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Occasionally leaking tranny fluid out of front of C4

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  • Occasionally leaking tranny fluid out of front of C4

    The past couple times I have taken the '65 (200 w/ a C4) out on occasion it will start really leaking tranny fluid out of the front as I am driving (a fairly steady stream as you can see where I have been). What is odd is it doesn't do it all the time. Last time I drove on the freeway and then parked it with no issue. Fired her back up and drove in town and then it started leaking. To me it sounds like a front seal but has anyone heard of one doing it occasionally? Anything else it could potentially be? Worn pump bushing? Before I pull the transmission want to make sure there isn't something else I should be looking at (hoses are dry as is the vacuum modulator). Thanks!

    Tim
    Tim

    M&M Member #35
    1965 Mustang coupe, 200 I6, Holley 2300, Clifford header, true duals w/ 26" Smithys
    1988 Mustang GT AOD vert

    "A veteran - whether active duty, retired, National Guard or Reserve - is someone who at one point in his life wrote a blank check made payable to the United States of America for an amount of 'up to and including my life.' That is honor. There are far too many people in this country who don't understand it." -- Author Unknown

  • #2
    No matter what it is you will have to pull the transmission, a worn front bushing would take out the front seal, so either way you have to get in there. It could be the front pump gasket but thatís not likely, and you have to pull the transmission anyway to get at it. C4s are the easiest ones to handle and work on, so you can take heart there.

    Signed, the Shell answer man.
    '70 Mach 1 - '72 Sprint - '94 F-150 XL -'97 E-150 - '05 Sable LS
    My Mach's restoration progress
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    • #3
      Do you have all metal cooling lines, or do you have some rubber in there? My C6 in my motor home would do that, fine one time, leak the next, turned out to be a bad section of rubber hose. Had a pin hole that would close up, then re open. Don't know why it would close up and open later.
      ----1999 F150 XLT Lariat Super Cab 4X4 5.4----
      -----1947 Lincoln Zephyr Coupe 5.0-----
      -----2005 Expedition Eddie Bauer 5.4----
      " Sometimes you fix the car, sometimes the car fixes you" Steve L.

      "Do not let anyone tell you it cannot be done. No challenge can match the heart and fight and spirit of America". President Donald J. Trump

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      • #4
        Itís very possible you have a front seal leak, Iím sure youíve checked fluid level, but remember atf will expand when itís hot. Try running the trans a pint low and recheck. Another thought would be to check the converter drain plug for leaks.

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