Re: 727 Transmission leaks - HELP

["Paul L. http://1962to1965mopar.ornocar.org/ml-lennemann63.html" <pjlenn@xxxxxxxxx>]

There are a number of places where it can leak.  All of the cables, shift, speedo, & park have an 'O' ring that seal them.  There is a special seal for the kickdown.  Also the front pump seal and rear seal.    All of the 'O' rings and the kickdown seal can be replaced w/ the transmission in the car.  Maybe the rear seal too.  For the front pump seal you have to pull the transmission and make sure that the nose of the torque converter isn't worn so that it won't seal.

Paul L.

On Wednesday, July 17, 2013 11:49:48 AM UTC-5, Dennis C. wrote:

Help!

I have a 64 SF with a 318 and 727 automatic transmission.

The transmission leaks, not just a little but REALLY leaks. I have read posts in the past but didn't save them on what can be done with these to reduce or stop the leaking.

I am aware that the torque converter will leak back, increase the level in the transmission and can make matters worse. I also found reference to a pin that can leak that is for the low-reverse servo if I recall correctly. Apparently there is also seal between the torque converter and pump that is important to change.

I am looking for any suggestions before I order parts and have it rebuilt although it seems to shift just fine if it is out it would be a great time to freshen it up. It would be a good time to put in a streetable shift kit – any recommendations?

I totally gave up driving the car several years ago due to the leaks. It would be great to get the transmission done and start getting it out again.

Thanks

Dennis C.

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