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  1. NickTransmissions

    2011 Yukon Transmission?

    Both as P0741 will often set/store when the TCC system is presenting with impairment signs...As you know, once P0741 is triggered, the likelihood the trans requires overhaul increases dramatically. 'a priori, your TC is shot, needs to be replaced and given the extent of the contamination spread...
  2. NickTransmissions

    Help please.

    Yank the transmission out for overhaul, 3-4 clutch is wiped. Refer to my 4L60E Information thread for specifics on overhaul procedures, parts selection, tear down and inspection as well as hydraulics testing, diagnosis and repair.
  3. NickTransmissions

    P2723/ p0700

    Let us know what happens...
  4. NickTransmissions

    2020 transmission died with lots of noise

    I dont see them bad too often, to be honest though every now and again one will have a loose pinion or two. Same with the 6R80s and ZF units.
  5. NickTransmissions

    6.0 Swap Time!

    That sucks, man! Sorry to hear...
  6. NickTransmissions

    Possible TCC Failure

    The cooking radiator? What is that? Im referring to the main radiator that houses the transmission's internal-to-the radiator heat exchange unit. That's most likely clogged with all that ground-up metal. Same with the external trans cooler on the front of the radiator, if your vehicle is...
  7. NickTransmissions

    Possible TCC Failure

    You will most certainly need a new transmission...No one is going to do any more inspection on that unit than you have already done by dropping the pan, at least not without completely overhauling it. So I'd pull it, throw it on the tear down bench and take it completely apart. The unit will...
  8. NickTransmissions

    Possible TCC Failure

    Posts #16 & #19 are textbook examples for what torque converter failure looks like.
  9. NickTransmissions

    Possible TCC Failure

    Time to yank it out for overhaul. All that fine, ground up metal is everywhere inside the transmission as well as throughout the trans cooling system. Id replace the radiator and any external trans cooler currently installed. Here's a recent example of a converter disintegrating internally...
  10. NickTransmissions

    P2723/ p0700

    This sounds like a TEHCM issue, specifically clutch pressure control sol #5, stuck off. It can also be a cracked 1-2-3-4 piston which would produce the same symptoms (no forward movement in Drive or Manual). Where is the vehicle now?
  11. NickTransmissions

    Possible TCC Failure

    Won't know until you drop the pan but if you've caught it early enough no transmission damage will have been sustained...If the transmission is otherwise healthy by all indications then you can replace the TC without digging into the transmission but I'd def drop the pan before doing anything or...
  12. NickTransmissions

    Possible TCC Failure

    Drop the pan before you spend any money on fluid. If there's a whole bunch of fine, sand-like metal debris, burnt clutch material, etc put the pan back on with a few bolts and yank it out for overhaul. Otherwise, here is the 6L80 fill procedure
  13. NickTransmissions

    6.0 Swap Time!

    I am coming to the conclusion that, when considering the 4L60E, it's the luck of the draw in terms of how long they last...The primary failure factors are: 1. Casting quality of the valve body 2, Casting quality of the forward drum 3. Metal used in the sun shell The valve bodies exhibit wear...
  14. NickTransmissions

    6.0 Swap Time!

    Ok; odd that it has no warranty as most of their major powetrain components come with one. I also have several 4L60E Youtube videos including a step by step rebuild series along with numerous high performance tips/pointers videos so another resource for you if you need it. Good luck with the...
  15. NickTransmissions

    6.0 Swap Time!

    Sorry to hear, man...Sucks. @BlackBearPerf 's tune had nothing to do with it, PCM/TCM programming doesn't cause a mechanical melt-down as described. If your pan looks like the one below (Chrysler A904 pictured) with sand dunes of metal matter, it was the torque converter... The transmission is...
  16. NickTransmissions

    2016 TAHOE PPV new trans and tune

    What parts are upgraded, per each transmission (rebuilt, Trans America) and what are the specific upgrades?
  17. NickTransmissions

    Transmission not going into gear

    Thanks, man...Let me know if you have any more questions.
  18. NickTransmissions

    Transmission not going into gear

    Gotcha...Check/research shops in your area. Ask them exactly what parts they replace, what they check for defects (valve body, pump, forward drum, along with warranty options. Compare that to my list in that 4L60E info thread for reference... I wouldn't go with any one offering less than a...
  19. NickTransmissions

    Transmission not going into gear

    You're welcome...Are you going to rebuild it yourself? If so, check out my 4L60E information thread (link is in my signature line) where I have tons of info, video instruction, links to addl resources and guidance. I estimate that you'll have to shell out roughly the same amount of money in...
  20. NickTransmissions

    Transmission not going into gear

    Did you lose all forward movement when in "Drive" and had to put it in manual low, upshift to manual 2nd to limp it home? If so, It's def not minor unless you can yank the unit and rebuild it yourself. If so, then you'll save quite a bit of money, some of which can be spent on choice upgrades...
  21. NickTransmissions

    GM 6L80 Transmission Information Thread

    You're welcome. If you get it diagnosed and swapped out quickly you might get lucky but it's not something count on or do. Id overhaul it and install an upgraded converter. Once the converter starts shuddering/slipping, especially on a unit with 90k, it's usually due to wear elsehwere or the...
  22. NickTransmissions

    GM 6L80 Transmission Information Thread

    Converter is breaking bad on you. Plug in a bidirectional scan tool and monitor trans and converter data, particularly shift speeds and tcc duty cycle in combo with tcc slip speed...tcc slip > 10 rpm or so at high duty cycle (40+ mph, especially) indicates slipping clutch or stator...Either...
  23. NickTransmissions

    2016 Tahoe Trans failure

    What exactly are they doing to the transmission? What parts are replaced, what hydraulic correction kits used? What will be done with the pump and 3-5-R drum? Upgradsd torque converter (upgraded = .070 thick borg warner high energy TCC vs woven style .022 POS)? For that quote to have any...
  24. NickTransmissions

    2016 TAHOE PPV new trans and tune

    In the off-chance you read this, you'll need to have the THECM (the transmission's control module) programmed per the operating software version that was loaded at the factory for your vehicle. That can be cross-referenced by way of the last 8 digits of the VIN and part number on the TEHCM...
  25. NickTransmissions

    2022 Tahoe Premier – New Transmission Needed at 8100 miles (under warranty)

    Why would a rebuilt 10L unit, assuming it was properly overhauled, be a shot in the dark? I'm likely going to start rebuilding these transmissions within the next year so am interested to hear your reasons for saying that.

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