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  1. J

    Help: Duramax wont shift?!

    I changed the filter and fluid like 3 weeks ago, when it started this. We checked all wires and everythings hooked up as well. im stumped
  2. J

    Help: Duramax wont shift?!

    nothing comes up while checking codes.
  3. J

    Help: Duramax wont shift?!

    I have an 03 6.6 duramax. The other day I was driving and when I shifted from reverse to drive my truck hopped into drive pretty bad. I babied and drove the truck about 3 miles away, but it won’t shift out of 2nd gear and hits 4 grand while going 45mph. I shut the truck off for a few minutes and...
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