Recent content by usaf27

  1. U

    Fixed:Everyone’s fav topic: 6l80 issues

    Don’t give up. I have faith in you!
  2. U

    2015 Tahoe LTZ - intermittent brake assist loss at low revs - vacuum pump?? - SOLVED

    I have a 2016 burb. I had this exact same issue. Hard brake pedal press. It would happen when backing up to park and drive throughs. I replaced the vacuum pump (mine as well replace the belt) and this fixed it. At one point I had a bad wheel bearing too and thought that was causing some sort of...
  3. U

    Independence Day Sale!

    I’ll be on the look out :)
  4. U

    GM Reman 6L80 Transmission - new TBV?

    Make no assumptions. Request that it be done. Also, get yourself a tune from Black Bear Performance. I went with this TBV as I feel it’s better than the flip the pill solution. https://superiortransmission.com/product/superior-stl010/
  5. U

    Idea On Cost To Replace 5.3 Engine? 2015 Yukon XL

    Have another well known mechanic look at it.
  6. U

    2016 Burb - New Built 6L80 and Circle D Converter going In Soon

    After 8,000 miles I conducted the first transmission service. I wanted to do it sooner but life wouldn’t let me. Lol. Here’s some pictures of what the fluid looks like after 8,000 miles on the new rebuild. Looks pretty typical to me. I use the Penzoil LV multi-vehicle ATF Full synthetic fluid.
  7. U

    2016 Suburban Rear AC blowing Warm

    I never messed with any of the rear AC components. I only replaced the front Condenser and Compressor as I saw leaks (dye) coming from both. After that I vacuumed the system in which it had held a successful vacuum. I’ll take a look at the rear AC evap and check that out first. Thank you...
  8. U

    2016 Suburban Rear AC blowing Warm

    Howdy all. I’ve got a 2016 Suburban. Last year I replaced the AC Condenser and Compressor due to my entire AC system not blowing cold air. I recharged it all properly and AC was working great. Now just the rear vents will not blow cold air. Where should I look for this issue? Just...
  9. U

    Circle D TC 1800-2000 or 2200-2400 Stall ?

    I put the 1800-2000 stall converter in. So far it’s been great. I had to have Black Bear Performance tune it though.
  10. U

    2016 Burb - New Built 6L80 and Circle D Converter going In Soon

    Alright. I didn’t want to leave this post without any conclusions. Last week I got a base tune from BBP. Which made big improvements. The shudders and TCC slip are almost nonexistent. It appears the more I drive the better it’s getting. So not sure if the transmission is still learning or...
  11. U

    2016 Burb - New Built 6L80 and Circle D Converter going In Soon

    @BlackBearPerf AutoCal received and tune files sent over to you. Hoping to get this driveable and seeing if the TCC improves! Thanks!
  12. U

    2016 Burb - New Built 6L80 and Circle D Converter going In Soon

    @BlackBearPerf Autocal has been ordered.
  13. U

    2016 Burb - New Built 6L80 and Circle D Converter going In Soon

    @mikeyss That’s unfortunate. Did you happen to ever run that Circle D converter without a Black bear tune? If so, I’m curious if you had the same issue in having with the a slight shudder and converter not locking up when it should. Thanks!
  14. U

    2016 Burb - New Built 6L80 and Circle D Converter going In Soon

    Thanks for the insights. Was your original trans all stock with a BB tune?
  15. U

    2016 Burb - New Built 6L80 and Circle D Converter going In Soon

    Haha. Discussing this right now in my head.
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