Fluid out dipstick while cruising on hiway only?? Vent ok.

Discussion in 'The "Juice Box"' started by real82it, Sep 8, 2017.

  1. real82it

    real82it Silver Level contributor

    My t400 trans spits fluid out the dip stick tube only while cruising on the hiway at 2000+ higher rpm. Around town stop and go driving - no leak. I have confirmed the vent is not restricted and open. It does not leak out of vent tube, only dipstick tube. Oil level is fine....actually a pint low.

    What do you think the issue is? pump halves not flat or distorted?
    fwd drum checkball leaking?
    sealing ring leakage?
    Other?
     
  2. real82it

    real82it Silver Level contributor

    Well, I checked the lines for blockage...they were clear. Only other possibility is something internal. I pulled the trans today. We will see what the rebuild shop says.
     

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