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Leaking pushbutton 727 #1453413
06/15/13 06:58 PM 06/15/13 06:58 PM
Joined: Mar 2005
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DragtimeDodge Offline OP
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My pushbutton 727 is leaking where the shifter cable enters the housing. I can see it weeping through the threads of the adjuster wheel. Have any of you had experience with fixing this type of leak? Thanks in advance.
Re: Leaking pushbutton 727 [Re: DragtimeDodge] #1453414
06/15/13 07:03 PM 06/15/13 07:03 PM
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okla.
sam64 Offline
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there is an oring on it.pan has to removed to trip the clip that the cable engages the valve body.
Re: Leaking pushbutton 727 [Re: sam64] #1453415
06/15/13 07:10 PM 06/15/13 07:10 PM
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Hi Sam, thanks for the help. Is the o-ring on the tip of the cable that goes into the barrel, or is it someplace else? I don't have the pan down yet so I'm trying to visualize it. I'll probably see it right away when I drop the pan.

Bob
Re: Leaking pushbutton 727 [Re: DragtimeDodge] #1453416
06/15/13 11:39 PM 06/15/13 11:39 PM
Joined: Dec 2007
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Great Neck,LI,new york
hemi-itis Offline
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HEMI-ITIS has no cure.
My condition is fully BLOWN!!
Re: Leaking pushbutton 727 [Re: hemi-itis] #1453417
06/16/13 05:26 PM 06/16/13 05:26 PM
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DragtimeDodge Offline OP
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Thanks Al, I see it now.

Bob
Re: Leaking pushbutton 727 [Re: DragtimeDodge] #1453418
06/16/13 06:37 PM 06/16/13 06:37 PM
Joined: Jan 2003
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Rio Linda, CA
John_Kunkel Offline
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Here's a closeup of the cable housing end, the O ring dimensions are .500" ID X .100" thick.

7745167-Cablends.jpg (59 downloads)
Re: Leaking pushbutton 727 [Re: John_Kunkel] #1453419
06/16/13 07:55 PM 06/16/13 07:55 PM
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DragtimeDodge Offline OP
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Excellent pic and info, John. Thanks for posting!

Best regards,
Bob
Re: Leaking pushbutton 727 [Re: DragtimeDodge] #1453420
06/16/13 11:47 PM 06/16/13 11:47 PM
Joined: Mar 2006
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MI, usa
dvw Offline
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They also leak right through the cable. ES-3 shrink tube that has glue in it seals it for good. I have my first leak free push button ever. The park cable is the same way. If you can't find some, PM me I've got it.
Doug
Re: Leaking pushbutton 727 [Re: dvw] #1453421
06/17/13 12:25 AM 06/17/13 12:25 AM
Joined: Dec 2007
Posts: 12,589
Great Neck,LI,new york
hemi-itis Offline
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Last edited by hemi-itis; 06/17/13 12:27 AM.
HEMI-ITIS has no cure.
My condition is fully BLOWN!!
Re: Leaking pushbutton 727 [Re: hemi-itis] #1453422
06/17/13 07:19 AM 06/17/13 07:19 AM
Joined: Mar 2006
Posts: 9,864
MI, usa
dvw Offline
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Yup. It's available in varying sizes. I believe I used MS-3 or -4 I'll check what I have.
Doug
Re: Leaking pushbutton 727 [Re: sam64] #1453423
06/17/13 10:44 AM 06/17/13 10:44 AM
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Riverside, Ca
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G_bob Offline
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Quote:

there is an oring on it.pan has to removed to trip the clip that the cable engages the valve body.



The pan doesn't have to be removed, the clip can be accessed with a flat blade screwdriver through the hole the cable goes in. I can post the instructions from the factory service manual if you need them, just don't remember which side the clip is on off the top of my head, been a couple years since I worked on mine.
Re: Leaking pushbutton 727 [Re: G_bob] #1453424
06/17/13 03:06 PM 06/17/13 03:06 PM
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DragtimeDodge Offline OP
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Hi G Bob,

I typically pull the pan whenever I disconnect the shift cable in case I have to readjust the cable. That way you can watch the valve body as the buttons are pushed to know if you've got it adjusted dead-on.

Bob
Re: Leaking pushbutton 727 [Re: DragtimeDodge] #1453425
06/18/13 01:01 AM 06/18/13 01:01 AM
Joined: Dec 2007
Posts: 12,589
Great Neck,LI,new york
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Quote:

Hi G Bob,

I typically pull the pan whenever I disconnect the shift cable in case I have to readjust the cable. That way you can watch the valve body as the buttons are pushed to know if you've got it adjusted dead-on.

Bob




7746622-10.27.12007.jpg (30 downloads)
HEMI-ITIS has no cure.
My condition is fully BLOWN!!
Re: Leaking pushbutton 727 [Re: hemi-itis] #1453426
06/18/13 08:24 PM 06/18/13 08:24 PM
Joined: Mar 2006
Posts: 9,864
MI, usa
dvw Offline
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My son came up with an easy way on his 62. Disconnect the cable at the shifter. M Put the shifter in reverse, then pull the cable into reverse and see if it slips on the pin. Then depress the bottom button, be it 1st or 3rd according to your valve body. If it doesn't slip on the pin adjust at the trans as necessary, no mess.
Re: Leaking pushbutton 727 [Re: hemi-itis] #1453427
06/19/13 01:46 AM 06/19/13 01:46 AM
Joined: Jan 2003
Posts: 3,616
Riverside, Ca
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G_bob Offline
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Quote:

Quote:

Hi G Bob,

I typically pull the pan whenever I disconnect the shift cable in case I have to readjust the cable. That way you can watch the valve body as the buttons are pushed to know if you've got it adjusted dead-on.

Bob







I was just saying you don't HAVE to drop the pan to access the clip to release the cable. Which was stated by another poster. I've only done it once, when I put my 64 together (using a 65 slip-yoke trans). So I'm no authority, but I followed the instructions in the FSM and got it installed and adjusted with no issues.
Re: Leaking pushbutton 727 [Re: G_bob] #1453428
06/19/13 10:30 AM 06/19/13 10:30 AM
Joined: Mar 2005
Posts: 230
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DragtimeDodge Offline OP
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Thanks everyone. The o-ring did the trick. I also used a small amount of rubber gasket adhesive in the channel where the o-ring sits. I filled the trans last night and let it sit. Checked it this morning, no more leak.

Good ol' Moparts to the rescue!

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