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delayed shift

  1. Engine & Drivetrain
    Gooooood morning, Acadians!!!! 2016 Denali, AWD, 97k mi, NO codes. I scoured the forum and all seems to apply to pre-2013 models. Symptoms: delayed shift began during 3-4 shift, now has progressed to 2-3 shift. Engine temp climbs above median mark when car is in D and stopped. Radiator replaced...
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