Re: [Chrysler300] 1960 Shift cable.
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Re: [Chrysler300] 1960 Shift cable.

I believe all transmissions have a vent that serves the same function as the vented caps on the power steering pump and the fuel tank.  The vent is located considerably above the design oil level in the case.  If there were not a vent the expansion of the oil as it warms would push it past even perfect seals and surfaces.  Conversely, a clogged vent will cause exactly that to happen.

If the seals and/or sealing surfaces for the Torque Converter are worn they will allow the fluid to return to the case and it will drain from the vent and somewhere on the upper case will be wet with fluid which eventually finds it way to your floor.

The cure is obviously good seals, non grooved sealing surfaces, and over boring and re bushing the pivot points which requires tear down and machining.  That may include the converter.

On Thu, Dec 22, 2016 at 2:03 PM, 'Rich Barber' c300@xxxxxxx [Chrysler300] <Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:

I must confess ignorance as to what, specifically, was done to the HD PowerFlite transmission in our ’55 C-300 to stop it from leaking.  It may have been a sleeve with an external seal.  I just kept throwing money at it until it stopped leaking.  I don’t think they leaked when new.  I do recall my tranny mechanic using the round end of a ball-peen hammer to create dimples around the bolt-holes in the pan.  Pounding from the inside out created small Belleville springs that added a little compression to the rim around the edge of the pan and underlying gasket. Over the years, repeated removal and replacement of the pan had dished the steel pan rim at the bolt holes slightly with resultant reduction of compression between the bolt holes.


I do recall a shared wisdom from my Fluids instructor at Iowa State who gave us the first law of hydraulics:  “Hydraulic systems leak!” 


Or, maybe Socrates had it right, “There is no solution, seek it lovingly.”


Merry Christmas from warm and sunny central California,


Rich Barber

Brentwood, CA


From: Charlie V [mailto:cv300g@xxxxxxxxx]
Sent: Thursday, December 22, 2016 4:49 AM
To: Rich Barber <c300@xxxxxxx>; 'Rich Barber' c300@xxxxxxx [Chrysler300] <>; 'Mick Kreszock' <kreszockcm@xxxxxxxxxxxx>; 'Listsaver 300 Club' <Chrysler300@xxxxxxxxxxxxxxx>
Subject: RE: [Chrysler300] 1960 Shift cable.


What internal repairs can be done to prevent the converter to leak down ?


On Thu, Dec 22, 2016 at 1:42 AM, 'Rich Barber' c300@xxxxxxx [Chrysler300]


Mick & all:


As I recall from my PowerFlite leakage problem, it could not be fixed until repairs were made internally to prevent the torque converter from draining down and flooding the system beyond what it was designed to hold. 


Just $0.02 (maybe less) worth.


Rich Barber

Brentwood, CA


From: Chrysler300@xxxxxxxxxxxxxxx [] On Behalf Of Mick Kreszock kreszockcm@xxxxxxxxxxxx [Chrysler300]
Sent: Wednesday, December 21, 2016 6:05 PM
To: Listsaver 300 Club <Chrysler300@xxxxxxxxxxxxxxx>
Subject: [Chrysler300] 1960 Shift cable.





Thanks for all the offers of parts and suggestions about the shirt cable.  After I read all the replies I've decided to get it on a lift and see if is just a really bad leak that can be fixed with the heat tube suggestion.


If it turns out that it needs a new cable I now have leads on several used and maybe a source for a new one.


Thanks again everyone.




Marshall Larson


Posted by: Marshall Larson <granitledge@xxxxxxxxx>

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