Boostvalve67
- Post #13
- Aug 10, 2021
- Forum: Transmissions
0411 swap and possibly an intake swap for a common rail set up.

I have a 97 C2500 vin R 2wd that I'm getting ready to do the pcm swap. I've reached out to Lextec and haven't heard anything from him. He's probably busy as I have been with work but 1st is there any way to get in touch with him for the pin out he's done and second question for the group, I've...
- Boostvalve67
- Thread
- Aug 10, 2021
- Replies: 2
- Forum: 96+ Vortec Performance + Computer Swaps