1. wes beem

    wes beem Well-Known Member

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    we have a 727 behind our 360 magnum, car has never been driven, motor/trans are a fresh install. with the car jacked up in the past we were able to shift the transmission by simply pushing the lever on the transmission. We've run the engine a few times with the transmission in park/neutral to check for normal operation of the motor. the transmission did not have any fluid in it due to the fact we hadnt ran the trans cooler lines nor were we ready to hook up the B&M shifter bracket ext. While installing the driveshaft and u joint the other day we tried to shift the transmission again and the lever is completely stuck and we cant get it to move. is a transmission fine without fluid as long as its in park or neautral and not hooked up to a driveshaft or anything, what are the chances this tranny is now F$*KED?
     
    Last edited: Apr 15, 2019 at 7:56 PM
  2. my5thmopar

    my5thmopar Life Long MOPAR Owner FABO Gold Member

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    The smart guys will chime in but, if you ran it without fluid....it is toast. Time to pull and rebuild. Even in P or N the pump and internals etc. are spinning. Next time and for others, at least put fluid and a hose between the in/out lines. You have nothing to lose now by, putting fluid in it but, my money is on you're going to rebuild it again.
     
  3. tonysrt

    tonysrt FABO Gold Member FABO Gold Member

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    I just had my 727 rebuilt and the builder told me put a 1/2 quart in the converter and 3 Quarts in the tranny. When you run it start filling it up with at least 6 more Qts. and check when hot. You're running the front pump dry on the trans and who knows what else might be messed up. I hope it was minimal damage but you won't know till it comes apart.
     
  4. 67Dart273

    67Dart273 Well-Known Member

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    You didn't do it any good. Depending on what the rebuilder did, or if it had had fluid in it, there will be "some" residual lubrication. But an auto trans needs the bearings lubed, same as an engine. Just how long did you run the engine?
     
  5. wes beem

    wes beem Well-Known Member

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    motor was idling for about 15 minutes
     
  6. Murray

    Murray FABO Gold Member FABO Gold Member

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    If the motor is running- the trans needs fluid.
     
  7. MrJLR

    MrJLR Built, not bought FABO Gold Member

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    I don't think you did it ANY favors.....
     
  8. tonysrt

    tonysrt FABO Gold Member FABO Gold Member

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    Consensus is you may have a serious problem, especially running it that long.
     
  9. lkopaska

    lkopaska FABO Gold Member FABO Gold Member

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    Pull it now trans is toast!!!
    Pump will be junk and convertor also. all forward frictions will be smoked, possibly front planetary also. Lon;
     
  10. CudaFactHackJob

    CudaFactHackJob Well-Known Member

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    My rule is, "If you aren't positive that the trans is to the full mark; SHUT IT OFF". You can check the level with the motor not running if it was recently shut off say five minutes. Mopar shut off from neutral.
     
  11. wes beem

    wes beem Well-Known Member

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    Consensus is its fucked....so another question, I had a brand new reverse manual valve body in it, is this also ruined?
     
  12. Murray

    Murray FABO Gold Member FABO Gold Member

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    Valve body is probably OK, but any rotating part may be damaged.
     
    • Agree Agree x 1
    • j par

      j par Well-hung Member

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      :BangHead::popcorn:
       
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