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not engaging

  1. O/D flashing, no speedo, hard shifting now slips out of gear completely.

    99-03 7.3 Transmission Problems
    Thanks for the help in advance. My 2000 7.3 has 230k miles and 30k (3 years) on a rebuilt trans. The past 3 months the O/D light comes on after a few miles and randomly the speedo stays at 0 until I stop and turn off then back on. I drove almost 1000 miles in the past 2 weeks and I noted it...