6l80

  1. Scrappycrow

    Running A CVC BU60FHD Converter with Zeroed-Out Clutch Slip Target -- Any Advice/Experience?

    Y'all, I will be doing a number of reliability changes/upgrades soon, including disabling AFM and prophylactically replacing the torque converter & installing a Sonnax Zip Kit. I'm leaning towards a CVC BU60FHD converter, as recommended by many here. For those who are running this...
  2. Y

    2014 Tahoe transmission

    Hi all, I have Tahoe 2014 with 6L80 Base on this website transend.us, I don’t know how I can verify it. The transmission is slipping and I have been told by transmission shop that it’s the torque convertor. I drove it home and I got the code P0797-00, should I try to replace the convertor if I...
  3. T

    6l80 flares, thunks cold upshifts

    I’ve read thru the 6l80 threads but haven’t seen anything exactly like what I’m seeing with my 2009 Yukon Denali XL. The truck has just under 164k miles. 1. When cold and under light throttle or if I have to lift throttle slightly just before a 1-2 or 2-3 up shift, the transmission will shift...
  4. denalilex

    is anyone with a tech2 local to Philly area ?

    hey everyone i’m just about to finish up a bit of work on my trans that i’m sure most are familiar with … i’ve got an 07 gmc yukon denali 6.2 v8 AWD with the 6L80… it’s absolutely plagued with the 2-3 that feels like you could break your neck - but the rest of the shifts are smooth. 3-4...
  5. 2011DenaliInKY

    11' Denali - DOD survivor, but now transmission shot?!?!

    Howdy Everyone! This is my first post here, glad to see a group of people sharing knowledge! I've got a 2011 GMC Yukon Denali with the 6.2L and 6L80 transmission. I recently suffered a collapsed intake lifter on the #1 cylinder, but was able to get it freed up using a special tool I learned...

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