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  1. R

    RPM Fluctuation

    I forgot to mention, on stock tune, it was worse than when I put my AFM delete and 93 octane tune on. It was severely reduced with the latter as mentioned in my last post. I'd have to reach out to 5-star tuning for them to adjust that tune for me, but I was hoping to go with Blackbear this time...
  2. R

    RPM Fluctuation

    Update for everyone. It seems that the issue has only been suppressed with this most recent fix. While I will still get some RPM fluctuation, it's not a repeatable as before. I'm thinking it might be a torque converter at this point. Like I said, It's hard for me to "try" and make the RPMs jump...
  3. R

    How to tell if a Tahoe is an LS or LT?

    Not sure if this any help, but here is the production schedule from GM for 2001
  4. R

    RPM Fluctuation

    Sorry for the long delay. I just got my Hoe back from the Trans shop today. My guy was super backed up and had me on hold for a couple of weeks. He wound up replacing the TCC Valve with the Sonnax unit. Not sure if one of y'all had mentioned that specific unit, but that's what was put in. I've...
  5. R

    RPM Fluctuation

    I'll definitely be looking forward to those videos. I have a buddy who's a little bit more savvy with trans related work. Going to see if I can't get him to help me out sometime this week. This gives me a good direction to follow though. Again, I really appreciate the guidance. I'll be posting...
  6. R

    RPM Fluctuation

    Oh boy okay. I'm not mechanically inclined enough to pull a whole trans out, so it seems like there's only a few things I can do/check by only pulling the pan. From your previous post, these seem like the things I can do: "pull the VB assembly and internal transmission harness/TCC lock up...
  7. R

    RPM Fluctuation

    Sorry for the delay gentlemen. I only got around to doing the road trip part of the suggestions this weekend. I'm including a link to a video of 5 minutes of autel data I recorded. Sorry if it's a little sloppy. I didn't want to take the camera off the autel so that we could see everything that...
  8. R

    RPM Fluctuation

    You're a saint. You've given me some work to do. Very busy at work the next couple of days. I will doing all my testing on Thursday or Friday. I will report back with my findings and any images I might be able to provide. I will be checking back in on this thread in between though. Expect to...
  9. R

    RPM Fluctuation

    Yes, sorry gentleman. Had to hit the sack early last night and was up early this morning on an 8 hour road trip. This is my first time back on the computer. It is indeed a 4L60E. Thanks for hopping in trying to help.
  10. R

    RPM Fluctuation

    No rush, take your time. I appreciate any and all help.
  11. R

    RPM Fluctuation

    My man @NickTransmissions , the knight in shining armor. I'll be patiently waiting.
  12. R

    RPM Fluctuation

    You would be correct. I look forward to hearing your insight. I probably should've mentioned this earlier, but I do have access to a Tech-2 scan tool.
  13. R

    RPM Fluctuation

    I'm not really towing with her anymore, so I haven't been as strict with my changes as I once was. And I just hit the 30k mark which is the max I would usually go, but again just commuting now a day 70/30 highway/city. I'll be giving them a call later today and see what insight they can provide.
  14. R

    RPM Fluctuation

    It was an independent transmission shop here in North Jersey. They're reputable here in the area and I was referred to them by other mechanics/customers. I have to see if I can dig up the RO or maybe I can call them and they'll have one on file. M&O Transmission in Mine Hill, NJ if anyone cares...
  15. R

    RPM Fluctuation

    You've been very helpful. Thank you for the insight. Here I was thinking it was something stupid like an intake manifold gasket or something off with the TPS.
  16. R

    RPM Fluctuation

    In your guys' experience/opinion, does this sound like something that can be suppressed/stopped from getting worse, or is this a torque converter replacement type deal?
  17. R

    RPM Fluctuation

    I very well could've exaggerated that as this has been going on for months now and I'm just now trying to resolve it. I'll edit the OP to not confuse others who might have this issue. I have not tried locking in first gear to try and replicate. When it happens like I showed in the video: 45ish...
  18. R

    RPM Fluctuation

    I'll try and remember to do some more testing tomorrow, but generally, when I start manipulating things manually like locking the trans in 2nd or 3rd gear I can't replicate it. I have not tried tow haul mode yet, but I know for certain when going up a slight incline I have used tow haul mode so...
  19. R

    RPM Fluctuation

    https://vimeo.com/907275691?share=copy Here's a video of what's going on as well as some stats I was able to pull up on my limited scan tool. Nothing seems out of the norm, but please tell me if I'm wrong. I tried to keep everything as steady and consistent as possible. TB was cleaned this past...
  20. R

    RPM Fluctuation

    Definitely going to see if my scanner has that and if I can do that right now, but would that explain why it goes away at temp?
  21. R

    RPM Fluctuation

    I haven't been able to find anyone with a similar issue to me in the threads. I have an 07 LTZ Hoe with the 5.3. I've run into an issue where until my oil temp hits about 190-200, while at about 10-25% throttle and at most any speed/rpm, I will get a 200-400 consistent up and down fluctuation in...
  22. R

    How many miles did you get out of your original Transmission?

    right around 198,000 miles on my 2007 before a rebuild. The 2-4 band went on mine, not sure the state of the clutches though. They could've still been good had it not been for that band.
  23. R

    OEM Intake Manifold gaskets, new in package, 89060413

    are these still available?
  24. R

    Plugs, wires, possibly injectors

    Sorry for the delayed response, but I'm getting around 11.2-11.6mpg around town and 14.7-16 highway. round town I'm guilty of a little bit of a heavy foot, but on highway trips I'm either on cruise control or just driving along. I recently did a 1000 mile journey and I average around 15.9. To me...
  25. R

    Plugs, wires, possibly injectors

    Thank you for your help. any insight on the injectors? My hoe kind of has a rough cold start, like its not getting enough fuel from the get go. Just replaced the fuel pump. Plugs and wires were my next go and then injectors if need be.

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