I’ve got a 2017 limited with 64k miles that just had a transmission totally fail. Has anyone else seen this happen? I’ve averaged less than 10k miles per year and don’t tow anything. Dealership says I am 4k miles outside of powertrain warranty so nothing they can can do.

  • Thisiscliff@alien.topBEnglish
    1·
    11 months ago

    Sometimes a dealership will do “goodwill” paying half or more, it’s worth inquiring or calling GM and seeing, sometimes they will help. Do you regularly service at the dealer?

  • fediverser@alien.topEnglish
    1·
    11 months ago

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  • Redgmt900@alien.topBEnglish
    1·
    11 months ago

    My in laws transmission was going bad at under 40k miles but the truck is from 2017. He replaced the torque converter and changed out the fluid in hopes it doesn’t go bad.

  • SwordfishTrue8081@alien.topBEnglish
    1·
    11 months ago

    Very common unfortunately. I believe the main cause of failure in these are the torque converter and the thermostat valve.

    Change fluid every 40k and that thermostat valve. The valve can stick and cause the transmission to cook itself.

  • TimelyFortune@alien.topBEnglish
    1·
    11 months ago

    It’s a 2017 you’d be out of powertrain warranty regardless of mileage due to time. Did you get your transmission fluid changed at 45k?

  • xrftester@alien.topBEnglish
    1·
    11 months ago

    In october of 2023 I spent 4,500 dollars to install a Jasper remainufactured transmission in my 2018 gmc yukon SLT with 116,000 miles on it. We bought the car used with 80k miles. It had supposedly just been properly serviced (lies) The trans pan was full of metal, and the fluid was almost black.

  • Its_Ace1@alien.topBEnglish
    1·
    11 months ago

    Not a new problem. My father had a 2007 Acadia go out at 58k miles. So common. They might cover it for you if there’s a service bulletin for it

  • 9fmaverick@alien.topBEnglish
    1·
    11 months ago

    Call GM since you are close enough to warranty and see if you can escalate to get an exception. They might honor the warranty still, worth a try

  • SuckaMc-69@alien.topBEnglish
    1·
    11 months ago

    Yes, me and a few other guys I know. We all had shift kits added during the repairs. The transmission repair center told me it’s common with GMC trucks and adding the shift kit fixes it for good. They gave me a lifetime for how ever long I own the truck. He said that is how sure he is of the fix.

  • NotnaBobsBurner@alien.topBEnglish
    1·
    11 months ago

    Everything is designed to fail these days, we have 2500 GMC work trucks that have had to have several replaced, 2017 - 2020s. Why else do they force you to get a crap-ass automatic? Simple… WAY more $$$ to fix/replace than a basic clutch.

  • badcoupe@alien.topBEnglish
    1·
    11 months ago

    Those fail weekly, we do minimum one a month at my shop on the full-size gm trucks and suvs.

  • keep_username@alien.topBEnglish
    1·
    11 months ago

    I have taken to offering a thermostat delete when doing a trans service on 6L80e. This prevents the trans from overheating, hopefully keeping the torque converter failure at bay.