'96 Mopar A604 P0300, Won't move

Discussion in 'Transmission Forum' started by Mealticket, Oct 19, 2017.

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  1. bp042665

    bp042665 hunting nut

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    check for power on the transmission relay and that its working
     
  2. Mealticket

    Mealticket Newbie

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    Good call by you...I don't get 12V at pin 4 of the solenoid even with engine running, and tracing it back I don't get it at the relay or at pin 15 of the TCM. This might also explain why there is no CEL/tranny codes. I wonder if the TCM went first, kid was driving around in 1st and didn't know it, blew up the rear planet, etc.
     
    Last edited: Nov 8, 2017
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  3. bp042665

    bp042665 hunting nut

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    glad i could help this is what i do i own a transmission shop
     
  4. Mealticket

    Mealticket Newbie

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    Hey could a slightly stipped front planet cause a whine in park and neutral only? If not, what might? Thanks,

    D.
     
  5. bp042665

    bp042665 hunting nut

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    the wining noise could be a loose pump gear -converter -bypass valve stuck did you clean the bypass valve and air test it when apart ?
     
  6. Mealticket

    Mealticket Newbie

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    This tranny made the same noise when it had a different pump and converter. This is a Frankenstein build...I put a new bypass valve in it. I have no way to air test anything,

    MT
     
  7. bp042665

    bp042665 hunting nut

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    im not sure where to go because i cant hear the noise could be in the converter
     

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