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A-466 cast iron transmission 1959 dodge
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dodge59
Posted 2023-05-21 9:56 AM (#629692)
Subject: A-466 cast iron transmission 1959 dodge



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Location: Milwaukee Wisconsin

anyone have a good working A466 cast iron transmission for a 59 dodge ?  or knows someone that is a rebuilder?  Unfornuately my will not move under a load in drive . I can idle it around but that is it.  Reverse woks fine .

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Powerflite
Posted 2023-05-21 10:42 AM (#629696 - in reply to #629692)
Subject: Re: A-466 cast iron transmission 1959 dodge



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Location: So. Cal		Rebuild it rather than trust your luck to another used transmission.
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56D500boy
Posted 2023-05-21 11:57 AM (#629698 - in reply to #629692)
Subject: RE: A-466 cast iron transmission 1959 dodge



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In the short term, I suggest that you down load the 1960 Dodge Service Manual and read through Chapter 21 on the torqueflite transmissions.

As per the chart in that Chapter, there are many things that could be causing your problem. Some of them simple (low on fluid, band needing adjustment, etc). Some of them requiring tear down (front pump failure, front clutch pack not working properly (e.g. worn clutch discs, etc))

If it was a clutch disc issue, they are available, e.g.:

"Genuine MoPar new-old-stock front clutch frictions for 1956-61 Chrysler Corp. cars and trucks with A-466 (cast iron) TorqueFlite 3-speed automatic transmission (NOT for Valiant or Lancer). Available in (3) different thicknesses: Standard (.060"-.063") and .073"-.076" or .087"-.090" oversized as required to build up the clutch pack to the correct clearance + + + + Specify thickness desired"

https://www.moparmall.com/MoPar-PN-1636260-1853774-1949196-Friction-...

Download the service manual from here:

https://mymopar.com/service-manuals/



Edited by 56D500boy 2023-05-21 12:13 PM




(59MoparTorquefliteServiceDiagnosticChart.jpg)



(59MoparTorquefliteExplodedPartsDiagram.jpg)



(59MoparTorquefliteFrontClutchDiscPNs.jpg)



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Attachments 59MoparTorquefliteServiceDiagnosticChart.jpg (149KB - 44 downloads)
Attachments 59MoparTorquefliteExplodedPartsDiagram.jpg (148KB - 45 downloads)
Attachments 59MoparTorquefliteFrontClutchDiscPNs.jpg (149KB - 54 downloads)
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dodge59
Posted 2023-05-21 1:45 PM (#629703 - in reply to #629692)
Subject: Re: A-466 cast iron transmission 1959 dodge



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Location: Milwaukee Wisconsin		I have the 58 and 59 supplement repair manuals already. Get most of the checks already both band adjustments are set correct kick down lever adjustment set correct change the oil 10 quarts just took out the screen now and looked at that it was fine but the bottom of the pan that all kinds of silver muck on the bottom which tells me it tranny is toast
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dodge59
Posted 2023-05-21 1:46 PM (#629704 - in reply to #629692)
Subject: Re: A-466 cast iron transmission 1959 dodge



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Posts: 1018
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Location: Milwaukee Wisconsin		Going to put the screen back on fill it back up with oil and do some pressure checks maybe bad pumps
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56D500boy
Posted 2023-05-21 3:01 PM (#629705 - in reply to #629703)
Subject: Re: A-466 cast iron transmission 1959 dodge



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dodge59 - 2023-05-21 10:45 AM but the bottom of the pan that all kinds of silver muck on the bottom which tells me it tranny is toast


It might be but I am (only) guessing that the silvery muck is actually clutch friction material and/or from the steel clutch discs, not planetary gear wear residue.

One of the four front clutch friction discs (example)



You might need to investigate further with the help of Fatsco Transmission Parts:

https://www.fatsco.net/_files/ugd/ffb404_9c2638892dfe4a98a60c4a5c27e...



Edited by 56D500boy 2023-05-21 3:04 PM




(FatscoCast Iron TorqueflitePartsDiagram.jpg)



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Attachments FatscoCast Iron TorqueflitePartsDiagram.jpg (147KB - 47 downloads)
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dodge59
Posted 2023-05-21 9:51 PM (#629720 - in reply to #629692)
Subject: Re: A-466 cast iron transmission 1959 dodge



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Location: Milwaukee Wisconsin		<p>here is what I found in bottom of trans pan. Silver Muck ! just fine silver ....no bits or pieces of metal grinding anywhere . filter looked clean .</p>

Edited by dodge59 2023-05-21 9:57 PM




(image000000 (13).jpg)



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dodge59
Posted 2023-05-21 9:54 PM (#629721 - in reply to #629692)
Subject: Re: A-466 cast iron transmission 1959 dodge



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Posts: 1018
1000
Location: Milwaukee Wisconsin		<p>something went bad !  also I did a front pump presssure test . was A little high 110 psi  at 12000 rpms in driver . book says 89-91  psi .   in  Drive with wheels in the air the trans  shifts fine thru all 3 gears forwad and reverse.</p>

Edited by dodge59 2023-05-21 10:00 PM
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dodge59
Posted 2023-05-21 10:02 PM (#629722 - in reply to #629705)
Subject: Re: A-466 cast iron transmission 1959 dodge



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Location: Milwaukee Wisconsin

might be just normal where of being that old . Worn out !

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56D500boy
Posted 2023-05-21 11:40 PM (#629727 - in reply to #629721)
Subject: Re: A-466 cast iron transmission 1959 dodge



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Location: Lower Mainland BC		.
Wheels in the air (no load) and you get all three gears suggests to me that the issue is the clutch pack(s). But that is only based on what I have gleaned from other sources, not actual experience. My 57 A-466 in my 56 Dodge is ticking along very nicely, thank you very much.

(When I had it rebuilt it got lots of new parts, including the clutch discs)

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dodge59
Posted 2023-05-22 2:15 PM (#629738 - in reply to #629692)
Subject: Re: A-466 cast iron transmission 1959 dodge



Elite Veteran

Posts: 1018
1000
Location: Milwaukee Wisconsin		Thanks !!! Yes ... evidently something wore out will all that silver sludge on the bottom of oil pan . could be clutch packs like you said.



(image000000 (13).jpg)



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Attachments image000000 (13).jpg (125KB - 50 downloads)
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