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KGP AT4_2019

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  1. KGP AT4_2019
    I have the 6.3Ltr and Allison 10 Speed. was making a wining turbo sound and than jerked and jumped when put in reverse than would not leave 1st or 2ed gear got home, 1 mile away at 5mph with 2k RMP. dealer says we are waiting on GM for a replacement 2 weeks now no word?
  2. KGP AT4_2019
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  3. KGP AT4_2019
    WOW I DAY old. I have 9800 miles on MY AT4 delivered 5 19 2019 and I am now waiting 2 weeks on a new Transmission. What is going on at GM?? I had 2 Chev. Tahoes each with 180K and never a concern. How long did it take for the repair and how is it running now?
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