4th gear

  1. 1500z71

    Lost 4th Gear; Code 28 and 58; 4L60E

    1993 K1500 5.7 Hey guys, looking for a little direction here, as I haven’t been able to find anything with my combination of issues. Last summer ‘21 my transmission overheated pulling a buddies big pontoon. Pulled over and let it cool, topped it off, ran fine again for a long time until now...
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